CH32V407VET6
WCH · CH32V407 Series
Overview
CH32V407VET6 is a WCH-bit RISC-V MCU from 32, built on the WCH in-house QingKe V3V core (RV32IMABCV-X), with a maximum clock of 200 MHz, 200 KB of on-chip SRAM, and 992 KB KB of Flash. Typical active power is about 108 µA/MHz.
Core and memory
| Vendor | WCH（Chinese mainland） |
|---|---|
| IP brand / origin | WCH in-house（Chinese mainland） |
| Core | QingKe V3V |
| ISA / bit width | RV32IMABCV-X · 32 bit |
| Max clock | 200 MHz |
| SRAM | 200 KB |
| On-chip Flash | 992 KB |
Power and electrical
Conditions and notes: The vendor or source notes are in Chinese in the original DS V1.4 表3-6/3-8: VDD=3.3V, 25°C, HSI 200MHz 外设全关 21.5mA → 108µA/MHz（全开 39.1mA；240MHz 全关 24.1mA）; Stop 173µA（稳压器低功耗）/433µA; Standby 1.5µA（RAM 全断电）
| Supply voltage | 2.9–3.6 V |
|---|---|
| Operating temperature | -40 ℃ ~ 85 ℃ |
Peripherals and interfaces
| UART / USART | 10 way |
|---|---|
| SPI | 3 way |
| I²C | 1 way |
| CAN / CAN FD | 1 way |
| USB High-Speed | 2 way |
| Ethernet | 1 way |
| I²S | 2 way |
| SDIO | 1 way |
| LCD controller | 1 way |
| Camera interface | 1 way |
| Op-amp | 1 way |
| Comparator | 1 way |
| Touch | 16 way |
| DMA | 24 way |
| ADC | 16 channels · 12 bit |
| DAC | 2 channels |
| Other | The vendor or source notes are in Chinese in the original RVV 向量扩展；2x USB2.0 HS 480Mbps 内置 PHY；100M ETH MAC + 10/100M PHY；2 组 12-bit ADC、2 组 DAC；LTDC、ARGB、DVP 150MHz、FSMC、SDIO、I3C、RNG；2x12 通道 DMA |
Sources and notes
Confidence:High (official datasheet) · Last verified 2026-11-04
The vendor or source notes are in Chinese in the original Flash 数字冲突：DS 特性页写 992KB CodeFlash，产品页写 512KB；DS 备注说明 512KB 零等待 Flash 中可将 64KB 零等待 SRAM 配置为 Flash（→576KB 零等待 Flash + 136KB 数据），本条目取 DS 的 992KB 总量（含非零等待区）。CH32V467 = V407 + 4MB/8MB 片上 PSRAM。封装 VET6=LQFP100/QFN68(WEU6)/LQFP64(RET6)/QFN32(KEU6)。2026-02-03 发布。