


Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
| Attributes | Value | |
|---|---|---|
| Category | Embedded Processors & Controllers/Microcontrollers (MCU/MPU/SOC) | |
| Manufacturer | WCH(Jiangsu Qin Heng) | |
| Package | QFN-20(3X3) | |
| Operating Temperature | -40℃~+85℃ | |
| Program Memory Type | FLASH | |
| CPU Core | RISC-V2A | |
| RAM Size | 2KB | |
| Number of I/O | 18 | |
| Oscillator Type | Built-in+External | |
| CPU Maximum Speed | 48MHz | |
| Program Storage Size | 16KB | |
| Voltage - Supply | 3.3V、5V | |
| Core Size | 32 Bit | |
| ADC (Bit) | 10bit |

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
CH32V003F4U6 technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Embedded Processors & Controllers/Microcontrollers (MCU/MPU/SOC) | |
| Manufacturer | WCH(Jiangsu Qin Heng) | |
| Package | QFN-20(3X3) | |
| Operating Temperature | -40℃~+85℃ | |
| Program Memory Type | FLASH | |
| CPU Core | RISC-V2A | |
| RAM Size | 2KB | |
| Number of I/O | 18 | |
| Oscillator Type | Built-in+External | |
| CPU Maximum Speed | 48MHz | |
| Program Storage Size | 16KB | |
| Voltage - Supply | 3.3V、5V | |
| Core Size | 32 Bit | |
| ADC (Bit) | 10bit |
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the CH32V003F4U6. Sign up to receive and start your assembly today →
Step 1 - Pre-order the parts you need from JLCPCB.
Step 2 - Place a PCBA order to have those parts assembled onto your boards.
Step 3 - JLCPCB manufactures and assembles your boards in as fast as 3 days.

CH32V003F4U6 datasheets or manufacturer documentation.
Datasheet: CH32V003F4U6 Datasheet (PDF)
The CH32V003F4U6 schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.