SPECIFICATIONS

Brand Name: NONE

Condition: New

High-concerned chemical: none

Origin: Mainland China

Type: Module

CH32V003 Specifications

Core: QingKe V2A 32‑bit RISC‑V, RV32EC instruction set

Max System Clock: 48 MHz

Interrupt: Fast interrupt controller, hardware stack, support 2‑level interrupt nesting

Memory

Flash: 16 KB Code‑Flash, typical 80K erase/write cycles

SRAM: 2 KB

Bootloader: 1920   Bytes built‑in bootloader

Non‑volatile: 64‑Byte system configuration area + 64‑Byte user area

Power & Operating Conditions

Supply Voltage VDD: 2.7V‑5.5V (ADC recommended 2.8V‑5.5V)

Operating Temperature: ‑40℃ ~ +85℃ (Industrial grade)

Low‑power Modes: Sleep mode, Standby mode

Reset: Power‑on / Power‑down reset, programmable voltage detector(PVD)

Internal Oscillators: Trimmed 24MHz RC, 128KHz RC; External HSE:4‑25MHz

Peripherals

DMA: 1‑channel general‑purpose DMA controller, 7 channels mapping, circular buffer support

ADC: 10‑bit ADC, up to 8 external + 2 internal channels, analog watchdog

OPA‑Comparator: 1 set operational amplifier & comparator

Timers:

1 × 16‑bit Advanced Timer (complementary PWM, dead‑time generation, brake input)

1 × 16‑bit General‑purpose Timer

1 × 16‑bit Watchdog Timer

1 × SysTick timer

Communication Interfaces:

USART ×1

I2C ×1

SPI ×1

GPIO: Up to 18 I/O pins; I/O drive: ±20   mA sink/source current

Package Options

CH32V003F4U6: SOP‑8

CH32V003J4M6: SOP‑16

CH32V003A4M6: SOP‑20

Brief Feature Summary (for product listing)

CH32V003 is a low‑cost industrial‑grade 32‑bit RISC‑V MCU, running up to 48MHz, equipped with 16KB Flash, 2KB SRAM. Integrated 10‑bit ADC, comparator, DMA, multi‑timer, USART/I2C/SPI interfaces. Wide voltage 2.7‑5.5V, industrial temperature ‑40~85℃, available in SOP8/SOP16/SOP20 packages, ideal for IoT, sensor, control applications.