UART supports 5, 6, 7 or 8 data bits, and supports odd, even, space, mark and none parity.
Hardware full duplex UART interface, integrated transmit-receive buffer, supports communication baud rate varies from 50bps to 2Mbps.Original UART applications are totally compatible without any modification in Windows operating systems.Emulate standard UART interface, used to upgrade the original serial peripheral or expand additional UART via USB.Only compatible with the applications, and cannot be absolutely the same.RoHS compliant SOP-28, SSOP-20 and QFN28 lead-free package.Low cost, convert the original serial port peripheral devices, the original print port printer, and the original parallel port peripheral devices to USB directly.Optional: customize the vendor ID, product ID, serial number, etc.Supports 5V and 3.3V power supply voltages.Full speed USB device interface, USB 2.0 compatible.
In addition, CH341B/F/A support commonly used synchronous serial interface such as 2-line interface (SCL line, SDA line) and 4-line interface (CS line, SCK/CLK line, MISO/SDI/DIN Line, MOSI/SDO/DOUT line), etc. In parallel port mode, CH341 provides an 8-bit parallel interface in EPP mode or MEM mode for input and output data directly without a microcontroller/DSP/MCU. In printer port mode, CH341 provides a standard USB print port compatible with USB-related specifications and the Windows operating system for upgrading a print port printer directly to the USB. In UART mode, CH341 provides UART transmit enable, UART receive ready rate control signals, etc., and standard MODEM interface signals, used to expand serial port for computer or upgrade directly normal serial device to USB bus. CH341 is a USB bus converter chip which converts USB to serial port, printer port, parallel port, and common 2/4-line synchronize serial communication interfaces etc.
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