UPD75212ACW データシートの表示（PDF） - NEC => Renesas Technology

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UPD75212ACW

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75212A

CONTENTS

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

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

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

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

3.2 NON-PORT PINS .................................................................................................................................................. 10

3.3 PIN INPUT/OUTPUT CIRCUIT LIST .................................................................................................................... 11

3.4 UNUSED PINS TREATMENT .............................................................................................................................. 12

3.5 P00/INT4 PIN AND RESET PIN OPERATING PRECAUTIONS ......................................................................... 13

3.6 XT1, XT2 AND P50 PIN OPERATING PRECAUTIONS ..................................................................................... 13

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

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

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

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

5.3 BASIC INTERVAL TIMER ..................................................................................................................................... 19

5.4 WATCH TIMER ...................................................................................................................................................... 20

5.5 TIMER/EVENT COUNTER ................................................................................................................................... 21

5.6 TIMER/PULSE GENERATOR ............................................................................................................................... 22

5.7 SERIAL INTERFACE ............................................................................................................................................. 23

5.8 FIP CONTROLLER /DRIVER ................................................................................................................................ 25

5.9 POWER-ON FLAG (MASK OPTION) ................................................................................................................... 27

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

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

8. RESET FUNCTIONS .................................................................................................................................. 31

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

10. MASK OPTION SELECTION .................................................................................................................... 43

11. APPLICATION BLOCK DIAGRAM ............................................................................................................ 44

11.1 VCR TIMER TUNER ............................................................................................................................................. 44

11.2 CD PLAYER .......................................................................................................................................................... 45

11.3 ECR ....................................................................................................................................................................... 45

12. ELECTRICAL SPECIFICATIONS ............................................................................................................... 46

13. CHARACTERISTIC CURVES .................................................................................................................... 59

14. PACKAGE INFORMATION ....................................................................................................................... 63

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