72001 Multi-Protocol Controller

72001 MPSC Controller (Multi-Protocol Serial Communication Controller) is a general-purpose communication controller which consists of two sets of bi-directional parallel / serial converter circuits for data communication.

Description

Benefits:

  • Controller has facilities for modem controls in both channels
  • Controller modem signals are not used then they can be used as general purpose I/O

Highlights:

  • Compatible with uPD72001 and 85C30
  • Controller supports all three serial protocols (UART, Mono-Sync, Bi-Sync, HDLC and SDLC)

Features:

  • Hardware features

    • Transmit buffer (2 Byte Depth)
    • Receive buffer (4 Byte Depth)
    • Interrupt control function
    • DMA request: 2 for TX and 2 for Rx
    • Overrun error detection
    • Baud rate generator
    • Self-loop back test function
    • DPLL supported

  • Communication protocol features

    • Start-stop synchronization
    • Character oriented protocol (COP) – Mono-sync, Bi-sync, External sync
    • Bit oriented protocol (BOP) – HDLC, SDLC, SDLC Loop
    • Processing data format

Target Applications:

  • Controller supports virtually any other serial protocol for application other than data communications
  • SECS Protocol
  • TTY Protocol
  • X.25 Protocol
  • HDLC ABM Protocol

 

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