CH340B中文资料沁恒微电子数据手册PDF规格书

特性 Features

● Full-speed USB device interface, compatible with USB V2.0.

● Simulate standard serial port, used to upgrade original serial port peripherals, or add additional serial ports through USB.

● The serial port application under the Windows operating system on the computer side is fully compatible and does not need to be modified.

● Hardware full-duplex serial port, built-in transceiver buffer, supports communication baud rate of 50bps~2Mbps.

● Supports commonly used MODEM contact signals RTS, DTR, DCD, RI, DSR, and CTS.

● Provide RS232, RS485, RS422 and other interfaces through external level conversion devices.

● CH340R chip supports IrDA standard SIR infrared communication and supports baud rate from 2400bps to 115200bps.

● Built-in firmware and software compatible with CH341, you can directly use the VCP driver of CH341.

● Supports 5V power supply voltage and 3.3V power supply voltage.

● CH340C/N/K/E/X/B has built-in clock, no need for external crystal oscillator. CH340B also has built-in EEPROM for configuring serial number, etc.

● Provide SOP-16, SOP-8 and SSOP-20 as well as ESSOP-10 and MSOP-10 lead-free packages, compatible with RoHS.