25.1 Features

  • Full-Duplex Operation
  • Half-Duplex Operation:
    • One-Wire mode
    • RS-485 mode
  • Asynchronous or Synchronous Operation
  • Supports Serial Frames with Five, Six, Seven, Eight or Nine Data Bits and One or Two Stop Bits
  • Fractional Baud Rate Generator:
    • Can generate the desired baud rate from any system clock frequency
    • No need for an external oscillator
  • Built-In Error Detection and Correction Schemes:
    • Odd or even parity generation and parity check
    • Buffer overflow and frame error detection
    • Noise filtering including false Start bit detection and digital low-pass filter
  • Separate Interrupts for:
    • Transmit complete
    • Transmit Data register empty
    • Receive complete
  • Master SPI Mode
  • Multiprocessor Communication Mode
  • Start-of-Frame Detection
  • IRCOM Module for IrDA® Compliant Pulse Modulation/Demodulation
  • LIN Slave Support