CH32V317VCT6
WCH · CH32V317 Series
In production
32 bit · RV32IMAFC
Low-power data
Max clock
144MHz
SRAM
64KB
On-chip Flash
256KB
Active current
85µA/MHz
Sleep current
—
Supply voltage
2.4–3.6V
Overview
CH32V317VCT6 is a WCH-bit RISC-V MCU from 32, built on the WCH in-house QingKe V4F core (RV32IMAFC), with a maximum clock of 144 MHz, 64 KB of on-chip SRAM, and 256 KB KB of Flash. Typical active power is about 85 µA/MHz.
Core and memory
| Vendor | WCH（Chinese mainland） |
|---|---|
| IP brand / origin | WCH in-house（Chinese mainland） |
| Core | QingKe V4F |
| ISA / bit width | RV32IMAFC · 32 bit |
| Max clock | 144 MHz |
| SRAM | 64 KB |
| On-chip Flash | 256 KB |
Power and electrical
Active current
85 µA/MHz
Sleep current
—
Standby / shutdown
1 µA
Conditions and notes: The vendor or source notes are in Chinese in the original 同 V303/305/307 电气表（VDD=3.3V/25°C，HSI 144MHz 外设全关 12.2mA）; 注意 10/100M ETH PHY 模块收发时额外 60.4mA（DS 表4-9，仅 V317，100BASE-TX 有包状态）
| Supply voltage | 2.4–3.6 V |
|---|---|
| Operating temperature | -40 ℃ ~ 85 ℃ |
Peripherals and interfaces
| UART / USART | 8 way |
|---|---|
| SPI | 3 way |
| I²C | 2 way |
| CAN / CAN FD | 2 way |
| USB Full-Speed | 1 way |
| USB High-Speed | 1 way |
| Ethernet | 1 way |
| I²S | 2 way |
| SDIO | 1 way |
| Camera interface | 1 way |
| Op-amp | 4 way |
| Comparator | 4 way |
| Touch | 16 way |
| DMA | 36 way |
| ADC | 16 channels · 12 bit |
| DAC | 2 channels |
| Other | The vendor or source notes are in Chinese in the original 10/100M Ethernet PHY + Gigabit MAC；USB HS 480Mbps；DVP；FSMC；SDIO；RNG；2x18 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 V317 = V307 的 100M PHY 版本（V307 只有 10M PHY）。封装 LQFP100(VCT6)/QFN68(WCU6)。2024-07-24 官方发布。