445CHAPTER 19 SERIAL INTERFACE CHANNEL 1Figure 19-15. Repeat Transmission Mode FlowchartADTP : Automatic data transmit/receive address pointerADTI : Automatic data transmit/receive interval specify registerSIO1 : Serial I/O shift register 1StartWrite transmit datain buffer RAMSet ADTP to the value (pointervalue) obtained by subtracting 1from the number of transmitdata bytesSet the transmission/receptionoperation interval time in ADTIWrite any data to SIO1(Start trigger)Write transmit data frombuffer RAM to SIO1Transmission operationPointer value = 0 NoYesDecrement pointer valueSoftware ExecutionHardware ExecutionReset ADTP
