CN1933012B

CN1933012B - Non-volatile storage device

Info

Publication number: CN1933012B
Application number: CN2006101017058A
Authority: CN
Inventors: 西泽裕孝; 石原晴次; 汤川洋介; 白石敦
Original assignee: Hitachi Ltd; Hitachi ULSI Systems Co Ltd
Current assignee: Renesas Electronics Corp
Priority date: 2000-04-28
Filing date: 2000-04-28
Publication date: 2010-04-21
Anticipated expiration: 2020-04-28
Also published as: CN1932857A; CN100478987C; CN1933012A; CN101076161B; CN101076161A

Abstract

The invention is concerned with the multi function IC card (MFC) with the compatibility of the multi-media card and SD card, the compatibility is: the connecting ends (#1 to #13) configures to two lines on the card base board (-) by the flexure way, and realizes the multi function setting, displays the storage card unit (-) and the SIM card unit (-) connecting and setting with the prearrange end of the connecting end (#1 to #13) respectively, the IC card can achieve the multi function equipment with different security levels. The inserting opening may use more simple structure because uses the multi-row layout corresponding with the flexure way, the salient point quantity of the inserting end can change combining with the flexure part, and the whole of the inserting opening end configures paralleled in one line.

Description

Non-volatile memory device

The application is to be April 28, application number in 2000 the dividing an application for the application for a patent for invention of " integrated circuit card " that be 200510078595.3 denominations of invention the applying date.

Technical field

The present invention relates to the expansion of the maintenance of the compatibility in the IC-card and function thereof, and relate to a kind of, such as, can under the condition that keeps with the multimedia card compatibility, effectively be applied to IC-card and be used for carrying out multiple bank (multibank) or multi-functional technology.

Background technology

Consider between cell phone and digital network equipment or similar devices and carry out information transmission, proposed a kind of storage card that dimensional weight reduces and interface is simplified of similar multimedia card.As, described in " interface " (in Dec, 1999 distribution) of publishing such as, CQ publishing company, multimedia card has 7 splicing ears as the external interface terminal and adopt serial ports.Compare with the ata interface that PC card or hard disk adopt, this can reduce the load of main system, and even also can obtain for fairly simple system.In addition, same list of references is also mentioned, and has proposed the storage card of a kind of SD card as the top compatibility of multimedia card.

The inventor once discussed the storage system IC-card, as multimedia card or similar card, the function expansion.Like this, the inventor has declared this invention before this: can keep the compatibility to the standardized terminal arrangement of multimedia card or the like when extended terminal is provided, thereby can make function be expanded into possibility, enroll the number (Japanese Laid-Open Patent Application No.2000-18030) that increases data bit.In addition, the inventor once discussed the multiple bank that is intended to realize to use this kind extended terminal or multi-functional.Among GSM (the special seminar of the mobile communication) mobile communication system of SIM (subscriber identification module) card that uses IC-card etc., such as, SIM card has a single-chip microcomputer or analog, but storing subscriber information and account information or the like, these informational needs are used for carrying out user's affirmation and security management and realization communication protocol, and set up Nonvolatile memory card, as flash memory.When attempting storage card, as multimedia card, when being applied to the cell phone of this kind gsm mobile communication system, except the SIM card inserting mouth, storage card also needs one to insert mouth.Like this, the inventor finds, exists with the space factor room for improvement.In addition, the inventor finds, the difference of safe level come across in the canned data between storage card and the SIM card inevitably and therefore safe level be allowed to be inevitable as multifunctional different.

Summary of the invention

An object of the present invention is to provide a kind of IC-card, can carry out the compatibility that keeps preassigned that terminal is arranged as multiple bank or multi-functional and so on expanded function simultaneously.

Another object of the present invention provides a kind ofly can expand the different multi-functional IC-card of safe level.

Above-mentioned purpose of the present invention, other purposes and new feature can obtain understanding from description of the invention and accompanying drawing.

(1) a kind of IC-card according to the present invention is considered compatibility and function expansion thereof.About the compatibility of IC-card, upward compatibility and downward compatibility can keep.Upward compatibility, such as, be that downward IC-card can the insertion mouth of IC-card uses by inserting upwards.Downward compatibility, such as, be that IC-card can use by the insertion mouth that inserts downward IC-card.IC-card has first functional block and second functional block, and the formation of each all comprises SIC (semiconductor integrated circuit) and has wherein a plurality of splicing ears is the configurations that expose.

With regard to the compatibility of IC-card, a plurality of splicing ears are the tortuous multirows in front and back between the row that are configured as in adjacency observing from the IC-card direction of insertion.If take to be different from the expression of its tortuous configuration, then can be described as a plurality of splicing ears and have one and observe the arrangements of two row that form before and after being from the IC-card direction of insertion, and the terminal in the middle of splicing ear that is arranged in first row arrangement and of terminal area is arranged in secondary series splicing ear in the middle of terminal to displacement mutually on the direction that is arranged in row of terminal area.If tortuous layout is adopted another different expression, then can be described as a plurality of splicing ears and have one and observe the arrangements of two row that form before and after being from the IC-card direction of insertion, and the row of splicing ear that are arranged in first row to layout and the row of splicing ear that are arranged in secondary series to layout in upwards displacement mutually of row.

Because the corresponding multiple row layout of canonical form that the tortuous mode in the arrangement of employing and splicing ear forms can adopt simple relatively structure in card inserting mouth, wherein its a large amount of mouth terminals that insert replace configured in parallel, and the while, its teat quantity changed.The splicing ear of IC-card is arranged and is adopted the splicing ear that is exclusively used in IC-card to arrange as it is downwards.On the other hand, arrange if the IC-card special function that will make progress is given another tortuous splicing ear, then this kind can use also by the feasible upwards IC-card of the insertion mouth that is installed on downward IC-card and can realize downward compatibility.

