SPI to Quad UART TTL Converter Module CH9434M

SKU: CISU-010
  • The SPI to Quad UART TTL Converter Module CH9434M expands serial communication capabilities by providing four full-duplex asynchronous UART interfaces, each compatible with the 16C550 standard.
  • It supports baud rates from 1200 to 40,000,000 bps and features independent FIFO buffers for transmitting and receiving data.
  • With support for common modem signals, RS485 half-duplex, and SPI communication speeds up to 32 Mbit/s, it’s ideal for microcontroller and embedded system applications.
  • This module is perfect for projects that require multiple UART ports, such as industrial automation, data acquisition, and communication systems.

16,00

The SPI to Quad UART TTL Converter Module CH9434M is designed to expand the serial communication capabilities of microcontrollers and embedded systems. It offers four full-duplex asynchronous TTL UART interfaces, each compatible with the 16C550 standard. With support for high-speed communication up to 4 Mbps, this module also includes features like independent FIFO buffers, baud rate flexibility, and built-in support for common modem control signals.

Features:

  • Working Voltage: 3.3V.
  • Baud Rate Support: Configurable baud rate range from 1200 to 40,000,000 bps.
  • Independent FIFO Buffers: Each UART has separate transmit (1536 bytes) and receive (2048 bytes) FIFO buffers.
  • Four Independent UARTs: Fully independent, enhanced 16C550-compatible asynchronous UART interfaces.
  • Data Format: Supports 5, 6, 7, or 8 data bits and 1 or 2 stop bits.
  • Parity Support: Supports odd, even, none, space (0), and mark (1) parity modes.
  • Modem Signals: Supports RTS, DTR, DCD, RI, DSR, and CTTS modem control signals.
  • Half-Duplex RS485: Includes half-duplex RS485 transmit/receive enable pin.
  • SPI Speed: Supports SPI communication speeds up to 32 Mbit/s.

Applications:

  • Microcontroller and Embedded Systems: Expands the serial communication interfaces for embedded projects.
  • Data Acquisition: Ideal for applications requiring multiple UART interfaces for communication with sensors, peripherals, and other devices.
  • RS485 Communication: Suitable for industrial automation systems and long-distance communication using RS485 half-duplex mode.
  • Serial Port Expansion: Perfect for situations where more than one serial port is needed on a system with limited UART ports.
  • Modem and Communication Systems: Useful for connecting and managing multiple modems and serial communication devices.

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