UPD75328GC datasheet(4/66 Pages) NEC

4 / 66 page

µPD75328

CONTENTS

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

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

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

3.1

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

3.2

NON PORT PINS ............................................................................................................................ 10

3.3

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

3.4

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

3.5

SELECTION OF MASK OPTION ................................................................................................... 15

3.6

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

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

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

5.1

PORTS ............................................................................................................................................. 18

5.2

CLOCK GENERATOR CIRCUIT ..................................................................................................... 19

5.3

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

5.4

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

5.5

WATCH TIMER ............................................................................................................................... 22

5.6

TIMER/EVENT COUNTER ............................................................................................................. 22

5.7

SERIAL INTERFACE ....................................................................................................................... 24

5.8

LCD CONTROLLER/DRIVER ......................................................................................................... 26

5.9

A/D CONVERTER .......................................................................................................................... 28

5.10 BIT SEQUENTIAL BUFFER .... 16 BITS ....................................................................................... 29

6. INTERRUPT FUNCTIONS ......................................................................................................... 29

7. STANDBY FUNCTIONS ............................................................................................................ 31

8. RESET FUNCTION .................................................................................................................... 32

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

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

11. CHARACTERISTIC CURVES (REFERENCE VALUE) ............................................................ 53

12. PACKAGE DRAWINGS ........................................................................................................... 59

13. RECOMMENDED SOLDERING CONDITIONS ...................................................................... 61

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