With regard to the expanded function of IC-card, the splicing ear of IC-card comprises first splicing ear that is connected to and is exclusively used in first functional block, be connected to and be exclusively used in second splicing ear of second functional block, and the 3rd splicing ear of sharing the shared operation power supply of first functional block and second functional block.By the data terminal beyond the power supply or other are exclusively used in first functional block and second functional block respectively, can promote the realization of upward compatibility and downward compatibility.

When attempt realizes three generations's IC-card or the above IC-card of three classes compatible, be to have supposed following situation, the splicing ear of first IC-card is arranged by adopting as it is with the corresponding splicing ear row of first row, the special function of adding second IC-card simultaneously to is given and the corresponding splicing ear row of another tortuous secondary series, and the special function of adding the 3rd IC-card to give with the corresponding dedicated terminals row of first row and with the corresponding splicing ear row of secondary series.At this moment, consider the upward compatibility between second IC-card and the 3rd IC-card and the realization of downward compatibility.For this purpose, the structure of adopting is that the splicing ear on the end that extends on the column direction of the wherein splicing ear in being disposed at secondary series extends to splicing ear and presses close to be disposed in first row and be positioned at the position of splicing ear of an end that extends at column direction of its splicing ear at column direction, and the splicing ear on the other end that extends on the column direction of the splicing ear in being disposed at secondary series extends to splicing ear and presses close to be disposed in first row and be positioned at the position of splicing ear of an end that extends at column direction of its splicing ear at column direction.In view of the above, this first to the 3rd IC-card even the insertion mouth and the operable compatibility that can be inserted into other IC-cards mutually can realize at an easy rate.

(2) expansion of the function of this IC-card is intended to, such as, the multiple bank storer.At this moment, first functional block is the first storage card unit, comprise electricity and rewrite first nonvolatile memory, with one first controller, first controller is according to carrying out the access control of first nonvolatile memory from the instruction of first splicing ear and carrying out by the control of first splicing ear with extraneous interface.Second functional block is the second storage card unit, comprise electricity and rewrite second nonvolatile memory, with one second controller, second controller is according to carrying out the access control of second nonvolatile memory from the instruction of second splicing ear and carrying out by the control of second splicing ear with extraneous interface.

If place multimedia card under this kind environment or other to obtain considering, although the special function of each splicing ear is random, then first splicing ear comprises a clock terminal and data terminal, second splicing ear comprises a clock terminal and data terminal, and the 3rd splicing ear comprises supply voltage power supply terminal and ground voltage terminal.

The first storage card unit and the second storage card unit are configured to a parallel work-flow multiple bank storage unit.

In order to increase the safety of data that is stored in each nonvolatile memory, first controller can have function of keeping secret, can be to writing the data encryption in first nonvolatile memory and carrying out other encryptions to the data decryption read from first nonvolatile memory or to data, and second controller can have function of keeping secret, can be to writing the data encryption in second nonvolatile memory and carrying out other encryptions to the data decryption read from second nonvolatile memory or to data.

(3) expansion of the function of this IC-card is intended to multi-functional.At this moment, first functional block is first data processing unit, comprise first nonvolatile memory and one first controller, first controller is carried out the access control of first nonvolatile memory and is carried out by the control of first splicing ear with extraneous interface.Second functional block is second data processing unit, comprises second nonvolatile memory and one second controller, and second controller is carried out the access control of second nonvolatile memory and carried out by the control of second splicing ear with extraneous interface.First data processing unit and second data processing unit have respectively and are used for the zone of storing secret security code separately.

Like this, an IC-card just can be realized the multifunctional equipment that safe level is different.

First data processing unit even can secret identification code be write the secret identification code memory block in the nonvolatile memory production phase.Second data processing unit even can secret identification code be write the secret identification code memory block in the IC-card production phase.Like this, just can set secret identification code by keeping secret necessary method or step according to the difference of safe level.Such as, set the storage card unit that becomes a conventional data storage application when first data processing unit, and second data processing unit is set when becoming microcomputer SIM card unit, then the security of the second data processing unit processing/account executive information is compared with first data processing unit and will be kept strict inevitably, thereby can fully satisfy this kind requirement.

Even ought set the storage card unit that becomes a conventional data storage application by first data processing unit; first controller also preferably adopt can to write in first nonvolatile memory data encryption and to data decryption of reading from first nonvolatile memory or the function of keeping secret that data are carried out other encryptions, purpose is the validity that strengthens copyright protection of being stored in the data in the storage card unit or the like.

When storage card unit and SIM card unit or the like are used as multifunctional equipment, such as, first splicing ear comprises clock terminal, long numeric data terminal and 1 order of the bit terminal, second splicing ear comprises clock terminal, data terminal and reseting terminal, and the 3rd splicing ear comprises supply voltage power supply terminal and ground voltage power supply terminal.

(4) when the splicing ear of supply voltage power supply be disposed at the corresponding splicing ear row of first row of observing from the IC-card direction of insertion the time, be listed in the corresponding splicing ear of secondary series and form in abutting connection with the position of supply voltage power supply splicing ear and have terminal to terminal area.If with other splicing ears of supply voltage power supply terminal adjacency be disposed at the corresponding splicing ear row of the secondary series of winding form in, just might be to insert mouthful in IC-card inserts the process of card inserting mouth, to insert with the terminal of the corresponding card inserting mouth of other splicing ear will both contact the power supply splicing ear of powering before mouthful contacting other splicing ears and also contact other splicing ears that are positioned at other splicing ear fronts.If power supply or power supply insert a mouthful terminal and contact with the supply voltage power supply terminal under this state, with regard to worrying power supply to power supply short circuit.If adopt to guarantee the structure of terminal to terminal area, then can adopt increase with the corresponding splicing ear row of first and second row between distance and the device of the width of each splicing ear of shortening.

According to above-mentioned requirements, the invention provides following four kinds of IC-cards.

