Description
CH32X035G8U6 USB microcontroller with PD Protocol QFN28
Overview & Core Specs
The CH32X035G8U6 is an industrial-grade microcontroller from WCH (Jiangsu Qin Heng). It is based on their custom QingKe RISC-V V4C core and excels in integration, particularly for USB-C / USB Power Delivery applications. It comes in a compact QFN-28 (4 × 4 mm) package.
Memory & CPU
-
Flash Memory: Approx. 62 KB CodeFlash
-
SRAM: 20 KB volatile memory
-
Core: 32-bit RISC-V QingKe V4C
-
Instructions: RV32IMAC with support for single-cycle multiply/divide and branch prediction
Operating Frequency & Voltage
Peripherals & Interfaces
-
USB: Full-speed USB 2.0 controller + integrated PHY, supporting both Device and Host modes
-
USB Power Delivery (PD) and Type-C PHY, including support for Source, Sink, and DRP (Dual-Role-Port) options
-
Timers: Two 16-bit advanced control timers (with dead-time feature), one general-purpose timer, SysTick (64-bit), plus independent and window watchdogs
-
DMA: 8-channel general-purpose DMA controller
-
PIOC: Programmable I/O Controller, versatile for custom interface protocols
-
Analog Features:
-
12-bit ADC (10 external channels + 1 internal)
-
2 Operational Amplifiers (OPAs/PGA)
-
3 Voltage Comparator groups (CMP)
-
Touch-key: 10 channels (plus 1 internal channel)
-
Communications Interfaces:
-
4× USART (supports LIN and ISO7816)
-
1× I²C (supports SMBus/PMBus)
-
1× SPI
-
Up to ~27 GPIOs, with up to 24 capable of external interrupts
-
Security: Contains a unique chip ID for identification
-
Debugging: 2-wire serial debug (SDI) interface
Feature Summary Table
| Feature |
Specification / Description |
| Core |
QingKe RISC-V V4C, RV32IMAC |
| Clock |
Up to 48 MHz |
| Flash / SRAM |
~62 KB Flash, 20 KB SRAM |
| Supply Voltage |
3.3 V or 5 V |
| USB |
USB2.0 FS Host/Device + PD + Type-C support |
| Timers |
2 advanced (dead-time) + general-purpose + SysTick + watchdogs |
| DMA |
8-channel DMA |
| Analog |
ADC (12-bit, 10 ext + 1 int), 2× OPA/PGA, 3× CMP |
| Touch-key |
10 channels |
| Comm. Interfaces |
4× USART, 1× I²C, 1× SPI |
| GPIO |
~27 pins (24 external interrupts supported) |
| Security / Debug |
Unique ID, 2-wire SDI |
Why Choose CH32X035G8U6?
If you’re designing a smart device or power electronics project with native USB-C and Power Delivery support, this MCU offers a powerful yet compact solution. Its integration of analog, ADC, programmable IO, and security features alongside rich communication interfaces makes it highly versatile. The inclusion of USB PD and Type-C physics reduces external components significantly.
Reviews
There are no reviews yet.