CH32V002F4P6
WCH · CH32V002 Series
In production
32 bit · RV32EmC
Low-power data
Max clock
48MHz
SRAM
4KB
On-chip Flash
16KB
Active current
71µA/MHz
Sleep current
—
Supply voltage
2–5.5V
Overview
CH32V002F4P6 is a WCH-bit RISC-V MCU from 32, built on the WCH in-house QingKe V2C core (RV32EmC), with a maximum clock of 48 MHz, 4 KB of on-chip SRAM, and 16 KB KB of Flash. Typical active power is about 71 µA/MHz.
Core and memory
| Vendor | WCH（Chinese mainland） |
|---|---|
| IP brand / origin | WCH in-house（Chinese mainland） |
| Core | QingKe V2C |
| ISA / bit width | RV32EmC · 32 bit |
| Max clock | 48 MHz |
| SRAM | 4 KB |
| On-chip Flash | 16 KB |
Power and electrical
Active current
71 µA/MHz
Sleep current
—
Standby / shutdown
17.5 µA
Conditions and notes: The vendor or source notes are in Chinese in the original DS V1.7 表3-6: VDD=3.3V, 25°C, HSI 48MHz, 外设全关 3.4mA → 71µA/MHz（全开 4.3mA）; 表3-8 Standby VDD=3.3V 17.5µA（IWDG/LSI 关），18.1µA（IWDG+LSI 开）
| Supply voltage | 2–5.5 V |
|---|---|
| Operating temperature | -40 ℃ ~ 85 ℃ |
Peripherals and interfaces
| UART / USART | 1 way |
|---|---|
| SPI | 1 way |
| I²C | 1 way |
| Touch | 8 way |
| DMA | 7 way |
| ADC | 8 channels · 12 bit |
| Other | The vendor or source notes are in Chinese in the original 12-bit ADC 3Msps（8 外部 + 2 内部通道）; 1x16-bit 高级定时器, 1x16-bit 通用定时器 |
Sources and notes
Confidence:High (official datasheet) · Last verified 2026-11-04
The vendor or source notes are in Chinese in the original 官方 DS 写 RV32EmC（V2C 核，带硬件乘法扩展，WCH 私有命名）; 引脚/功能与 CH32V003 兼容，ADC 升级到 12-bit 3Msps，但无 OPA。2024-04-12 官方新闻称其为 2*2mm 超小型 32 位 MCU 新成员。