A kind of IC-card, it is characterized in that it being IC-card with splicing ear of first functional block that constitutes by SIC (semiconductor integrated circuit) and second functional block and a plurality of exposures, described a plurality of splicing ear has arrangements of observing two row that are front and back formation from the IC-card direction of insertion, and arrangement between the terminal of the splicing ear in first row and the row that are arranged between the terminal of the splicing ear in secondary series upwards are shifted mutually, described splicing ear comprises first splicing ear that is connected to and is exclusively used in first functional block, be connected to and be exclusively used in second splicing ear of second functional block, and the 3rd splicing ear of sharing the shared operation power supply of first functional block and second functional block, splicing ear on the end that extends on the column direction of the splicing ear in being disposed at described secondary series extends to described splicing ear to be pressed close to be disposed in described first row and is positioned at the position of splicing ear of an end that extends at column direction of its splicing ear at column direction, and the splicing ear on the other end that extends on the column direction of the splicing ear in being disposed at described secondary series extends to described splicing ear and presses close to be disposed in described first row and be positioned at the position of splicing ear of the other end that extends at column direction of its splicing ear at column direction.

A kind of IC-card, it is characterized in that it being splicing ear with first processing unit and second processing unit and a plurality of exposures, wherein said a plurality of splicing ear comprises first splicing ear that is connected to and is exclusively used in described first processing unit, be connected to and be exclusively used in second splicing ear of described second processing unit, and the 3rd splicing ear of sharing the shared operation power supply of described first processing unit and described second processing unit, wherein said first processing unit is carried out the access control of first nonvolatile memory and is carried out by the control of described first splicing ear with the interface in the external world, wherein said second processing unit is carried out the access control of second nonvolatile memory and is carried out by the control of described second splicing ear with the interface in the external world, wherein said first processing unit uses first secret identification code of storing in a zone of described first nonvolatile memory, and wherein said second processing unit uses second secret identification code of storing in a zone of described second nonvolatile memory.

A kind of IC-card, it is characterized in that it being to have first functional block that constitutes by SIC (semiconductor integrated circuit) and the splicing ear of second functional block and a plurality of exposures, described a plurality of splicing ear has arrangements of observing two row that are front and back formation from the IC-card direction of insertion, and arrange and be arranged in upwards displacement mutually of row at the column direction of the terminal of the splicing ear that is arranged in secondary series at the column direction of the splicing ear that is arranged in first row, described splicing ear comprises first splicing ear that is connected to and is exclusively used in described first functional block, be connected to and be exclusively used in second splicing ear of described second functional block, and the 3rd splicing ear of sharing the shared operation power supply of described first functional block and second functional block, described the 3rd splicing ear comprises the splicing ear that is positioned at first row and is used for supply voltage power supply, and provide and the corresponding splicing ear of secondary series so as and power supply power supply splicing ear adjoining position have terminal to the zone between terminal.

A kind of IC-card, it is characterized in that it being to have first functional block that constitutes by SIC (semiconductor integrated circuit) and the splicing ear of second functional block and a plurality of exposures, wherein said first functional block is carried out the access control to nonvolatile memory, wherein said second functional block is carried out the security control to enciphered data, and described splicing ear comprises first splicing ear that is connected to and is exclusively used in described first functional block, be connected to and be exclusively used in second splicing ear of described second functional block, and the 3rd splicing ear that described first functional block is provided the operation power supply.

Description of drawings

Fig. 1 illustrates one to have with the illustrated example figure of the type of attachment in the middle of splicing ear and the circuit unit as the configuration of main basic multi-functional IC-card according to of the present invention.

Fig. 2 is the illustrated example figure of tabulation that the splicing ear function of multi-functional IC-card is shown.

Fig. 3 is the planimetric map of virtual condition that the circuit installation surface of multi-functional IC-card is shown.

Fig. 4 is the rear view of virtual condition that the circuit installation surface of multi-functional IC-card is shown.

Fig. 5 illustrates the skeleton view of mobile phone appearance.

Fig. 6 illustrates the planimetric map that multi-functional IC-card is installed on the state in the card inserting mouth.

Fig. 7 illustrates the planimetric map that multi-functional IC-card is installed on the state in the card inserting mouth that multimedia card uses.

Fig. 8 is the functional block diagram of storage card unit.

Fig. 9 is the functional block diagram of SIM card unit.

Figure 10 is the functional block diagram that can use the mobile phone of multi-functional IC-card.

Figure 11 illustrates second to have with the illustrated example figure of the type of attachment in the middle of splicing ear and the circuit unit as the configuration of main basic multiple bank storage card according to of the present invention.

Figure 12 is the illustrated example figure of tabulation that the splicing ear function of the multi-functional IC-card among Figure 11 is shown.

Figure 13 illustrates the explanation diagrammatic sketch of power supply to the comparative example of the splicing ear arrangement of power supply short circuit takes place.

Embodiment

＜multi-functional IC-card 〉

Be shown in the multi-functional IC-card MFC of Fig. 1 and multimedia card, SD card or the like compatible part and be that the splicing ear 2 (#1 to #13) of card substrate 1 is configured as two row of winding form and the multifunctional equipments that are achieved as follows, promptly storage card unit 3 is respectively only to be mounted for to be connected with the predetermined terminal of splicing ear 2 (#1 to #13) with SIM card unit 4.Label 5 expression connects leads, illustrates to be used for storage card unit 3 and SIM card unit 4 are connected to the general symbol(s) of the line figure, welding lead or the like of splicing ear 2.

Suppose that multi-functional IC-card MFC can be used for being installed on the mobile phone herein.Storage card unit 3 is configured as data-storage applications, and it has a nonvolatile memory, as electric erasing flash memory (its details is stated as follows) and a controller, and telephone book data, melody data of entering or the like is stored in wherein.The formation of SIM card unit 4 comprises a microcomputer that has onboard flash memory, is used for storing subscriber information and account information, and these information confirm for the user of the mobile phone of GSM etc. and user management is essential.

Seemingly be directly connected to storage card unit 3 and SIM card unit 4 though be shown in the splicing ear 2 of the #1 to #13 of Fig. 1, in fact the splicing ear 2 of #1 to #13 is positioned at the back side (terminal surface) of card substrate 1, the connection pads that is connected to its existing splicing ear by through hole or line pattern is the surface (installation surface) that is disposed at card substrate, and storage card unit 3 is connected with these connection pads with SIM card unit 4.

