1. Overview

CH32V003 series is based on the QingKe RISC-V2A core design of industrial-grade general-purpose microcontroller, support 48MHz system main frequency, with wide voltage, 1-wire SDI, low-power consumption, ultra-small package, etc. CH32V003 series built-in a group of DMA controller, a group of 10-bit ADC, a group of OPA, multiple timers and standard communication interfaces USART, IC, SPI, etc.

 

2. Product features

• QingKe 32-bit RISC-V2A processor with 2-level interrupt nesting support

• Up to 48MHz system main frequency

• 2KB SRAM, 16KB Flash

• Power supply voltage: 3.3/5V

• Multiple low-power modes: Sleep, Standby

• Power up/down reset, programmable voltage detector

• 1 group of 1-channel general-purpose DMA controller

• 1 group of OPA

• 1 group 10-bit ADC

• 1 16-bit advanced-control timer and 1 16-bit general-purpose timer

• 2 watchdog timers and 1 32-bit SysTick timer

• 1 USART interface, 1 group of IC interface, 1 group of SPI interface

• 18 I/O ports, mapping an external interrupt

• 64-bit chip unique ID

• 1-wire serial debug interface(SDI)