Datasheet4U Logo Datasheet4U.com

CH344 - USB to Quad Serial Ports Chip

General Description

Part No.

7mm 0.5mm 19.7mil Standard LQFP 48-pin patch CH344Q LQFP48 7 7mm 0.5mm 19.7mil Standard LQFP 48-pin patch CH344L Note: The USB transceiver of CH344 is designed according to the built-in design of USB2.0, and it is recommended that no external resistor is in series

Key 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.

📥 Download Datasheet

Datasheet Details

Part number CH344
Manufacturer Unknown Manufacturer
File Size 331.68 KB
Description USB to Quad Serial Ports Chip
Datasheet download datasheet CH344 Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
CH3440 Power Transistors RCA
CH340BPT SCHOTTKY BARRIER RECTIFIER Chenmko Enterprise
CH340G USB to UART Interface Androegg
CH340G USB to UART Interface DreamCity
CH340RDWPT SCHOTTKY BARRIER DIODE Chenmko Enterprise

Other Datasheets by Unknown Manufacturer

Part Number Description
CH340 USB to serial chip
CH341 USB bus converter
CH341A USB bus convert
CH342 USB to Dual Serial Ports
CH343 USB to High-Speed Serial Chip

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
CH344 Datasheet 1 USB to Quad Serial Ports Chip CH344 1. Introduction Datasheet Version: 1E http://wch.cn 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. Computer or Other USB USB host CH344 0# UART/RS232/RS485 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.