Multi-functional IC-card MFC is based on the size of multimedia card and meet following standard: its thickness is 1.4mm, and planar dimension is 24mm * 32mm.The splicing ear 2 that the card substrate 1 of multi-functional IC-card is configured as #1 to #13 is by resin substrate, as glass epoxy resin etc., on the terminal surfaces of the substrate of making on the plug-in card direction (on its longitudinal direction) observe configuration before and after two row adjacent to each other.

The splicing ear 2 of #1, #2, #5 to #8 and #13 is connected to storage card unit 3, and #9, #11 and #12 are connected to SIM card unit 4, and the splicing ear 2 of power supply #3 that is used for powering and #4 be connected to storage card unit 3 and SIM card unit 4 both.

The splicing ear 2 of #1 to #7 has layout and the function based on the multimedia card standard respectively.General application of multimedia mode card of multimedia card and SPI (serial peripheral interface).The selection of operational mode is according to the state decision of predetermined terminal of when energising.The terminal function of multimedia card is shown in the row of 7 pins (1) among Fig. 2.Multimedia card pattern and SPI mode difference point are shown in the bracket.In the multimedia card pattern, #1 is as keeping terminal NC (open a way or be fixed in logical value " 1 "), #2 is as command terminals CMD (fill order input and and answer signal output), #3 and #6 are used separately as circuit ground voltage (ground connection) terminal Vss1 and Vss2, #4 is as supply voltage power supply terminal Vdd, #5 is as clock input terminal CLK, and #7 is as data input/output terminal Data.In SPI (serial peripheral interface) pattern, #1 selects terminal CS as chip, #2 is as the sub-Din of data input pin (being used for from main equipment to card input data and order), #3 and #6 are used separately as circuit ground voltage (ground connection) terminal Vss1 and Vss2, #4 is as supply voltage power supply terminal Vdd, #5 is as clock input terminal CLK, and #7 is as the sub-Dout of data output end (carry out and snap into the data of main equipment and the output of state from storage).The multimedia card pattern is the operational mode that is suitable for using simultaneously the system of a plurality of multimedia cards.In order to discern corresponding multimedia card, adopt with the multimedia card initial order and multimedia card is set card identification id (relative address) by not shown main equipment.The SPI pattern is suitable in the system of simple cheap most.The selection of multimedia card is carried out according to the chip select signal that offers the #1 splicing ear from main equipment.In any operational mode, the command execution that the controller of storage card unit 3 response main equipment provides to the access control of storage chip and to the control of the interface of main equipment.

The splicing ear 2 of #8 to #13 is as the extended terminal to multimedia card.The splicing ear 2 of #1 to #7 constitutes arranging with the corresponding splicing ear of first row of relative card substrate 1, and the additional splicing ear 2 of #8 to #13 constitutes and the corresponding splicing ear arrangement of second row, and this journey is positioned at the corresponding splicing ear of first row arranges the position of leaving.The size of the splicing ear 2 of #9 to #12 is identical with other splicing ears 2.The splicing ear 2 of #13 places first row and observes the position that an end of arranging at splicing ear extends to thoroughly close #7 from its orientation.Be positioned at first row with the corresponding splicing ear 2 of terminal #8 and observe to extend to partly and overlap and adjoining position with the #1 splicing ear that splicing ear is arranged from its orientation.Arrange with the corresponding splicing ear of first row and arrange, observe displacement mutually the capable layout of splicing ear from line direction with the corresponding splicing ear of second row.In other words, arranging and arrange with the corresponding splicing ear of second row with the corresponding splicing ear of first row is to be configured as meander-shaped.

4 bit patterns shown in the row of 9 pins (4) of the extended terminal of #8 to #13 in Fig. 2 are selected when being used for multi-functional IC-card MFC is effective terminal.In other words, when selecting 4 bit patterns, the terminal of #2 to #7 is endowed and the corresponding identical pattern of multimedia card pattern.In corresponding multimedia card pattern, be used as the terminal #1 that keeps terminal, as and the 4th corresponding data terminal Data3, additional terminal #8 and #9 be used separately as with second corresponding data terminal Data1 and with the 3rd corresponding data terminal Data2.With first corresponding data terminal Data0 corresponding to the terminal #7 identical with the multimedia card pattern.Like this, when multi-functional IC-card MFC was selected 4 bit patterns, the I/O of data was enabled with 4 bit parallels.At this moment, consider #8 to #13 splicing ear 2 shape will with the splicing ear compatibility of SD card.The data terminal function of #8 to #13 can transposition in 4 bit patterns.4 bit patterns also can have the compatibility with the SD card.

The storage card unit 3 of multi-functional IC-card MFC disposes the backward compatible pattern to multimedia card.In other words, the controller in the storage card unit 3 has the SPI pattern of multimedia card or is similar to 1 bit pattern of multimedia card pattern, and uses 4 bit data terminal #1, #7, #8 and #13 to carry out 4 bit patterns of data I/O with 4 bit parallels.1 bit pattern is to allow the operational mode of multi-functional IC-card MFC as multimedia card.

Operational mode can respond the state of predetermined splicing ear or set from the state of predetermined splicing ear order input.When multi-functional IC-card MFC was installed on the card inserting mouth of multimedia card, terminal #8 and #13 became unsteady.Therefore, controller can detect terminal #8 and #13 or any one quick condition wherein (floating state) and multi-functional IC-card is set at 1 bit pattern when energising.When it is installed on have respectively with the special-purpose card inserting mouths of 9 splicing ears, 2 corresponding card inserting mouth terminals in the time, make the card inserting mouth terminal corresponding of terminal #8 and #9 importing card inserting mouth with it.Therefore, when energising controller detect from main equipment to both or any one special signal or order that provides terminal #8 and the #9 at least, thereby can set 4 bit patterns to multi-functional IC-card MFC.

