CH344L

WCH
CH344 Datasheet 1 USB to Quad Serial Ports Chip CH344 Datasheet Version: 1E http://wch.cn 1. Introduction CH344 is a USB bus converter chip, which converts USB to quad serial ports UART0/1/2/3, and used to expand serial ports for computer or upgrade directly from normal serial device or MCU to USB bus. 0# UART/RS232/RS485 Computer or Other USB CH344 USB host 1# UART/RS232/RS485 2# UART/...
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Корпус LQFP-48
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CH344 Datasheet 1 USB to Quad Serial Ports Chip CH344 Datasheet Version: 1E http://wch.cn 1. Introduction CH344 is a USB bus converter chip, which converts USB to quad serial ports UART0/1/2/3, and used to expand serial ports for computer or upgrade directly from normal serial device or MCU to USB bus. 0# UART/RS232/RS485 Computer or Other USB CH344 USB host 1# UART/RS232/RS485 2# UART/RS232/RS485 3# UART/RS232/RS485 2. Features l CH344Q integrates 480Mbps high-speed USB device interface, and CH344L integrates 12Mbps full-speed USB device interface. l Built-in firmware, emulate standard UART interface, used to upgrade the original serial peripheral or expand additional UART via USB. l Original serial applications are totally compatible without any modification in Windows operating systems. l Supports free installation OS which built-in CDC driver or multi-functional high-speed VCP vendor driver. l Hardware full duplex UART interface, integrated independent transmit-receive buffer. l CH344Q supports communication baud rate varies from 1200bps to 6Mbps, CH344L supports communication baud rate varies from 1200bps to 230400bps. l UART supports 8 data bits, and supports odd, even and none parity. l Integrated 1024-byte RX FIFO and 512-byte TX FIFO for each UART. l Supports common MODEM signals. l Supports CTS and RTS hardware automatic flow control. l Supports half-duplex, provides sending status TNOW, used for controlling RS485 to transmit-receive switch. l Supports up to 16-channel GPIO input and output function. l Supports RS232/RS485/RS422 interface, through external voltage conversion chip. l Built-in EEPROM used to configure the chip of VID, PID, maximum current value, vendor and PDF
Документация на CH344L 

CH344DS1.pdf

Дата модификации: 02.01.1970

Размер: 331.7 Кб

12 стр.

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    CH224K (WCH)