CH341A Programmer Module
The CH341A Programmer Module is a versatile USB-based device designed for reading, writing, and erasing various EEPROM and SPI flash memory chips. It supports a wide range of 24 and 25 series chips, making it an essential tool for firmware development, BIOS flashing, and microcontroller programming. With support for multiple communication protocols, including UART, I²C, and SPI, this module offers flexibility for various applications. Its compact design and USB interface ensure easy integration into development workflows.
Features
- Supports 24 series EEPROM and 25 series SPI flash 8-pin/16-pin chips.
- USB to UART, I²C, and SPI interface conversion.
- Selectable operating voltage of 3.3V or 5V via jumper.
- Automatic chip recognition for 25 series devices.
- Compatible with various programming software tools.
- LED indicators for power and operation status.
- Compact and portable design for ease of use.
Specifications
| Parameter | Value |
|---|---|
| Supported Chips | 24 series EEPROM, 25 series SPI flash |
| Interfaces | USB to UART/I²C/SPI |
| Operating Voltage | 3.3V / 5V (selectable via jumper) |
| USB Interface | USB 2.0 |
| Dimensions | 70mm x 30mm x 15mm |
| Supported Protocols | UART, I²C, SPI |
| Software Compatibility | CH341A Programmer, AsProgrammer, etc. |
PINOUT
Applications
- BIOS flashing and recovery for motherboards.
- Firmware development and debugging.
- Microcontroller programming and interfacing.
- EEPROM and SPI flash memory manipulation.
- Educational purposes and electronics prototyping.
Package Contents
- 1x CH341A Programmer Module.
- 1x PCB Board.
- 1x 2.54mm 8-Pin Headers.





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