UPD6708 Overview
The µPD6708 is a peripheral LSI for microcontrollers that controls the protocol of the IEBus. This LSI processes the protocol of the IEBus. Because it is provided with a transmit/receive buffer, the microcontroller can concentrate on the application processing of the IEBus.
UPD6708 Key Features
- Protocol control of IEBus
- Multi-master system
- Broadcast munication function (munication between one unit and multiple units)
- Choice of three modes with different transmission speeds
- On-chip IEBus driver/receiver
- Transmit/receive buffer Transmit: 4-byte FIFO Receive: 20-byte FIFO
- Interface with microcontroller
- Three-line serial I/O (SCK, SO, SI pins)
- Transfer with MSB first
- Oscillation frequency (fX): 12 MHz, 12.58 MHz