Evaluation Board for XR20M1280 I2C/SPI UART Interface

Mfr Part#: XR20M1280L24-0A-EB
Packaging:  BULK
Std Packaging Qty:  1



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$42.31 USD (each)
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Product Highlight

  • Type: Serial/UART (TTL,RS-232/422/485)
  • Core Supported: XRM20M128

The XR20M1280L24-0A-EB is a single-channel I2C/SPI Universal Asynchronous Receiver and Transmitter (UART) Interface with integrated level shifters and 128 bytes of transmit and receive FIFOs.

The XR20M1280 is a I2C or SPI UART that has programmable transmit and receive FIFO trigger levels, automatic hardware and software flow control and data rates of upto 24 Mbps.


  • Integrated Level Shifters on CPU interface, UART and GPIO signals
  • Selectable I2C/SPI bus interface
  • 26MHz maximum SPI clock
  • 24Mbps maximum UART data rate
  • Up to 16 GPIOs
  • 128-Bytes TX and RX FIFOs
  • Programmable TX/RX trigger levels
  • TX/RX FIFO Level Counters
  • Independent TX/RX Baud Rate Generator
  • Fractional Baud Rate Generator
  • Auto RTS/CTS Hardware Flow Control
  • Auto XON/XOFF Software Flow Control
  • Auto RS-485 Half-Duplex Direction Control
  • Multidrop mode with Auto Address Detect (RX)
  • Multidrop mode with Address Byte Control (TX)
  • Sleep Mode with Automatic Wake-up
  • Infrared (IrDA 1.0 and 1.1) mode
  • 1.62 V to 3.63 V supply operation
  • 5 V tolerant inputs
  • Crystal oscillator or external clock input


  • Personal Digital Assistants (PDA)
  • Cellular Phones/Data Devices
  • Battery-Operated Devices
  • Global Positioning System (GPS)
  • Bluetooth

View the XR20M1280 Series of I2C/SPI UART

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