Extended terminal #9 to #12 is respectively the dedicated terminals that is connected with SIM card unit 4.The formation of SIM card unit 4 comprises that has a built-in nonvolatile memory, as flash memory, single-chip microcomputer.#9 represents data input/output terminal I/O, and #10 represents not splicing ear, and #11 represents clock terminal CLK, and #12 represents reseting terminal.The operate power of SIM card unit 4 is through #3 ground terminal Vss and #4 power supply terminal Vdd supply.If mobile phone etc. provide the corresponding card inserting mouth of describing in the row with 13 pins in Fig. 2 of terminal arrangement, and multi-functional IC-card MFC is installed in the card inserting mouth, then storage card unit 3 and SIM card unit 4 independent operating mutually.If multi-functional IC-card MFC is connected with personal computer etc. through card adapter etc., then corrects on the storage card of telephone book data or the like in multi-functional IC-card MFC and can implement expeditiously.

The planimetric map of the virtual condition of the circuit installation surface among the multi-functional IC-card MFC shown in Figure 3, and in Fig. 4 the virtual condition of terminal surfaces.The splicing ear 2 that the card substrate 1 of multi-functional IC-card is configured as #1 to #13 is by resin substrate, as glass epoxy resin etc., arrange with 2 row on the terminal surfaces of the substrate of making, in (on its longitudinal direction) observation configuration before and after row adjacent to each other on the plug-in card direction.Connection pads 7 is formed on installation or the package surface correspondingly with splicing ear 2.Connection pads 7 is formed by the conductive pattern of aluminium, copper or copper or ferroalloy or the like respectively.Gold-plated or nickel plating or the like forms splicing ear 2 by the conductive pattern that makes aluminium, copper or copper or ferroalloy or the like.The electrical connection of connection pads 7 and splicing ear 2 makes the front and rear surfaces conducting of card substrate 1 by enforcements such as wire pattern on the not shown card substrate 1 and through holes.

Storage card unit 3 has, and such as, electrically rewritable flash memory 8 be used for controlling the controller 9 of flash memory 8, all is disposed on the installation surface of card substrate 1.Although be not particularly limited, flash memory 8 and controller 9 have independently semi-conductor chip formation respectively.Certainly, both can be made by a chip or together by forming different chips is bonded to each other.

Controller 9 is according to the read-write operation of the instruction control flash memory 8 that provides from the corresponding splicing ear 2 of outside warp.When considering data security, controller 9 can also further be configured as to have the enciphered data of making and writes flash memory 8 and the data of reading from flash memory 8 are implemented deciphering or to applying close function of keeping secret in fact.

Controller 9 has shape long on vertical or the vertical direction, extends along the orientation of splicing ear 2.In splicing ear 2 sides, controller 9 comprises a plurality of connecting interface terminal 9Pi, is connected with splicing ear 2 through connection pads 7 respectively, and in flash memory 8 sides, comprises that a plurality of memory interface terminal 9Pj are connected with flash memory 8.Flash memory 8 has a plurality of control unit interface terminal 8Pk and is connected with controller 9 in controller 9 sides.Connection pads 7 is connected to the connecting interface terminal 9Pi corresponding with it of controller 9 by welding lead 10.The memory interface terminal 9Pj of controller 9 is connected to the control unit interface terminal 8Pk corresponding with it of flash memory 8 by welding lead 11.Connecting interface terminal 9Pi has respectively and #1 to #8 and the corresponding terminal function of #13.Memory interface terminal 9Pj is respectively, such as, be used for controlling the terminal of flash memory 8, and corresponding with a plurality of terminals with following function, export, write enable signal as chip enable signal and export, order enable signal output, data I/O, the output of output enable signal, the output of ready/busy signal, reset signal to export or the like.Control unit interface terminal 8Pk is a plurality of terminals with following function, as chip enable signal input, write enable signal input, the input of order enable signal, data I/O, the input of output enable signal, the input of ready/busy signal, reset signal and import or the like.In addition, card substrate 1 comprises calibrating terminal 13, is connected with controller 9 and flash memory 8 by welding lead (wire pattern) 12.

SIM card unit 4 is connected with connection pads 7 corresponding to #9, #11 and #12 through welding lead 17A.The operation power supply supply of SIM card unit 4 is such as providing through welding lead 17B.A pair of welding lead with label 16 marks is the interface lead that is used for connecting controller 9 and SIM card unit 4.Welding lead is connected with connection pads 7 corresponding to #9, #11 and #12 through welding lead 17A to allow to pass SIM card unit 4 in the middle of storage card unit 3 and SIM card unit 4.The operation power supply supply of SIM card unit 4 is such as providing through welding lead 17B.A pair of welding lead with label 16 marks is the interface lead that is used for connecting controller 9 and SIM card unit 4.Welding lead is to allowing in storage card unit 3 and SIM card unit 4 intermediate conveyor information.

Card substrate 1 is installed on and is fixed in housing 14, and its installation surface is towards its inside.Installation surface has housing 14 to cover and protection, and its terminal surfaces exposes from housing 14.

Outer Fig. 5 that is shown in of mobile phone.Multi-functional IC-card MFC is installed in the card inserting mouth of determining in the side of mobile phone 20.

Fig. 6 illustrates multi-functional IC-card MFC to be installed on state diagram in the card inserting mouth 21.Card inserting mouth 21 has card inserting mouth terminal 22 at its back side, and card inserting mouth terminal 22 outstanding and corresponding splicing ears 2 combine.Because splicing ear 2 is arranged as two row of meander-shaped, the card inserting mouth terminal (22 (L)) that the card inserting mouth terminal 22 of the card inserting mouth 21 that its overhang is little (22 (S)) and its length are long can alternately change in meanders.Can adopt a kind of fairly simple configuration, wherein card inserting mouth terminal 22 is whole parallel, and the overhang of card inserting mouth terminal 22 is changed.The contact of contact splicing ear 2 is corresponding to the tip portion (with the ■ mark) of card inserting mouth terminal 22.

