JPS6048525A - Microcomputer - Google Patents

Microcomputer

Info

Publication number
JPS6048525A
JPS6048525A JP58156076A JP15607683A JPS6048525A JP S6048525 A JPS6048525 A JP S6048525A JP 58156076 A JP58156076 A JP 58156076A JP 15607683 A JP15607683 A JP 15607683A JP S6048525 A JPS6048525 A JP S6048525A
Authority
JP
Japan
Prior art keywords
channel length
mosfet
circuit section
standby
power source
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP58156076A
Other languages
Japanese (ja)
Inventor
Nobukazu Iwase
信和 岩瀬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP58156076A priority Critical patent/JPS6048525A/en
Publication of JPS6048525A publication Critical patent/JPS6048525A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00Energy efficient computing, e.g. low power processors, power management or thermal management

Landscapes

  • Direct Current Feeding And Distribution (AREA)
  • Power Sources (AREA)
  • Microcomputers (AREA)

Abstract

PURPOSE:To suppress a leak current, and to realize a low power consumption by forming a circuit part, etc. which require holding of a data and its controlling circuit part, by an MOSFET whose channel length is long. CONSTITUTION:The drain is connected to a power source terminal 6 connected to power source part, an MOSFET 11 which is turned on and off by a control signal 19 inputted to the gate and has a long channel length relatively is provided, and a CPU1 constituted of a MOSFET having a short channel length relatively and a ROM2 are connected to the source of this MOSFET. Also, an RAM 3 constituted of an MOSFET having a long channel length, an oscillating circuit part 4, and a stand-by control flip-flop 5 are connected directly to the power source terminal 6. In this way, a low stand-by power source current is attained.

Description

【発明の詳細な説明】 〔発明の属する技術分野〕 本発8Aはマイクロコンピュータに関し、特に0M08
mで1チツプに構成され、スタンバイ機能を有するマイ
クロコンピュータに関する。
[Detailed description of the invention] [Technical field to which the invention pertains] The present invention 8A relates to a microcomputer, and in particular, 0M08
The present invention relates to a microcomputer configured with m chips on one chip and having a standby function.

〔従来技術〕[Prior art]

従来、マイクロコンピーータの<K頼性を上げるために
、スタンバイ機能?有するマイクロコンピーーメか使用
されている。
Traditionally, standby functions have been used to increase the reliability of microcomputers. A microcomputer with a microcomputer is used.

第1図は従来のスタンバイ機能全有するマイクロコンピ
ー−夕の一例の要部のブロック図である。
FIG. 1 is a block diagram of the main parts of an example of a conventional microcomputer having all standby functions.

このマイクロコンピュータは0MO8装置で1チツプに
作られるものである。第1図におAて、lはCPU、2
にROM、3はRAM、4は発振回路部、5はスタンバ
イ制御7リツプ70ツブでめる。スタンバイ状態への移
行要求が発生すると。
This microcomputer is made on one chip using 0MO8 equipment. In FIG. 1, l is the CPU, 2
ROM, 3 RAM, 4 oscillation circuit section, 5 standby control 7 lip 70 blocks. When a request to transition to standby state occurs.

ePUlは、スタンバイ’+tllNフリソゲ7oツブ
5tスタンバイ制御ノリノブ70ソゲセント信号8でセ
ットし、発振回路部4全スタンバイ5BIJ御部5の出
力発振停止信号9で停止させて、チノグP′3部はスタ
ンバイ状態に入シ、几AM3のデータのみ全保持する。
ePUl is set with standby' + tllN frisoge 7o knob 5t standby control knob 70 sogesent signal 8, and stopped with output oscillation stop signal 9 of oscillation circuit section 4 all standby 5 BIJ control section 5, and chinogu P'3 section is in standby state. At the beginning, only all data of AM3 is retained.

逆に、動作状態への移行に、外部制御端子7によってス
タンバイft1lJ御フリツプ70ツブ5全リセントし
、発振N踏部4全動作状態へ移行し、全体が動作状態に
入る。
Conversely, when transitioning to the operating state, the external control terminal 7 causes the standby ft1lJ control flip 70 and knob 5 to all re-center, and the oscillating N-tread section 4 shifts to the operating state, and the entire unit enters the operating state.

しかし、集Ut度?上げる為に菓子の縮小(チャンネル
長會短くする)全行なうと、トランジスタの電流オフ特
性が悪くなシ、チャンネルでのり一タ嵐流が増加し、ス
タンバイ状態時の低消費電力化が困嬬になる欠点があっ
た。
But the degree? If you try to reduce the size of the confectionery (shorten the channel length) in order to increase the power consumption, the current off characteristics of the transistor will deteriorate, and the current in the channel will increase, making it difficult to reduce power consumption during standby mode. There was a drawback.

