UPD6708CX Просмотр технического описания (PDF) - NEC => Renesas Technology

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UPD6708CX

IEBus™ (Inter Equipment Bus™) PROTOCOL CONTROL LSI

NEC => Renesas Technology 

µPD6708

7.2 Slave Transmission ......................................................................................................................................... 44

7.2.1 Data transmission ............................................................................................................................ 44

7.2.2 Transmitting slave status address and lock address ................................................................. 45

7.3 Master Reception ............................................................................................................................................. 45

7.4 Slave Reception ............................................................................................................................................... 46

7.5 Broadcast Reception ....................................................................................................................................... 47

8. EXAMPLE OF HOST CONTROLLER PROCESSING FLOW ................................................................ 48

8.1 Main Routine ..................................................................................................................................................... 48

8.2 Interrupt Service Routine ................................................................................................................................ 49

8.3 Processing Routine ......................................................................................................................................... 50

8.3.1 µPD6708 initialization routine ......................................................................................................... 50

8.3.2 Communication control command processing routine .............................................................. 51

8.3.3 Master transmission processing routine ...................................................................................... 57

8.3.4 Slave data transmission processing routine ............................................................................... 58

8.3.5 Master reception processing routine ............................................................................................ 59

9. ELECTRICAL SPECIFICATIONS ............................................................................................................ 63

10. PACKAGE DRAWINGS ............................................................................................................................ 67

11. RECOMMENDED SOLDERING CONDITIONS ....................................................................................... 69

APPENDIX MAJOR DIFFERENCES BETWEEN µPD6708 AND µPD72042A, µPD72042B ................... 70

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