Fig. 7 illustrates multi-functional IC-card MFC and is installed on situation in the card inserting mouth 23 that multimedia card uses.Because the arrangement of the splicing ear 2 of the #1 to #7 of multi-functional IC-card MFC is based on multimedia card, multi-functional IC-card MFC can be installed in the card inserting mouth 23 that multimedia card uses so that even be complementary with the application of independent use storage card unit 3.Label 24 is represented the card inserting mouth terminal of card inserting mouth 23 respectively, and this card inserting mouth terminal can be connected with the splicing ear 2 of #1 to #7.

Fig. 8 is depicted as the functional block diagram of storage card unit 3.Controller 9 has an interface controller 30, flash controller 32, encrypting and decrypting circuit 33 and secure circuit 34.Interface controller 30 is connected to mobile phone 20 through splicing ear 2, thereby and the command decode that mobile phone 20 is provided so as to carry out to the general control of the inside of storage card unit 3 and to the control of the interface of mobile phone 20.Although be not specifically limited, this kind control program or state exchange steering logic provide in interface controller 30 inside.Control program can place in the flash memory 8.

Interface control is with equivalent through the interface control of splicing ear 2 based on multimedia card pattern or SPI pattern.The general control of the inside of storage card unit is comprised as the maintain secrecy control of compatibility of system of the utilization of the first step.In order to manage data or the file in 512 byte sector units, such as, the storage that utilizes electricity to rewrite flash memory 8 is arranged, the directorial area that its data field that to be divided into a sector be 512 bytes and each data field are provided with.Each directorial area comprises the information of indication sector user mode, such as, data of whether remaining valid with to the directional information of next sector in corresponding data field, or the like.Sector management table 35 of the whole composition of these directorial areas.When access control, the sector of the file of ready access combines with the corresponding physical address that its electricity is rewritten flash memory 8, and the result makes can carry out each storage operation, as reads, wipes, writes and verification or the like.

Encrypting and decrypting control is carried out, such as, make encrypting and decrypting circuit 33 at first to the data encryption that writes flash memory 8 and allow enciphered data to write the process of flash memory 8, and make 33 pairs in encrypting and decrypting circuit utilize flash controller 32 to rewrite data decryption or the logarithm that flash memory 8 reads to execute another time encryption factually, and allow treated data to output to the outside from interface controller 30 from electricity.The encrypting and decrypting method can adopt the suitable algorithm of utilizing private key or private key and PKI.

The following describes authentication control.Supposing to use storage card unit 3 to wait by mobile phone 20 provides music information, literature information or the like, then preferably considers the copyright protection to these information.When telephone number or the like is stored in the storage card unit 3 and uses, will require the secret protection of this kind information and executing.

Although copyright protection is not specifically limited, in the fabrication phase of electricity rewriting flash memory 8, the predetermined authentication codes of relevant right of duplicating is write electricity and rewrite in flash memory 8 specific regions.When information provided, the relevant authentication codes that duplicates right sent to mobile phone 20 or the like from main equipment.This is arranged in the authorization code admin table 36 of secure circuit 34.The information that combines with authorization code that provides, such as, flash memory 8 is downloaded and write to music information or the like.It is write memory address and combines with authorization code and be arranged in the authorization code admin table 36 of secure circuit 34.Afterwards, multi-functional IC-card MFC takes off and this time appends to one from mobile phone 20 and duplicates end device etc.Respond the request of access that this end device sends, the interface controller 30 of multi-functional IC-card MFC makes secure circuit 34 utilize authorization code admin table 36 to judge whether the file storage address that is intended to visit is the memory block that combines with authorization code in the authorization code admin table 36.When the memory block is when combining with authorization code, secure circuit 34 does not allow file access, rewrites predetermined pass between the authorization code of flash memory 8 and ties up to its fabrication phase and set up unless remain in the authorization code in the secure circuit 34 and write electricity.Authorization code admin table 36 can be rewritten nonvolatile memory by electricity and constitute.Authorization code admin table 36 can place interface controller 30 or flash memory 8.

In case secret cognizance code is from an equipment; such as; mobile phone; be set in the secret cognizance code admin table 37 of secure circuit 34; as relevant secret protection described; finish at each multi-functional IC-card MFC initialization procedure, when request was for the first time carried out read access to electricity rewriting flash memory 8, secure circuit 34 required the corresponding secret cognizance code of interface controller 30 inputs.Before outside input and secret cognizance code that secret cognizance code being arranged at secret cognizance code admin table 37 is consistent, the memory access that secure circuit 34 makes interface controller 30 stop to respond read request is controlled.Secret cognizance code admin table 37 can be rewritten nonvolatile memory by electricity and constitute.Authorization code admin table 36 can place interface controller 30 or electricity to rewrite flash memory 8.

Fig. 9 illustrates the functional block diagram of SIM card unit 4.SIM card unit 4 can be by chip microcontroller, it comprises CPU (CPU (central processing unit)) 40, be used as the RAM (random access memory) 41 of the workspace of CPU 40, be kept for the ROM (ROM (read-only memory)) 42 of the running program or the like of CPU 40, be used for carrying out serial interface circuit (SIO) 43 and flash memory 44 the data I/O of outside.In gsm mobile communication system, SIM card unit 4 keeps the telephonist of GSM to support and the necessary user profile of authentication/management GSM user, as the user profile of store/manage about security, and generation/leading subscriber PIN (personal identity number) or the like.In addition, SIM card unit 4 keeps account information, and GSM serves information necessary, as cripetura dialing/target Fixed Dialing or the like.CPU 40 carries out these information is retained in the flash memory 44 also by using RAM 41 these information of management.The program that in RAM 42, keeps its execution.In addition, the SIM card unit 4 implements communication agreement implementation, file management and safety managements.Safety management is by using authentication codes, as user PIN, confirms the validity of user's use authority and the validity of using system.Though concrete authentication formality is not described in detail the authentication codes that GSM service provider serves with the man-to-man corresponding relation storage GSM to each user in advance in the flash memory 44 of SIM card unit 4.Use the authentication codes that is registered in advance in the SIM card unit 4 to come to consistent with the code in being input to SIM card unit 4 such as all calling judgements.Validity is to confirm according to this judged result.Also have the relation with accounting, and therefore the safe level of SIM card unit 4 is set usually than the safe level height of storage card unit 3.In multi-functional IC-card MFC, SIM card unit 4 and storage card unit 3 are endowed intrinsic splicing ear respectively as the data input/output terminal.So, to its secret identification code, as security information, read-write just can carry out independently.This makes can carry out different transaction mutually aspect safe level.In other words, allow the difference on the safe level as multi-functional difference.

