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The CH643 is an RGB display industrial-grade MCU based on RISC-V core.Built-in 3*16-channel PWM current drive, support COM scanning. Supports 192 groups of RGB or 576 single-color LEDs without extra PMOS.The CH643 built-in USB and PD PHY,supports USB Host and USB Device functions, USB PD and type C fast charging functions, built-in programmable protocol I/O controller.The CH643 provides 2 groups of OPA operational amplifiers, 3 groups of CMP voltage comparators, 4 groups of USART serial ports, I2C, SPI, multi-group timers, 12-bit ADC, 15-way Touchkey and other rich peripheral resources.

• Qingke V4C Core;
• Single-cycle multiplication and hardware division;
• 20KB SRAM, 62KB Flash;
• Supply voltage: 5V/3.3V;
• Low-power modes: sleep/stop/standby;
• Built-in 48MHz clock oscillator
• Power-on/power-down reset (POR/PDR), programmable voltage detector (PVD);
• 1 x 8-channel general DMA controllers
• Programmable Protocol I/O Controller PIOC
• 2 sets of operational amplifiers OPA/PGA/voltage comparator
• 3 groups of analog voltage comparators CMP
• RGB three-color LED pulse width modulation LEDPWM
• 12-bit ADC, 15-channel TouchKey;
• 2 advanced timers, 1 general purpose timer, 1 basic timer, 2 watchdog timers
• One USB2.0 full-speed host/device interface;
• USB PD and Type C controller and PHY
• 4 UARTs;
• 1 IIC interfaces, 1 SPI interfaces;
• 69 I/O ports, can be mapped to 24 external interrupts;
• Security feature: chip unique ID;
• Serial 2-wire debug interface;
• Packages: LQFP、QFN、QSOP;