UPD78218A Просмотр технического описания (PDF) - NEC => Renesas Technology

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UPD78218A

8-BIT SINGLE-CHIP MICROCONTROLLER

NEC => Renesas Technology 

µPD78217A, 78218A

CONTENTS

1. DIFFERENCES BETWEEN µPD78218A AND µPD78214 SUBSERIES ..................................................10

2. PIN FUNCTIONS ........................................................................................................................................11

2.1 PORTS .................................................................................................................................................................11

2.2 NON-PORT PINS ................................................................................................................................................12

2.3 PIN I/O CIRCUITS AND UNUSED PIN CONNECTION ...................................................................................13

3. INTERNAL BLOCK FUNCTIONS ..............................................................................................................15

3.1 MEMORY SPACE ...............................................................................................................................................15

3.2 PORTS .................................................................................................................................................................17

3.3 REAL-TIME OUTPUT PORT ..............................................................................................................................19

3.4 TIMER/COUNTER UNIT ....................................................................................................................................20

3.5 A/D CONVERTER ...............................................................................................................................................22

3.6 SERIAL INTERFACE ...........................................................................................................................................24

3.6.1 Asynchronous Serial Interface ........................................................................................................ 25

3.6.2 Clock Synchronous Serial Interface ................................................................................................26

4. INTERNAL/EXTERNAL CONTROL FUNCTION ......................................................................................27

4.1 INTERRUPTS ..................................................................................................................................................... 27

4.1.1 Interrupt Sources ..............................................................................................................................28

4.1.2 Vectored Interrupt .............................................................................................................................30

4.1.3 Macro Service ....................................................................................................................................30

4.1.4 Macro Service Application Examples .............................................................................................31

4.2 LOCAL BUS INTERFACE ...................................................................................................................................33

4.2.1 Memory Expansion ...........................................................................................................................33

4.2.2 Programmable Wait ..........................................................................................................................33

4.2.3 Pseudo-Static RAM Refresh Function ............................................................................................ 33

4.3 STANDBY ...........................................................................................................................................................34

4.4 RESET ..................................................................................................................................................................35

5. INSTRUCTION SET ...................................................................................................................................36

6. ELECTRICAL SPECIFICATIONS ................................................................................................................40

7. PACKAGE DRAWINGS .............................................................................................................................57

8. RECOMMENDED SOLDERING CONDITIONS ........................................................................................59

APPENDIX A. DEVELOPMENT TOOLS .........................................................................................................60

APPENDIX B. RELATED DOCUMENTS .........................................................................................................62

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