CH9344 USB to Quad Serial Ports Chip IC

CH9344 USB to Quad Serial Ports Chip IC

CH9344 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.

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• Operating voltage: 3.3V.
  

• High-speed USB 2.0 interface, peripheral components only need crystal and capacitor.
  

• Compatible with 16C550 UART with enhanced.
  

• Supports 5, 6, 7 or 8 data bits and 1 or 2 stop bits.
  

• Supports odd, even, none, space and mark parity.
  

• Supports RTS and CTS hardware automatic flow control.
  

• Supports half-duplex, supports RS485 switching in sending status, this function is enabled default.
  

Applications of CH9344 USB to Quad Serial Ports Chip IC

• Multi-port Serial Communication: Used in devices that require multiple serial ports, such as modems, routers, and communication hubs.
  

• Industrial Automation: Suitable for industrial control systems where multiple serial devices need to be connected and managed simultaneously.
  

• Embedded Systems: Ideal for microcontroller-based projects that require multiple UART interfaces.
  

• Test and Measurement Equipment: Useful in test setups that require multiple serial connections for data logging, monitoring, or control.
  

Package Includes

• 1 x CH9344 USB to Quad Serial Ports Chip IC