Features:

• Full-speed USB device interface, USB 2.0 compatible.
• Emulate standard UART interface, used to upgrade the original serial peripheral or expand additional UART via USB.
• Original UART applications are totally compatible without any modification in Windows operating systems.
• Hardware full duplex UART interface, integrated transmit-receive buffer, supports communication baud rate 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 criterion SIR infrared communication, supports baud rate varies from 2400bps to 115200bps.
• Built-in firmware, software compatible with CH341, use VCP driver of CH341 directly.
• Supports 5V and 3.3V power supply voltages.
• CH340C/N/K/E/X/B have integrated 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.