UPD75112FGF-XXX-3BE View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD75112FGF-XXX-3BE

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75108F,75112F,75116F

CONTENTS

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

2. BLOCK DIAGRAM .................................................................................................................................. 7

3. PIN FUNCTIONS .................................................................................................................................... 8

3.1 PORT PINS ..................................................................................................................................................... 8

3.2 OTHER PINS ................................................................................................................................................... 9

3.3 PIN INPUT/OUTPUT CIRCUITS ................................................................................................................... 10

3.4 RECOMMENDED CONNECTION OF UNUSED PINS ................................................................................. 11

3.5 PRECAUTIONS CONCERNING P00/INT4 PIN AND RESET PIN ............................................................... 12

4. MEMORY CONFIGURATION ................................................................................................................ 13

5. PERIPHERAL HARDWARE FUNCTIONS .............................................................................................. 18

5.1 DIGITAL INPUT/OUTPUT PORTS ................................................................................................................ 18

5.2 CLOCK GENERATOR ..................................................................................................................................... 19

5.3 CLOCK OUTPUT CIRCUIT ............................................................................................................................. 20

5.4 BASIC INTERVAL TIMER .............................................................................................................................. 21

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

5.6 SERIAL INTERFACE ....................................................................................................................................... 23

5.7 PROGRAMMABLE THRESHOLD PORT (ANALOG INPUT PORT) ............................................................ 25

5.8 BIT SEQUENTIAL BUFFER ........................................................................................................................... 26

6. INTERRUPT FUNCTION ........................................................................................................................ 27

7. STANDBY FUNCTION ........................................................................................................................... 29

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

9. INSTRUCTION SET ................................................................................................................................ 32

10. APPLICATION EXAMPLE ...................................................................................................................... 41

10.1 CORDLESS TELEPHONE (SUBSET) ............................................................................................................ 41

10.2 DISPLAY PAGER ............................................................................................................................................ 42

11. MASK OPTION SELECTION .................................................................................................................. 43

12. ELECTRICAL SPECIFICATIONS ............................................................................................................ 44

12.1 WHEN Ta = –40 to +50 °C, VDD = 2.7 to 5.0 V ........................................................................................... 45

12.2 WHEN Ta = –40 to +60 °C, VDD = 2.8 to 5.0 V ........................................................................................... 55

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