CH32V003F4P6
WCH · CH32V003 Series
Overview
CH32V003F4P6 is a WCH-bit RISC-V MCU from 32, built on the WCH in-house QingKe V2A core (RV32EC), with a maximum clock of 48 MHz, 2 KB of on-chip SRAM, and 16 KB KB of Flash. Typical active power is about 83 µA/MHz.
Core and memory
| Vendor | WCH（Chinese mainland） |
|---|---|
| IP brand / origin | WCH in-house（Chinese mainland） |
| Core | QingKe V2A |
| ISA / bit width | RV32EC · 32 bit |
| Max clock | 48 MHz |
| SRAM | 2 KB |
| On-chip Flash | 16 KB |
Power and electrical
Conditions and notes: The vendor or source notes are in Chinese in the original DS V1.8 表3-6-1/3-7-1/3-8: VDD=3.3V, 25°C, HSI 48MHz, 外设全关 4.0mA → 83µA/MHz（外设全开 6.4mA → 133µA/MHz）; Sleep 48MHz 外设全关 1.7mA; Standby 7.6µA（LSI 关）/9.1µA（LSI 开）; Sleep 唤醒 30µs, Standby 唤醒 200µs
| Supply voltage | 2.7–5.5 V |
|---|---|
| Operating temperature | -40 ℃ ~ 85 ℃ |
| Wake-up time | 30 µs |
Peripherals and interfaces
| UART / USART | 1 way |
|---|---|
| SPI | 1 way |
| I²C | 1 way |
| Op-amp | 1 way |
| DMA | 7 way |
| ADC | 8 channels · 10 bit |
| Other | The vendor or source notes are in Chinese in the original 1x16-bit 高级定时器, 1x16-bit 通用定时器, 2x看门狗, 32-bit SysTick; OPA/CMP 为同一模拟块（未重复计数） |
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 16KB CodeFlash + 1920B BootLoader，产品页/选型表标 17KB；本条目取 16KB 应用区。CH32V003 无 C8T6 型号，实际封装只有 TSSOP20/QFN20/SOP16/SOP8（F4P6/F4U6/A4M6/J4M6）。RV32EC 无硬件乘法器。