USB To UART Module, Type-A High Baud Rate Transmission
USB To UART Module, Type-A High Baud Rate Transmission
![](https://www.waveshare.com/img/devkit/accBoard/CH343-USB-UART-Board/CH343-USB-UART-Board-details-1.jpg)
Features:
- Adopts new version CH343G chip. Compared with CH340G, it supports higher data rate (up to 6Mbps) and more serial port IO levels (5V / 3.3V / 2.5V / 1.8V)
- Supports Mac, Linux, Android, Windows 7/8/8.1/10/11
- Onboard resettable Fuse and Transient Voltage Suppressor, anti-overcurrent and anti-overvoltage, anti-surge, anti-static, improve shock resistance, stable and safe communication performance
- Onboard IO protection circuits, anti-surge, anti-static, stable and safe communication performance
- Onboard 3.3V and 5V TTL level switch pins for selecting TTL communication level
- Support 3.3V/5V output (the module is powered by USB, and the onboard jumper should be shorted to 3.3V or 5V accordingly)
- Adopts double-sided black immersion gold process, which is durable and has a good look
Specifications:
HOST INTERFACE | USB |
---|---|
DEVICE INTERFACE | UART |
COMMUNICATION RANGE | 50bps ~ 6Mbps |
USB DEVICE INTERFACE | USB Type-A protection: resettable Fuse, ESD protection |
UART INTERFACE | connector: 6pin right-angle pinheader; protection: IO protection diode |
Multiple Protection Circuit, Safe And Stable
Onboard Resettable Fuse And Transient Voltage Suppressor, Prevent Overcurrent And Overvoltage, Improve Shock Resistance; Onboard IO Protection Circuit, Anti Surge, Anti-Static, Stable And Safe Communication Performance
![](https://www.waveshare.com/img/devkit/accBoard/CH343-USB-UART-Board/CH343-USB-UART-Board-details-3.jpg)
Multiple Systems Support
Compatible With Popular Systems Like Win7/8/8.1/10/11, Mac, Linux, Android...
![](https://www.waveshare.com/img/devkit/accBoard/CH343-USB-UART-Board/CH343-USB-UART-Board-details-11.jpg)
Interface Introduction
![](https://www.waveshare.com/img/devkit/accBoard/CH343-USB-UART-Board/CH343-USB-UART-Board-details-5.jpg)
INDICATOR DESCRIPTION | |
---|---|
PWR | Power indicator, turn on when the voltage is detected from USB interface |
RXD | Receiving indicator, turn on when data is sent back from the device interface |
TXD | Sending indicator, turn on when data is sent from USB |
Pinouts Definition
![](https://www.waveshare.com/img/devkit/accBoard/CH343-USB-UART-Board/CH343-USB-UART-Board-details-9.jpg)
VCC | 5V or 3.3V output for external device (configured by jumper) |
---|---|
GND | Ground |
TXD | Connects to MCU.RXD |
RXD | Connects to MCU.TXD |
RTS# | Connects to MCU.CTS |
CTS# | Connects to MCU.RTS |
Different USB Connectors Are Available
Please Select The Proper One Before Placing Order
![](https://www.waveshare.com/img/devkit/accBoard/CH343-USB-UART-Board/CH343-USB-UART-Board-details-7.jpg)
Outline Dimensions
![](https://www.waveshare.com/img/devkit/accBoard/CH343-USB-UART-Board/CH343-USB-UART-Board-details-size.jpg)
Resources & Services
CH343_USB_UART_Board
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