Full speed USB device interface, USB 2.0 compatible.Emulate standard UART interface, used to upgrade the original serial devices or expand additional UART via USB.Original UART applications are totally compatible without any modification.Hardware full duplex serial UART interface, integrated transmit-receive buffer, supports communication baudrates varies from 50bps to 2Mbps.Supports common MODEM interface signals RTS, DTR, DCD, RI, DSR and CTS.Provides further RS232, RS485, RS422 interface, etc. through external voltage conversion chip.CH340R supports IrDA specification SIR infrared communication, supports baudrates varies from 2400bps to 115200bps.Software compatible with CH341, customers can use driver of CH341 directly.Supports 5V and 3.3V power supply even supports as low as 3V.CH340C/N/K/E and CH340B integrate 12MHz clock, no external crystal required, CH340B also integrates EEPROM used to configure the serial number, etc.RoHS compliant SOP-16, SOP-8, SSOP-20 and ESSOP-10, MSOP-10 lead-free package.
