µPD17P203A, 17P204

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CONTENTS

1.

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

7

1.1

NORMAL OPERATION MODE .....................................................................................................

7

1.2

PROM PROGRAMMING MODE ...................................................................................................

9

1.3

PIN I/O CIRCUITS ..........................................................................................................................

9

1.4

PROCESSING OF UNUSED PINS ................................................................................................ 12

1.5

NOTES ON USING RESET AND INT PINS ................................................................................. 13

2.

DIFFERENCES BETWEEN MASK ROM PRODUCTS AND ONE-TIME PROM

PRODUCTS .............................................................................................................................. 14

3.

ONE-TIME PROM (PROGRAM MEMORY) WRITING, READING,

AND VERIFICATION ............................................................................................................... 15

3.1

OPERATION MODE FOR WRITING, READING,

AND VERIFICATION OF PROGRAM MEMORY .......................................................................... 15

3.2

PROGRAM MEMORY WRITE PROCEDURE ................................................................................ 16

3.3

PROGRAM MEMORY READ PROCEDURE ................................................................................. 17

4.

ELECTRICAL SPECIFICATIONS ............................................................................................. 18

5.

PACKAGE DRAWINGS ........................................................................................................... 23

6.

RECOMMENDED SOLDERING CONDITIONS ...................................................................... 24

APPENDIX A. MICROCONTROLLERS FOR LEARNING REMOTE CONTROLLER ............. 25

APPENDIX B. DEVELOPMENT TOOLS ..................................................................................... 26

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