2.5 V to 3.3 V UART, 16 mode or 68 mode parallel bus interface


Product Details

Select a section:


  • Single channel high performance UART
  • Intel or Motorola bus interface selectable using 16/68 pin
  • 2.5 V to 3.3 V operation
  • Up to 5 Mbit/s data rate
  • 128-byte transmit FIFO to reduce the bandwidth requirement of the external CPU
  • 128-byte receive FIFO with error flags to reduce the bandwidth requirement of the external CPU
  • 128 programmable Receive and Transmit FIFO interrupt trigger levels
  • 128 Receive and Transmit FIFO reporting levels (level counters)
  • Automatic software (Xon/Xoff) and hardware (RTS/CTS or DTR/DSR) flow control
  • Industrial temperature range (–40 ℃ to +85 ℃)
  • 128 hardware and software trigger levels
  • Automatic 9-bit mode (RS-485) address detection
  • Automatic RS-485 driver turn-around with programmable delay
  • UART software reset
  • High resolution clock prescaler, from 0 to 15 with granularity of 1/16 to allow non-standard UART clock to be used
  • Programmable Xon/Xoff characters
  • Software selectable baud rate generator
  • Support IrDA version 1.0 (up to 115.2 kbit/s)
  • Standard modem interface or infrared IrDA encoder/decoder interface
  • Enhanced Sleep mode and low power feature
  • Modem control functions (CTS, RTS, DSR, DTR, RI, CD)
  • Independent transmitter and receiver enable/disable
  • Pb-free, RoHS compliant package offered


Quick reference to our documentation types.

3 documents

Design Resources

Select a section:

Engineering Services

3 engineering services

To find a complete list of our partners that support this product, please see our Partner Marketplace.


What do you need help with?