µPD780016Y, 780018Y

5

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 ............................................................................................................................................ 11

3.3

Pin I/O Circuits and Recommended Connection of Unused Pins ..................................................... 13

4.

MEMORY SPACE .............................................................................................................................. 16

5.

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

5.1

Ports ........................................................................................................................................................... 17

5.2

Clock Generator ........................................................................................................................................ 18

5.3

Timer/Event Counter ................................................................................................................................18

5.4

Clock Output Control Circuit .................................................................................................................. 22

5.5

Buzzer Output Control Circuit ................................................................................................................ 22

5.6

A/D Converter ........................................................................................................................................... 23

5.7

Serial Interfaces ........................................................................................................................................ 24

6.

INTERRUPT FUNCTIONS AND TEST FUNCTIONS ....................................................................... 26

6.1

Interrupt Functions .................................................................................................................................. 26

6.2

Test Functions .......................................................................................................................................... 29

7.

EXTERNAL DEVICE EXPANSION FUNCTIONS ............................................................................. 30

8.

STANDBY FUNCTION ...................................................................................................................... 30

9.

RESET FUNCTION ............................................................................................................................ 31

10. INSTRUCTION SET ........................................................................................................................... 32

11. PACKAGE DRAWINGS ..................................................................................................................... 34

APPENDIX A. DEVELOPMENT TOOLS ................................................................................................ 35

APPENDIX B. RELATED DOCUMENTS ............................................................................................... 37