〔発明の目的〕[Purpose of the invention]

本発明の目的は、上記欠点全除去し、スタンバイ状態で
もリーク電流を抑え、低vfJ費電力化を計ることので
きる0MO8Hのマイクロコンピュータ全提供すること
にある。
An object of the present invention is to provide an entire 0MO8H microcomputer that can eliminate all of the above-mentioned drawbacks, suppress leakage current even in standby state, and achieve low VFJ cost and power consumption.

〔発明の(構成〕 本発明のマイクロコンピータは、電源部にドレインが接
続しゲートに入力式几る制御信号によりオンオンする相
対的にチャンネル長の長いM08FE’l’ト、該MO
8FET(D7−スに接続t、相x”を的にチャンネル
長の短いM OS F E TでMq成される回路部と
、相対的にチャンネル長の長いMOSFETで構成され
前記電源部に直接に接続する回路部と全含んで構成され
る。
[Structure of the Invention] The microcomputer of the present invention has a drain connected to a power supply section and an M08FE'l' gate having a relatively long channel length, which is turned on by a control signal input to the gate.
8FET (connected to D7-phase, phase It consists of all the circuit parts to be connected.

上記の相対的にチャンネル長が短いMO31i’ETで
構成される回路部はCPU及びROMであル、相対的に
チャンネル長が長いMOSFETで構成される回路部は
RAM、発振回路部及びスタンバイ1titl H7リ
ツプフロツプである。
The circuit section made up of the above MO31i'ET with a relatively short channel length is the CPU and ROM, and the circuit section made up of MOSFETs with a relatively long channel length is the RAM, oscillation circuit section, and standby 1titl H7. It's a lip flop.

〔実施例の説明〕[Explanation of Examples]

次に、本発明の実施例について図面音用いて説明する。 Next, embodiments of the present invention will be described with reference to the drawings.

第2図は本発明の一実施例のブロック図である。FIG. 2 is a block diagram of one embodiment of the present invention.

この実施例は、電源部に接続する電源端子6にドレイ/
が接続し、ゲートに入力される制御信号によジオンオン
する相対的にチャンネル長の長いfvlO8f”ET 
11と、このMO8I;’nT l iのソースに接続
し相対的にチャンネル長の短いMO3FffTで構成さ
れるCPUI及びROM2と、相対的にチャンネル長の
長いMOSFETでjFJ成され、電源部の電源端子6
に直接に接続する几AM3.発振回路部4及びスタンバ
イ制御ノリツブフロップ5と奮含んで414成される。
In this embodiment, a drain/
fvlO8f”ET, which has a relatively long channel length, is connected and turned on by the control signal input to the gate.
11, the CPUI and ROM2 which are connected to the source of this MO8I;'nT l i and are composed of MO3FffT with a relatively short channel length, and a MOSFET with a relatively long channel length, and are connected to the power supply terminal of the power supply section. 6
Connect directly to AM3. The circuit 414 includes the oscillation circuit section 4 and the standby control control flop 5.

即ち、データ全保持する必要のおる回路部及び制御部は
チャンネル長の長いMo5Frrで栂成し、データの保
持の必要のない回路部はチャンネル長の短いMO8IN
E’rで構成する。
In other words, the circuit section and control section that need to hold all data are made of Mo5Frr, which has a long channel length, and the circuit section that does not need to hold data is made of MO8IN, which has a short channel length.
Consists of E'r.

次に、この実施例の動作について説明する。Next, the operation of this embodiment will be explained.

スタンバイ状態の要求がCPUIで発生した場合、スタ
ンバイ制御フリップフロップ5はスタンバイ制御ノリッ
グフロソプセット4に号8でセントぜれ、MO8F’E
T i i全MO8FET制御信号19でオフ式せ、同
時に発振回路部4を制御して発振ケ停止させてスタンバ
イ状態へ移行し、RAM3のデータとスタンバイ制御ノ
リツブフロップ5の出力の4企保持する。
When a standby state request occurs on the CPUI, the standby control flip-flop 5 is sent to the standby control flip-flop set 4 at number 8, MO8F'E
All MO8FETs are turned off by the control signal 19, and at the same time, the oscillation circuit section 4 is controlled to stop oscillation and enter the standby state, and the data in the RAM 3 and the output of the standby control flop 5 are held. .

従って、几AM3.発振回路部4.スタンバイ制御フリ
ップノロツブ5とMO8n”ET 11をチャンネル長
の長いMOS)ランジスタで48にする事によって低ス
タンバイ電源電流が達成される。
Therefore, 几AM3. Oscillation circuit section 4. A low standby power supply current is achieved by setting the standby control flip knob 5 and MO8n''ET 11 to 48 with long channel length MOS transistors.

