UPD78042F データシートの表示（PDF） - NEC => Renesas Technology

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UPD78042F

8-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

mPD78042F, 78043F, 78044F, 78045F

CONTENTS

1. PIN CONFIGURATION (TOP VIEW) ........................................................................................ 6

2. BLOCK DIAGRAM ..................................................................................................................... 8

3. PINS FUNCTIONS ..................................................................................................................... 9

3.1 PORT PINS ...................................................................................................................................... 9

3.2 PINS OTHER THAN PORT PINS ................................................................................................... 11

3.3 PIN I/O CIRCUITS AND PROCESSING OF UNUSED PINS ........................................................ 13

4. MEMORY SPACE ...................................................................................................................... 16

5. PERIPHERAL HARDWARE FUNCTIONS ............................................................................... 17

5.1 PORTS ............................................................................................................................................. 17

5.2 CLOCK GENERATOR CIRCUIT .................................................................................................... 18

5.3 TIMER/EVENT COUNTER .............................................................................................................. 18

5.4 CLOCK OUTPUT CONTROL CIRCUIT ......................................................................................... 21

5.5 BUZZER OUTPUT CONTROL CIRCUIT ....................................................................................... 21

5.6 A/D CONVERTER ........................................................................................................................... 22

5.7 SERIAL INTERFACE ...................................................................................................................... 22

5.8 FIP CONTROLLER/DRIVER .......................................................................................................... 24

6. INTERRUPT FUNCTION AND TEST FUNCTION .................................................................... 26

6.1 INTERRUPT FUNCTION................................................................................................................. 26

6.2 TEST FUNCTION ............................................................................................................................ 29

7. STANDBY FUNCTION ............................................................................................................... 30

8. RESET FUNCTION .................................................................................................................... 30

9. INSTRUCTION SET ................................................................................................................... 31

10. ELECTRICAL SPECIFICATIONS ............................................................................................. 34 5

11. CHARACTERISTIC CURVE (REFERENCE VALUE) .............................................................. 58 5

12. PACKAGE DRAWING ............................................................................................................... 63

13. RECOMMENDED SOLDERING CONDITIONS ........................................................................ 64

5

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

APPENDIX B RELATED DOCUMENTS ......................................................................................... 67

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