µPD178046, 178048

Preliminary Product Information

9

TABLE OF CONTENTS

1.

PIN FUNCTIONS ...........................................................................................................................

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1.1

Port Pins ...............................................................................................................................

10

1.2

Pins Other Than Port Pins .................................................................................................

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1.3

I/O Circuits of Respective Pins and Recommended Connection of Unused Pins ....

12

2.

MEMORY SPACE ..........................................................................................................................

15

2.1

Memory Size Select Register (IMS) ..................................................................................

16

2.2

Internal Expansion RAM Size Select Register (IXS) ......................................................

17

3.

FEATURES OF PERIPHERAL HARDWARE FUNCTIONS ........................................................

18

3.1

Ports ......................................................................................................................................

18

3.2

Clock Generation Circuit ...................................................................................................

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3.3

Timers ...................................................................................................................................

19

3.4

A/D Converter ......................................................................................................................

22

3.5

Serial Interface ....................................................................................................................

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3.6

OSD Controller ....................................................................................................................

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3.7

PWM Output .........................................................................................................................

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4.

INTERRUPT FUNCTION ...............................................................................................................

26

5.

ROM CORRECTION .....................................................................................................................

28

6.

STANDBY FUNCTION ..................................................................................................................

29

7.

RESET FUNCTION .......................................................................................................................

29

8.

INSTRUCTION SET ......................................................................................................................

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9.

PACKAGE DRAWING ...................................................................................................................

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APPENDIX A. DEVELOPMENT TOOLS ...........................................................................................

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APPENDIX B. RELATED DOCUMENTS ..........................................................................................

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