UPD75106CW データシートの表示（PDF） - NEC => Renesas Technology

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UPD75106CW

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

CONTENTS

µPD75104, 75106, 75108

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

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

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

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

3.2 PINS OTHER THAN PORTS ................................................................................................................. 10

3.3 PIN INPUT/OUTPUT CIRCUITS ........................................................................................................... 11

3.4 RECOMMENDED PROCESSING OF UNUSED PINS .......................................................................... 12

3.5 NOTES ON USING THE P00/INT4, AND RESET PINS ...................................................................... 13

4. MEMORY CONFIGURATION .......................................................................................................... 14

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 TIMER/EVENT COUNTER ..................................................................................................................... 23

5.6 SERIAL INTERFACE .............................................................................................................................. 25

5.7 PROGRAMMABLE THRESHOLD PORT (ANALOG INPUT PORT) .................................................... 27

5.8 BIT SEQUENTIAL BUFFER .... 16 BITS ............................................................................................... 28

5.9 POWER-ON FLAG (MASK OPTION) .................................................................................................... 28

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

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

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

9. INSTRUCTION SET ......................................................................................................................... 34

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