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CH343P USB to Serial/TTL UART Module
The CH343P USB to Serial/TTL UART Module is a value-for-money usb interface module designed for everyday users. It features Item Type: USB to UART / USB to TTL Serial Converter Module and Model No. / Name: CH343P.
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About This Product
The CH343P USB to Serial/TTL UART Module is a value-for-money usb interface module designed for everyday users. It delivers reliable performance at an accessible price.
Key Specifications
- Item Type: USB to UART / USB to TTL Serial Converter Module
- Model No. / Name: CH343P
- Supply Voltage: 3.3V to 5V — works with standard household power
- Baud Rate (bps): 50 bps – 6 Mbps
- Compatibility: USB V2.0
- Data Bit: 5, 6, 7, 8
- Operating Voltage (V): USB : 5 / 3.3 — works with standard household power
- UART I/O Voltage: 1.8V to 5V — works with standard household power
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The CH343P USB to Serial Converter High-Speed Asynchronous Serial Module is a powerful and flexible USB-to-serial solution designed for modern development and industrial applications. Built around the CH343 chip, it allows seamless conversion between USB and high-speed UART communication with stable full-duplex performance up to 6 Mbps.
USB to Serial Converter With built-in firmware that emulates a standard serial port, it works smoothly with existing serial applications on Windows without any code changes. Supporting multiple voltage levels, MODEM control signals, RS485 direction control, and configurable EEPROM parameters, this module is ideal for upgrading MCUs, debugging embedded systems, and expanding serial connectivity via USB.
Features:
- USB 2.0 full-speed device interface
- Built-in firmware emulating a standard serial (COM) port
- Supports CDC class driver and high-rate VCP vendor driver
- Baud rate support from 50 bps to 6 Mbps
- Automatic baud rate recognition up to 115200 bps
- Full-duplex UART with independent TX/RX buffers
- Supports RTS, CTS, DTR, DSR, DCD, and RI signals





