UPD72042A Description
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...
UPD72042A Key Features
- Control of layers 1 and 2 of the IEBus protocol
- Support of a multi-master scheme
- Broadcast function
- Two munication modes having different transmission speeds can be selected
- Microputer interface
- Transfer starting with MSB
- Transfer starting with LSB watchdog timer. : µPD72042A : µPD72042B
- Program crashes can be detected by means of a
- Low power consumption (standby mode)
- Oscillator frequency (f )