CH340G USB to Serial IC

CH340G USB to Serial IC

Features
● Full speed USB device interface, conforms to USB Specification Version 2.0, only needs crystal and
capacitance external.
● Emulate standard serial interface, used to upgrade the former peripheral device, or add excess serial
interface through USB.
● Totally compatible with serial application program in computer endpoint Windows operation system.
● Hardware full duplex serial interface, set transceiver buffer, supports communication baud rate varies
from 50bps to 2Mbps.
● Supports common MODEM liaison signal RTS, DTR, DCD, RI, DSR and CTS.
● Through adding level converter equipment to supply RS232, RS485, RS422 and other interface.
● Supports IrDA criterion SIR infrared communication, supports baud rate varies from 2400bps to
115200bps.
● For it is through USB converts to serial interface, only compatible with application layer not totally.
● Software compatible with CH341, using drive of CH341 directly.
● Support 5V and 3.3V source voltage.
● Supply SSOP-20 package without lead, compatible with RoHS

datasheet : https://www.olimex.com/Products/Breadboarding/BB-CH340T/resources/CH340DS1.PDF