Overview
CH340 is a USB bus converter chip which converts USB to serial port or printer port. In UART mode, CH340 provides standard MODEM signals, used to extend serial port for computers, or upgrade directly from normal serial device to USB bus.
Features
- Full-speed USB device interface, USB 2.0 compatible.
- Emulate standard UART interface, used to upgrade the original serial peripheral or expand additional UART via USB.
- Original UART applications are totally compatible without any modification in Windows operating systems.
- Hardware full duplex UART interface, integrated transmit-receive buffer, supports communication baud rate varies from 50bps to 2Mbps.
- Supports 5V and 3.3V power supply voltages.
Specifications
- AW9523B – a 16 multi-function LED driver and GPIO controller
- Headers for P0, P1, VDD, GND, easy to use
- Headers for I2C, VDD, GND, Reset & AD0/1, easy to connect with MCU
- Qwiic connector x 2, easy to debug & use
- Dimension: 44 x 18 x 5 mm
Hardware
| Pin | Description | Note |
|---|---|---|
| 5V0 | Power Suppy 5.0V | |
| GND | Ground | |
| 3V3 | Power Suppy 3.3V, Max 0.8A | |
| GND | Ground | |
| TXD | UART interface Serial Data output pin | Connected with ESP32’s RX |
| RXD | UART interface Serial Data input pin | Connected with ESP32’s TX |
| BOOT | Connected with MCU Boot Control Pin | |
| EN | Hardware Reset Output Pin, Low Reset | Connected with ESP32’s EN |
User Guide
CIC CH340X Breakout is used to program STM32, CH32Vxx, ESP32 & ESP8266.
Resources
Documents
| Weight | 0.02 kg |
|---|---|
| Dimensions | 44 × 18 × 5 cm |
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Please Visit:
https://xpulabs.github.io/products/amnos/interface/cic_usb0001_ch340x.html
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