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ST162552 - DUAL ASYNCHRONOUS RECEIVER/TRANSMITTER WITH FIFOs

General Description

The ST16C2552 is a dual asynchronous receiver and transmitter with 16 byte transmit and receive FIFOs.

Independent programmable baud rate generators are provided to select transmit and receive clock rates from 50Hz to 1.5 MHz for each UART.

Key Features

  • TXRDYA.
  • Pin to pin and functional compatible to National NS16C552.
  • 16 byte transmit FIFO.
  • 16 byte receive FIFO with error flags.
  • Modem control signals (CTS.
  • , RTS.
  • , DSR.
  • , DTR.
  • , RI.
  • , CD.
  • ).
  • Programmable character lengths (5, 6, 7, 8) bits.
  • Even, odd, or no parity bit generation and detection.
  • Status report register.
  • TTL compatible inputs, outputs.
  • Independent transmit and receive control.
  • Software compatible with INS825.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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STARTECH An Company ST16C2552 Printed December 17, 1996 DUAL ASYNCHRONOUS RECEIVER/TRANSMITTER WITH FIFOs DESCRIPTION The ST16C2552 is a dual asynchronous receiver and transmitter with 16 byte transmit and receive FIFOs. Independent programmable baud rate generators are provided to select transmit and receive clock rates from 50Hz to 1.5 MHz for each UART. The on board status registers of the ST16C2552 provide the error conditions, type and status of the transfer operation being performed. Complete MODEM control capability and a processor interrupt system that may be software tailored to the user’s requirements are included. The ST16C2552 provides internal loop-back capability for on board diagnostic testing.