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UPD72042A Datasheet Lsi Devices For Inter Equipment Bustm (iebustm) Protocol Control

Manufacturer: NEC (now Renesas Electronics)

Overview: DATA SHEET µPD72042A, 72042B LSI DEVICES FOR Inter Equipment BusTM (IEBusTM) PROTOCOL CONTROL MOS INTEGRATED CIRCUIT The µPD72042A and µPD72042B are microputer peripheral LSI devices for IEBus protocol control. The µPD72042A and µPD72042B perform all the processing required for layers 1 and 2 of the IEBus. The devices incorporate large transmission and reception buffers, allowing the microputer to perform IEBus operations without interruption. They also contain an IEBus driver and receiver, allowing them to directly connected to the bus directly.

Key Features

  • Control of layers 1 and 2 of the IEBus protocol.
  • Support of a multi-master scheme.
  • Broadcast function.
  • Two communication modes having different transmission speeds can be selected. When operating at 6 MHz Mode 0 Mode 1 q q.
  • Microcomputer interface Three-/two-wire serial I/O.
  • Transfer starting with MSB.
  • Transfer starting with LSB watchdog timer. : µPD72042A : µPD72042B.
  • Program crashes can be detected by means of a.

UPD72042A Distributor