CH32V003F4P6/TSSOP-20

RISC-V core 32-bit microcontroller -MCU

Product Description

          The CH32V003 series is an industrial-grade general-purpose microcontroller designed based on the Qingke RISC-V2A core, supporting a 48MHz system main frequency. It features wide voltage range, single-wire debugging, low power consumption, and ultra-small package. It provides commonly used peripheral functions, including 1 set of DMA controllers, 1 set of 10-bit analog-to-digital conversion ADC, 1 set of operational amplifier comparators, multiple sets of timers, and standard communication interfaces such as USART, I²C, SPI, etc. The rated working voltage of the product is 3.3V or 5V, and the working temperature range is -40℃ to 85℃. It is of industrial grade.

Product details

• Core

- Qingke 32-bit RISC-V core, RV32EC instruction set

- Fast programmable interrupt controller + hardware interrupt stack

- Supports two-level interrupt nesting

- Supports a system main frequency of 48MHz

• Memory

- 2KB volatile data storage area SRAM

- 16KB program storage area CodeFlash

- 1920B system Boot program storage area BootLoader

- 648 System non-volatile configuration information storage area

- 648 User-defined information storage area

• Power management and low power consumption

- System power supply rated  V_DD : 3.3V or 5V

- Low-power mode: Sleep, standby

• System clock, reset

- Built-in factory-calibrated 24MHz RC oscillator

- Built-in 128KHz RC oscillator

- External support for high-speed oscillators ranging from 4 to 25MHz

- Power on/off reset, programmable voltage monitor

• 7-channel universal DMA controller

- 7 channels, supporting circular buffer management

- Supports TIMx/ADC/USART/I²C/SPI

• One set of operational amplifier and comparator: Connect ADC and TIM2

• One group of 10-bit analog-to-digital conversion ADC

- Analog input range : 0 to V_DD

- 8 external signal channels +2 internal signal channels

- Supports external delayed triggering

• Multiple sets of timers

- 1 16-bit advanced timer, providing dead zone control and emergency braking, and offering PWM complementary output for motor control

- 1 16-bit general-purpose timer, providing input capture/output comparison /PWMV/ pulse counting and incremental encoder input

- 2 watchdog timers (standalone and windowed types)

- System time base timer: 32-bit counter

• Standard communication interface

- 1 USART interface

- 1 I²C interface

- 1 SPI interface

• GPIO port

- 3 groups of GPIO ports and 18 I/O ports

• Map an external interrupt

• Security feature: 96-bit chip unique ID

• Debugging mode: Serial single-wire debugging interface

Specification information

          The microcontroller is designed based on the RISC-V instruction set of Qingke V2A. In its architecture, the core, arbitration unit, DMA module, SRAM storage and other components interact through multiple sets of buses. The design integrates a universal DMA controller to reduce the burden on the CPU and improve access efficiency. Meanwhile, it also features data protection mechanisms, automatic clock switching protection and other measures, which enhance system stability.

System block diagram

Products photography