動作状態への移行は、外部からの1ttlJ−信号7に
よってスタンバイiii!l flフリップフロップ5
奮リセットし、MOSFET11”cオンにし、かつ発
振回路部4全発振状態にして、内部クロツク10全各回
路に供給して行なわれる。
The transition to the operating state is made standby by external 1ttlJ-signal 7! l fl flip flop 5
This is done by quickly resetting the clock, turning on the MOSFET 11''c, bringing the entire oscillation circuit section 4 into an oscillating state, and supplying the internal clock 10 to all circuits.

〔発ツ]の効果〕[Effect of Departure]

本発明は、以上説ツJしたように、 MOS、i’ET
11とデータ保持の必要な回路部とその制御回路部全チ
ャンネル長の長いMOS)う/ジスタで宿成し、スタン
バイ時、リーク電IIf、に抑え、低消費14L刀化が
できかつデータ保持の必要のない回路部分でチャ/イ・
ル長の短い素子が使用出来る挙によシ果績度全高められ
る効果がある。
As explained above, the present invention is applicable to MOS, i'ET
11, the circuit section that requires data retention, and its control circuit section (MOS) with a long total channel length. CH/I in unnecessary circuit parts
In addition to being able to use elements with short lead lengths, the overall performance can be improved.

【図面の簡単な説明】[Brief explanation of drawings]

11図は従来のスタンバイ(戊能を有するマイクロニン
ピユータの一例の要部のブロック図、第2図は本発明の
一実施例のブロック図である。 l・・・・・・CPU膵、2・・・・・・ROM部、3
・・・・・・1(ANlぴ、4・・・・・・発振回路部
、5・・・・・・スタンバイ制御フリップ70ノブ、6
・・・・・・電源端子、7・・・・・・外部fljlJ
御信号、8・・・・・・スタンバイ制御ノリツブ70ツ
ブセツト信−号、9・・・・・・発振停止イば号、10
・・・・・・内部タロツク信号、11・・・・・・MO
8li”ET、19・・・・・・MO8I!’ET制呻
信号。 Uin −\
FIG. 11 is a block diagram of the main parts of an example of a conventional micronin computer with standby (standby) function, and FIG. 2 is a block diagram of an embodiment of the present invention. 2...ROM section, 3
......1 (ANlpi, 4...Oscillation circuit section, 5...Standby control flip 70 knob, 6
...Power terminal, 7...External fljlJ
Control signal, 8...Standby control knob 70 set signal, 9...Oscillation stop signal, 10
...Internal tarok signal, 11...MO
8li"ET, 19...MO8I!'ET suppressing signal. Uin -\

Claims (2)

【特許請求の範囲】[Claims] (1) 電源部にドレイ/が接続しゲートに入力される
制御信号によジオンオンする相対的にチャンネル長の長
いMO8111ETと、該MO8F’ETのソースに接
続し相対的にチャンネル長の短いMOS F E Tで
構成される回路部と、相対的にチャンネル長の長いMO
8L’18Tで構成でれ前記電源部に直接に接続する回
路部とを含むことを特徴とするマイクロコンピュータ。
(1) A MO8111ET with a relatively long channel length connected to the power source and turned on by a control signal input to the gate, and a MOS F with a relatively short channel length connected to the source of the MO8F'ET. A circuit section consisting of an ET and an MO with a relatively long channel length.
8L'18T, and a circuit section directly connected to the power supply section.
(2)相対的にチャン坏ル長が短いMOSFETで構成
される回路部がCPU及びROMで必ハ相対的にチャン
ネル長が長いMOSFETで構成される回路部がRA 
M 、発振回路部及びスタンバイ%1j御フリップフロ
ップである特許請求の範囲1(x)項り己載のマイクロ
コンピュータ。
(2) The circuit section composed of MOSFETs with a relatively short channel length must be the CPU and ROM, and the circuit section composed of MOSFETs with a relatively long channel length must be the RA.
A microcomputer according to claim 1(x), wherein M is an oscillation circuit section and a standby control flip-flop.
JP58156076A 1983-08-26 1983-08-26 Microcomputer Pending JPS6048525A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58156076A JPS6048525A (en) 1983-08-26 1983-08-26 Microcomputer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58156076A JPS6048525A (en) 1983-08-26 1983-08-26 Microcomputer

Publications (1)

Publication Number Publication Date
JPS6048525A true JPS6048525A (en) 1985-03-16

Family

ID=15619776

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58156076A Pending JPS6048525A (en) 1983-08-26 1983-08-26 Microcomputer

Country Status (1)

