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ST16C552 - DUAL UART WITH 16-BYTE FIFO AND PARALLEL PRINTER PORT

General Description

The ST16C552/ST16C552A (552/552A) is a dual universal asynchronous receiver and transmitter (UART) with an added bi-directional parallel port that is directly compatible with a CENTRONICS type printer.

Key Features

  • -RXRDYA PLCC Package -RXRDYB 61 60 59 58 57 56 55 54 ERROR 63 -DSRB BIDEN -BUSY SLCT -CDB -CSB GND GND VCC ACK RXB 62 -RIB CLK Added features in device revision "F" and newer:.
  • 5V Tolerant Inputs.
  • Pin to pin and functional compatible to ST16C452/ 452PS, TL16C552.
  • 2.97 to 5.5 volt operation.
  • Software compatible with INS8250, NS16C550.
  • 1.5 Mbps transmit/receive operation (24MHz).
  • 16 byte transmit FIFO.
  • 16 byte receive FIFO with error.

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Other Datasheets by Exar (now MaxLinear)

Part Number Description
ST16C552A DUAL UART WITH 16-BYTE FIFO AND PARALLEL PRINTER PORT
ST16C550 UART WITH 16-BYTE FIFO
ST16C554 QUAD UART WITH 16-BYTE FIFOS
ST16C554D 2.97V TO 5.5V QUAD UART
ST16C580 UART WITH 16-BYTE FIFO AND INFRARED (IrDA) ENCODER/DECODER

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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ST16C552 ST16C552A DUAL UART WITH 16-BYTE FIFO AND PARALLEL PRINTER PORT December 2003 DESCRIPTION The ST16C552/ST16C552A (552/552A) is a dual universal asynchronous receiver and transmitter (UART) with an added bi-directional parallel port that is directly compatible with a CENTRONICS type printer. The parallel port is designed such that the user can configure it as general purpose I/O interface, or for connection to other printer devices. The 552/552A provides enhanced UART functions with 16 byte FIFO’s, a modem control interface, and data rates up to 1.5Mbps. Onboard status registers provide the user with error indications and operational status. The system interrupts and control may be tailored to meet user requirements. An internal loop-back capability allows onboard diagnostics.