Can use the functional block diagram of the mobile phone of multi-functional IC-card MFC shown in Figure 10.

Microphone 51 is caught and is grabbed sound and be transformed to digital audio signal as the analog audio signal and by A/D transducer 52, is input to data processor 53 then.Data processor 53 is carried out acoustic coding processes and channel encode-decode process or the like and is handled and export treated signal as sending signal as the layer to the digital audio signal that receives.Although do not specifically illustrate, can utilize DSP to carry out acoustic coding processing and channel coding/decoding processing.Although do not specifically illustrate, data processor 53 can be set up accelerator for channel coding and decoding device and sound coder-decoder therein.

By the transmission signal of data processor 53 generations, by, such as, GMSK modulation circuit 54 is modulated, and further is transformed to simulating signal by D/A transducer 55, sends from high frequency transmitting element (RF transmitting element) by antenna 57 again.

The signal that antenna 57 receives is received by high frequency receiving element (RF receiving element) 58 and is transformed to digital signal by A/D transducer 59, sends into data processor 53 afterwards.Data processor 53 is carried out Viterbi (Viterbi) decode procedures, and voice codec process or the like is to take out sound or audio signal and with its output.The Veterbi decoding process, voice codec process or the like is carried out by DSP or not shown accelerator.

The audio signal of these data processor 53 outputs is transformed to the analog audio signal by D/A transducer 60, is re-used as sound through loudspeaker 61 outputs.

Data processor 53 in the mobile phone 20 shown in Figure 10 comprises CPU (central processing unit) (CPU) 62, direct memory access controller (DMAC) 63, the ROM (read-only memory) (ROM) 64 of working procedure of maintenance CPU 62 usefulness or the like, be used as the random access storage device (RAM) 65 of the workspace of CPU 62, and input/output circuitry (I/O) 66, as input/output end port, serial ports etc.In the example of this mobile phone 20, although be not particularly limited, running program, as be used for the acoustic coding decode procedure of acoustic coding/decoding, system's control procedure of carrying out as the channel encode-decode process of layer process and by data processor 53 or the like remains among the ROM 64.The process that is used to DMAC 63 to set transmission controlled condition is implemented by being stored in ROM 64 corresponding running programs by CPU 62 execution.

Although be not particularly limited, input switch unit 70, display controller 71 and card interface controller 72 are connected to the I/O 66 of data processor 53.But input switch unit 70 comprises a large amount of input switches that function is specified input digit and character that passes through.Multi-functional IC-card MFC and data processor 53 middle interfaces that card interface controller 72 is implemented to be installed in the card inserting mouth 21 are controlled.Data processor 53 has carries out following control function: show suitably on LCD 75 that through display controller 71 state of mobile phone 20 is as sending telephone number, caller ID, communications status, cell voltage or the like.

＜multiple bank storage card 〉

Multiple bank storage card MBC shown in Figure 11 has with multi-functional IC-card MFC shown in Figure 1 and similarly arranges.The splicing ear 2 of #1 to #13 on the card substrate 1 is configured as 2 row of winding form.Storage card unit 3 is connected with the splicing ear 2 of #1 to #13 with 3A and forms the multiple bank storer of parallel running.Label 5 expression connects leads, illustrates to be used for

storage card unit

3 and 3A are connected to the general symbol(s) of the line figure, welding lead or the like of splicing ear 2.

Storage card unit 3 is connected to the splicing ear 2 of #1 to #8 and #13 and has the configuration same with the storage card unit 3 of multi-functional IC-card MFC shown in Figure 1.Like this, storage card unit 3 can use as the multimedia card shown in 7 pins among Figure 12 (1 's) the row in mode described above.In addition, the similar mode of SD card that illustrates during storage card unit 3 can be listed as with 9 pins (4) with Figure 12 is carried out the I/O operation of 4 bit parallel data.When being connected to card inserting mouth as mentioned above, its operational mode is determined according to the state of splicing ear 2.As mentioned above, the multimedia card pattern and with the SPI pattern of the operational mode of multimedia card compatibility according to by main equipment the appointment during to 3 initialization of storage card unit determine.

Storage card unit 3A only has as the function that can carry out based on the storage card of 1 bit serial I/O of multimedia card.The power supply of storage card unit 3A has ground voltage Vss1, supply voltage Vdd and ground voltage Vss2, and from #3, #4 and #6 share with storage card unit 3.In the multimedia card pattern, #9 is as keeping terminal NC-2 (open a way or be fixed in logical value " 1 "), #10 is as command terminals CMD-2 (being used for fill order input and answer signal output), and #11 is as clock input terminal CLK-2, and #12 is as data input/output terminal Data-2.In the SPI pattern, #9 selects terminal CS-2 (negative logic) as chip, #10 is as the sub-Din-2 of data input pin (being used for from main equipment to card input data and order), #11 is as clock input terminal CLK-2, and #12 is as the sub-Dout-2 of data output end (carry out and snap into the data of main equipment and the output of state from storage).As mentioned above, multimedia card pattern and SPI pattern according to by main equipment the appointment during to the 3A initialization of storage card unit determine.

When multiple bank storage card MBC shown in Figure 11 is installed on as shown in Figure 6 the card inserting mouth with 13 card inserting mouth terminals 22 21 so that during with host device interface, can introduce the operational mode of

storage card unit

3 and 3A when two

storage card unit

3 and 3A concurrent working respectively, at first be to be used for the both is set at the multimedia card pattern in the multimedia card compatibility mode in 13 pins (A) row that are shown in Figure 12 or the form of SPI pattern.Secondly, as shown in 13 pins (B) row of Figure 12, operational mode is to be used for that storage card unit 3 is set at the form of the pattern that can carry out 4 bit parallel I/O and to be used for the form of the multimedia card pattern in the multimedia card compatibility mode that storage card unit 3A is set at.In all case, main equipment can controlling packet be contained in the IC-card mutually independently two

storage card unit

3 and 3A, and even can make its parallel running fully.

