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UPD72042B

Part Number	UPD72042B
Manufacturer	NEC
Description	LSI DEVICES
Published	Apr 16, 2005
Detailed Description	DATA SHEET MOS INTEGRATED CIRCUIT µPD72042A, 72042B LSI DEVICES FOR Inter Equipment BusTM (IEBusTM) PROTOCOL CONTROL Th...
Datasheet	UPD72042B PDF File

Overview

DATA SHEET MOS INTEGRATED CIRCUIT µPD72042A, 72042B LSI DEVICES FOR Inter Equipment BusTM (IEBusTM) PROTOCOL CONTROL The µPD72042A and µPD72042B are microcomputer 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 microcomputer to perform IEBus operations without interruption.
They also contain an IEBus driver and receiver, allowing them to directly connected to the bus directly.
FEATURES • Control of layers 1 and 2 of the IEBus protocol • Support of a multi-master scheme • Broadcast function • Two communication mode...

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