CH340G “SMD”

CH340G is a series of USB bus adapters, that provides serial, parallel or IrDA interfaces over the USB bus (note: CH340G supports serial interface only). The CH340G integrate circuit provides common MODEM signals to allow adding a UART to a computer, or converting existing UART devices to USB interface.

specificaciones:

Full-speed USB interface, compatible with USB 2.0 interface.
Operates with a minimum amount of external components: a crystal and a minimum of four capacitors.
Provides a virtual serial port for upgrading existing serial port devices or adding serial ports to a PC.
Supports all existing applications using serial ports without the need of changing existing code.
Hardware full-duplex serial interface with internal FIFO. Baud rate range from 50bps to 2Mbps.
Supports common flow control signals RTS, DTR, DCD, RI, DSR and CTS.
Supports RS232, RS422 and RS485 with external level shifting components.
Uses CH341 driver.
Supports 5V and 3.3V operation.
RoHS-compliant narrow body SO-16 package.