＜prevent that power supply is to power supply short circuit 〉

In multi-functional IC-card MFC shown in Figure 1 and multiple bank storage card MBC shown in Figure 11, the power supply of the arrangement of two row splicing ears 2 is to power supply short circuit before and after having considered to prevent.In above-mentioned example, there is not terminal at rear portion with the corresponding #4 terminal of power connector end.When splicing ear 2 was configured as winding form shown in Figure 6, short terminal 22 (S) in the card inserting mouth terminal 22 of card inserting mouth 21 and long terminal 22 (L) were alternately configurations thick and fast, each spacing equal each splicing ear 2 spacing 1/2.On the other hand, if the rear portion does not have splicing ear 2 to exist, as occasion, then at the not long card inserting mouth terminals 22 in both sides (L) of the card inserting mouth terminal 22 (Vdd) of the splicing ear 2 of the #4 that is equivalent to be used to provide supply voltage (Vdd), as shown in Figure 6 at #4.

Suppose IC-card 25, contrast illustrates as Figure 13 (A), and the rear portion that the data terminal of #10 and #11 is disposed at #4 is used to provide supply voltage (Vdd).With IC-card 25 corresponding card inserting mouths 26 in, long card inserting mouth terminal 26Ab is disposed at the adjoiner with the corresponding card inserting mouth terminal of the splicing ear of #4 26Aa.

When the IC-card 25 of Figure 13 inserts card inserting mouth 26, the surperficial sliding contact of the splicing ear of the splicing ear of the #4 of the contact point of card inserting mouth terminal 26Ab (with the position of ■ mark) and input supply voltage Vdd and the #3 of input circuit ground voltage Vss is shown in Figure 13 (B).At this moment, when the splicing ear conducting of card inserting mouth terminal 26Aa that has supply voltage Vdd and #4 and have the card inserting mouth terminal 26Ac of circuit ground voltage Vss and during the splicing ear conducting of #3, supply voltage Vdd and ground voltage Vss are through the contact point short circuit of contact point and #3 and the 26Ac of contact point, #4 and the 26Ab of 26Aa, shown in Figure 13 (C).

Because, as shown in Figure 6, there is not splicing ear at rear portion with the terminal of the corresponding #4 of power connector end, the possibility of this kind power supply short circuit can prevent from can not take place.

Though the inventor is the specific embodiment shown in the basis to the description of the invention described above, the invention is not restricted to this.In the scope that does not break away from spirit of the present invention, can carry out various changes to it.

Such as, the present invention even can be applicable to get rid of the storage card of the outside standard of multimedia card, such as, based on the IC-card of other standards, as pocket flash memory or the like.Therefore, the function of the number of the size of card substrate, splicing ear and splicing ear all is not limited to above-mentioned and can suitably changes.The storer that is installed to IC-card of the present invention is not limited to nonvolatile memory.Storer can be volatile memory (SRAM, DRAM or the like).Nonvolatile memory is not limited to flash memory and can makes ferroelectric memory.

The present invention can be used as IC-card and is applied to as GSM mobile handset, and other personal digital assistants.The present invention also can be used as the multiple bank IC-card and is widely used in the auxilary unit in digital camera, digital static camera and other electronic installations.In addition, the function of bank book, credit card, IC-card or the like also can combine as the function of multi-functional IC-card with memory function.

Claims

1. non-volatile memory device comprises:

The memory card function piece comprises first semi-conductor chip;

The IC-card functional block comprises second semi-conductor chip that is different from described first semi-conductor chip;

A plurality of terminals; And

Signal wire,

Wherein said first semi-conductor chip is configured for the access function of control to electric erasable and programmable non-volatile memory,

Wherein said second semi-conductor chip is configured for the control security function,

Wherein said a plurality of terminal comprises first group of terminal, second group of terminal and the 3rd group of terminal,

Wherein said first group of terminal is coupled to described memory card function piece,

Wherein said second group of terminal is coupled to described IC-card functional block,

Wherein said the 3rd group of terminal be coupled to described memory card function piece and described IC-card functional block the two,

Wherein said signal wire is couple to described memory card function piece and IC-card functional block, and be used for transmission information between the two, but be not couple on any of described a plurality of terminals, and

Wherein said second group of terminal comprises and being used for to described IC-card functional block input data or from described IC-card functional block output data and only be used to the terminal of described IC-card functional block.

2. according to the non-volatile memory device of claim 1,

Wherein said memory card function piece also comprises the 3rd semi-conductor chip with described electric erasable and programmable non-volatile memory,

Wherein said first semi-conductor chip is couple to described the 3rd semi-conductor chip.

3. according to the non-volatile memory device of claim 2,

Wherein said IC-card functional block is constructed to data are encrypted and data are decrypted.

4. according to the non-volatile memory device of claim 3,

Wherein said IC-card functional block comprises second nonvolatile memory, and

Wherein said second nonvolatile memory stores user profile and/or the account information.

5. according to the non-volatile memory device of claim 1,

Wherein said first group of terminal is specifically designed to described memory card function piece, and described second group of terminal is specifically designed to described IC-card functional block.

6. according to the non-volatile memory device of claim 5,

Wherein said first group of terminal comprises the command terminals that receives the storage operation order.

7. according to the non-volatile memory device of claim 4,

Wherein said IC-card functional block has than the higher safe level of described memory card function piece.

8. according to the non-volatile memory device of claim 7,

Wherein said memory card function piece is based on the multimedia card standard, and described IC-card functional block is based on the subscriber identify module card standard.

9. according to the non-volatile memory device of claim 1,

10. according to the non-volatile memory device of claim 9,