UPD753012 datasheet(3/80 Pages) NEC

3 / 80 page

µPD753012, 753016, 753017

CONTENTS

PIN CONFIGURATION (TOP VIEW) ................................................................................................... 5

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

PIN FUNCTION .................................................................................................................................... 8

3.1

Port Pins ...................................................................................................................................... 8

3.2

Pins Other than Port Pins ........................................................................................................ 10

3.3

Pin Input/Output Circuits ......................................................................................................... 12

3.4

Recommended Connection for Unused Pins ......................................................................... 14

SWITCHING FUNCTION BETWEEN MK I MODE AND MK II MODE ...................................... 15

4.1

Differences between Mk I Mode and Mk II Mode .................................................................... 15

4.2

Setting Method of Stack Bank Select Register (SBS) ........................................................... 16

MEMORY CONFIGURATION ............................................................................................................ 17

PERIPHERAL HARDWARE FUNCTIONS ....................................................................................... 21

6.1

Digital Input/Output Ports ........................................................................................................ 21

6.2

Clock Generator ........................................................................................................................ 22

6.3

Subsystem Clock Oscillator Control Functions .................................................................... 23

6.4

Clock Output Circuit ................................................................................................................. 24

6.5

Basic Interval Timer/Watchdog Timer ..................................................................................... 25

6.6

Watch Timer .............................................................................................................................. 26

6.7

Timer/Event Counter ................................................................................................................. 27

6.8

Serial Interface .......................................................................................................................... 31

6.9

LCD Controller/Driver ............................................................................................................... 33

6.10 Bit Sequential Buffer … 16 Bits ............................................................................................... 35

INTERRUPT FUNCTION AND TEST FUNCTION ........................................................................... 36

STANDBY FUNCTION ....................................................................................................................... 38

RESET FUNCTION ............................................................................................................................ 39

10. MASK OPTION .................................................................................................................................. 42

11. INSTRUCTION SETS AND THEIR OPERATIONS ........................................................................ 43

12. ELECTRICAL SPECIFICATIONS ...................................................................................................... 55

13. PACKAGE DRAWINGS ..................................................................................................................... 68

14. RECOMMENDED SOLDERING CONDITIONS ................................................................................ 70

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