CH32X033F8P6
WCH · CH32X033 Series
Overview
CH32X033F8P6 is a WCH-bit RISC-V MCU from 32, built on the WCH in-house QingKe V4C core (RV32IMAC), with a maximum clock of 48 MHz, 20 KB of on-chip SRAM, and 62 KB KB of Flash. Typical active power is about 62.5 µA/MHz.
Core and memory
| Vendor | WCH（Chinese mainland） |
|---|---|
| IP brand / origin | WCH in-house（Chinese mainland） |
| Core | QingKe V4C |
| ISA / bit width | RV32IMAC · 32 bit |
| Max clock | 48 MHz |
| SRAM | 20 KB |
| On-chip Flash | 62 KB |
Power and electrical
Conditions and notes: The vendor or source notes are in Chinese in the original DS（CH32X035/X033 共用）表3-6/3-8/3-10: VDD=3.3V, 25°C, HSI 48MHz 外设全关 3.0mA → 62.5µA/MHz（全开 4.2mA）; Stop 75µA（HSI 关）; Standby 51µA（IWDG 与 AWU 均关）、528µA（AWU 开）; 唤醒 Sleep 1µs / Stop 10µs / Standby 10µs
| Supply voltage | 2–5.5 V |
|---|---|
| Operating temperature | -40 ℃ ~ 85 ℃ |
| Wake-up time | 1 µs |
Peripherals and interfaces
| UART / USART | 4 way |
|---|---|
| SPI | 1 way |
| I²C | 1 way |
| USB Full-Speed | 1 way |
| ISO 7816 | 1 way |
| Op-amp | 2 way |
| Comparator | 2 way |
| Touch | 10 way |
| DMA | 8 way |
| ADC | 10 channels · 12 bit |
| Other | The vendor or source notes are in Chinese in the original USB2.0 FS 仅设备模式，无 USB Host、无 PD；PIOC 可编程协议 IO；2x16-bit 高级 + 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 CH32X033 是 CH32X035 的裁剪版（TSSOP20、18 GPIO、无 USB Host、无 Type-C PD、CMP 2 个）。官方未单独发布新闻，release_year 取同系列 X035 的 2023 年但未证实，故置 null。