355CHAPTER 17 SERIAL INTERFACE CHANNEL 0 (μPD78078 SUBSERIES)1 2 3 4 5 6 7 8 9SCK0 PinD7 D6 D5 D4 D3 D2 D1 D0 ACK BUSYSB0 (SB1) PinProgram ProcessingSerial Reception INTCSI0GenerationACKOutputSerialReceptionHardware OperationProgram ProcessingINTCSI0GenerationACKDSetHardware OperationFFH Writeto SIO0Master Device Processing (Receiver)Transfer LineSlave Device processing (Transmitter)Serial Transmission BUSYOutputREADYDataBUSYClearWriteto SIO0SCK0StopBUSYClear1 2READYBUSY D7 D6ACKTSetSIO0Read Receive data processingFFH Writeto SIO0Writeto SIO0Figure 17-30. Data Transmission from Slave Device to Master Device
