USB to Quad UART Bridge Controller CH9344


Introduction

CH9344 is a USB to Quad UART Bridge Controller, which provides 4-channel full duplex UART interfaces UART0/1/2/3, to expand UART interface of computer or upgrade common serial communication devices to USB directly.

Features

  • Operating voltage: 3.3V.
  • USB 2.0 High speed interface.
  • Compatible with 16C550 UART and enhanced.
  • Supports 5, 6, 7 or 8 data bits and 1 or 2 stop bits.
  • Supports odd, even, none, mark, space parity.
  • Supports various common baudrates, up to 6Mbps.
  • Driver support: Windows XP/Vista/Win7/Win8/Win10/Win server/Linux/Android.
  • RoHS compliant LQFP-48 lead-free package.

Packages

Development Information Datasheet: CH9344DS1.PDF Drivers: USBMSER.EXE(Windows driver, supports WIN10/WIN8/WIN7/XP etc.) Schematic: CH9344EVT.ZIP


relation files

file name file content
CH9344EVT.ZIP CH9344 evaluate board manual, schematic and PCB. Used for USB to Quad UARTs, implements extended UARTs on PC and other platforms, or upgrade serial devices to USB port.
CH9342EVT.ZIP CH9342 evaluate board manual, schematic and PCB. Used for USB to Dual UARTs, implements extended UARTs on PC and other platforms, or upgrade serial devices to USB port.