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Manufacturer Part #


SC26C92 Series 5 V Dual Universal Asynchronous Receiver/Transmitter -PLCC-44

Mfr. Name: NXP
Standard Pkg:
Product Variant Information section
Date Code: 1949
Product Specification Section
Technical Attributes
Attributes Table
No of Functions / Channels: 2
Interface Circuit Type: Serial
Supply Voltage-Nom: 5V
Package Style:  PLCC-44
Mounting Method: Surface Mount
Features & Applications
The SC26C92 is a pin and function replacement for the SCC2692 and SCN2681 with added features and deeper FIFOs. Its configuration on power up is that of the 2692. Its differences from the 2692 are: 8 character receiver, 8 character transmit FIFOs, watch dog timer for each receiver, mode register 0 is added, extended baud rate and overall faster speeds, programmable receiver and transmitter interrupts. (The SCC2692 is not being discontinued.)

The Philips Semiconductors SC26C92 Dual Universal Asynchronous Receiver/Transmitter (DUART) is a single-chip CMOS-LSI communications device that provides two full-duplex asynchronous receiver/transmitter channels in a single package. It interfaces directly with microprocessors and may be used in a polled or interrupt driven system and provides modem and DMA interface.


  • Dual full-duplex independent asynchronous receiver/transmitters
  • 8 character FIFOs for each receiver and transmitter
  • Automatic wake-up mode for multidrop applications
  • Start-end break interrupt/status
  • 16-bit programmable Counter/Timer
  • Detects break which originates in the middle of a character
  • On-chip crystal oscillator
  • Power down mode
  • Receiver timeout mode
  • Single +5V power supply
  • Powers up to emulate SCC2692
  • Parity, framing, and overrun error detection
  • False start bit detection
  • Line break detection and generation
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Product Variant Information section