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UPD17P203AGC-001-3BH Datasheet(PDF) 6 Page - NEC |
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UPD17P203AGC-001-3BH Datasheet(HTML) 6 Page - NEC |
6 / 30 page µPD17P203A, 17P204 6 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 5 5 |
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