UPD75004 データシートの表示（PDF） - NEC => Renesas Technology

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UPD75004

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

CONTENTS

µPD75004, 75006, 75008

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

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

3. PIN FUNCTIONS .............................................................................................................................. 9

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

3.2 NON PORT PINS ................................................................................................................................... 11

3.3 PIN INPUT/OUTPUT CIRCUITS ........................................................................................................... 12

3.4 SELECTION OF MASK OPTION .......................................................................................................... 14

3.5 RECOMMENDED PROCESSING OF UNUSED PINS .......................................................................... 14

3.6 NOTES ON USING THE P00/INT4, AND RESET PINS ...................................................................... 15

4. MEMORY CONFIGURATION .......................................................................................................... 16

5. PERIPHERAL HARDWARE FUNCTIONS ........................................................................................ 20

5.1 PORTS .................................................................................................................................................... 20

5.2 CLOCK GENERATOR CIRCUIT ............................................................................................................ 21

5.3 CLOCK OUTPUT CIRCUIT .................................................................................................................... 22

5.4 BASIC INTERVAL TIMER ..................................................................................................................... 23

5.5 WATCH TIMER ...................................................................................................................................... 24

5.6 TIMER/EVENT COUNTER ..................................................................................................................... 24

5.7 SERIAL INTERFACE .............................................................................................................................. 26

5.8 BIT SEQUENTIAL BUFFER ................................................................................................................... 28

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

7. STANDBY FUNCTIONS .................................................................................................................. 30

8. RESET FUNCTION ........................................................................................................................... 31

9. INSTRUCTION SET ......................................................................................................................... 33

10. ELECTRICAL SPECIFICATIONS ...................................................................................................... 40

11. CHARACTERISTIC CURVES ........................................................................................................... 53

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