# CH552Nano

**Repository Path**: xjtuecho/CH552Nano

## Basic Information

- **Project Name**: CH552Nano
- **Description**: No description available
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: main
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 3
- **Forks**: 1
- **Created**: 2020-12-04
- **Last Updated**: 2023-03-15

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# CH552Nano

A low cost small size USB dev board based on WCH CH552G.

- [User Manual](DOC/CH552Nano用户手册v20.10.26.pdf)
- [Firmware](FW)

CH552G can be replaced by CH551G and CH554G, in fact these models have the same Die.

CH559G/CH558G/CH557G/CH556G can also be soldered on CH552Nano board. Six GPIOs will change in this case.

|  PIN  | CH552G | CH549G |
|:-----:|:------:|:------:|
|   1   |  P3.2  |  P1.1  |
|   7   |  P3.1  |  P3.0  |
|   8   |  P3.0  |  P3.1  |
|   9   |  P1.1  |  P3.4  |
|  10   |  P3.3  |  P2.2  |
|  11   |  P3.4  |  P2.4  |

![正面管脚图](image/03-正面管脚图.jpg "正面管脚图")