UPD780054 データシートの表示（PDF） - NEC => Renesas Technology

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UPD780054

8-BIT SINGLE-CHIP MICROCONTROLLER

NEC => Renesas Technology 

µPD780053, 780054, 780055, 780056, 780058

CONTENTS

1. PIN CONFIGURATION (TOP VIEW) .............................................................................................. 7

2. BLOCK DIAGRAM ......................................................................................................................... 9

3. PIN FUNCTIONS ............................................................................................................................ 10

3.1 PORT PINS .............................................................................................................................................. 10

3.2 OTHER PINS ............................................................................................................................................ 12

3.3 PIN I/O CIRCUITS AND RECOMMENDED CONNECTION OF UNUSED PINS ................................. 14

4. MEMORY SPACE ............................................................................................................................ 18

5. PERIPHERAL HARDWARE FUNCTION FEATURES .................................................................. 19

5.1 PORTS ...................................................................................................................................................... 19

5.2 CLOCK GENERATOR ............................................................................................................................. 20

5.3 TIMER/EVENT COUNTER ...................................................................................................................... 20

5.4 CLOCK OUTPUT CONTROL CIRCUIT ................................................................................................. 23

5.5 BUZZER OUTPUT CONTROL CIRCUIT ................................................................................................ 23

5.6 A/D CONVERTER .................................................................................................................................... 24

5.7 D/A CONVERTER .................................................................................................................................... 25

5.8 SERIAL INTERFACES ............................................................................................................................ 25

5.9 REAL-TIME OUTPUT PORT FUNCTIONS ............................................................................................ 27

6. INTERRUPT FUNCTIONS .............................................................................................................. 28

6.1 INTERRUPT FUNCTIONS ....................................................................................................................... 28

6.2 TEST FUNCTIONS .................................................................................................................................. 32

7. EXTERNAL DEVICE EXPANSION FUNCTIONS .......................................................................... 33

8. STANDBY FUNCTION .................................................................................................................... 33

9. RESET FUNCTION .......................................................................................................................... 33

10. INSTRUCTION SET ......................................................................................................................... 34

11. ELECTRICAL SPECIFICATIONS ................................................................................................... 36

12. PACKAGE DRAWINGS .................................................................................................................. 63

APPENDIX A. DEVELOPMENT TOOLS ........................................................................................... 65

APPENDIX B. RELATED DOCUMENTS ........................................................................................... 68

6

Preliminary Data Sheet

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