Country Link
JP (1) JPS6048525A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63175909A (en) * 1987-01-16 1988-07-20 Nec Corp One-chip microcomputer
JPH01138129U (en) * 1988-03-14 1989-09-21
JPH02151947A (en) * 1988-12-02 1990-06-11 Nec Ic Microcomput Syst Ltd Microcomputer system
US6046604A (en) * 1992-04-14 2000-04-04 Hitachi, Ltd. Semiconductor integrated circuit device having power reduction mechanism
US6621292B2 (en) 1993-01-07 2003-09-16 Hitachi, Ltd. Semiconductor integrated circuits with power reduction mechanism
US7199490B2 (en) 2000-06-14 2007-04-03 Nec Corporation Semiconductor device for preventing noise generation
USRE40132E1 (en) 1988-06-17 2008-03-04 Elpida Memory, Inc. Large scale integrated circuit with sense amplifier circuits for low voltage operation
US7388400B2 (en) 1993-01-07 2008-06-17 Elpida Memory, Inc. Semiconductor integrated circuits with power reduction mechanism
US10607663B2 (en) 2017-05-24 2020-03-31 Renesas Electronics Corporation Semiconductor integrated circuit device and semiconductor device

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63175909A (en) * 1987-01-16 1988-07-20 Nec Corp One-chip microcomputer
JPH01138129U (en) * 1988-03-14 1989-09-21
JPH0542505Y2 (en) * 1988-03-14 1993-10-26
USRE40132E1 (en) 1988-06-17 2008-03-04 Elpida Memory, Inc. Large scale integrated circuit with sense amplifier circuits for low voltage operation
JPH02151947A (en) * 1988-12-02 1990-06-11 Nec Ic Microcomput Syst Ltd Microcomputer system
US6281711B1 (en) 1992-04-14 2001-08-28 Hitachi, Ltd. Semiconductor integrated circuit device having power reduction mechanism
US6046604A (en) * 1992-04-14 2000-04-04 Hitachi, Ltd. Semiconductor integrated circuit device having power reduction mechanism
US6356119B2 (en) 1992-04-14 2002-03-12 Hitachi, Ltd. Semiconductor integrated circuit device having power reduction mechanism
US6504402B2 (en) 1992-04-14 2003-01-07 Hitachi, Ltd. Semiconductor integrated circuit device having power reduction mechanism
US7750668B2 (en) 1992-04-14 2010-07-06 Renesas Technology Corp. Semiconductor integrated circuit device having power reduction mechanism
US6696865B2 (en) 1992-04-14 2004-02-24 Hitachi, Ltd. Semiconductor integrated circuit device having power reduction mechanism
US6175251B1 (en) 1992-04-14 2001-01-16 Hitachi, Ltd. Semiconductor integrated circuit device having power reduction
US6970019B2 (en) 1992-04-14 2005-11-29 Masashi Horiguchi Semiconductor integrated circuit device having power reduction mechanism
US7312640B2 (en) 1992-04-14 2007-12-25 Renesas Technology Corp. Semiconductor integrated circuit device having power reduction mechanism
US7215136B2 (en) 1993-01-07 2007-05-08 Elpida Memory, Inc. Semiconductor integrated circuits with power reduction mechanism
US7242214B2 (en) 1993-01-07 2007-07-10 Elpida Memory, Inc. Semiconductor integrated circuits with power reduction mechanism
US7023237B2 (en) 1993-01-07 2006-04-04 Hitachi, Ltd. Semiconductor integrated circuits with power reduction mechanism
US6838901B2 (en) 1993-01-07 2005-01-04 Hitachi, Ltd. Semiconductor integrated circuits with power reduction mechanism
US7388400B2 (en) 1993-01-07 2008-06-17 Elpida Memory, Inc. Semiconductor integrated circuits with power reduction mechanism
US7667485B2 (en) 1993-01-07 2010-02-23 Elpida Memory, Inc. Semiconductor integrated circuits with power reduction mechanism
US6621292B2 (en) 1993-01-07 2003-09-16 Hitachi, Ltd. Semiconductor integrated circuits with power reduction mechanism
US8106678B2 (en) 1993-01-07 2012-01-31 Elpida Memory, Inc. Semiconductor integrated circuits with power reduction mechanism
US7199490B2 (en) 2000-06-14 2007-04-03 Nec Corporation Semiconductor device for preventing noise generation
US10607663B2 (en) 2017-05-24 2020-03-31 Renesas Electronics Corporation Semiconductor integrated circuit device and semiconductor device
US10714154B2 (en) 2017-05-24 2020-07-14 Renesas Elelctronics Corporation Semiconductor integrated circuit device and semiconductor device

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