UPD78P4916 Datasheet, PDF (11/56 Pages) NEC – 16-BIT SINGLE-CHIP MICROCONTROLLER

CONTENTS
µPD78P4916
1. DIFFERENCES BETWEEN µPD78P4916 AND µPD784915, µPD784916A ································· 12
2. PIN FUNCTION ································································································································· 13
2.1 Normal Operation Mode ····························································································································· 13
2.2 PROM Programming Mode (VPP ≥ 5 V, RESET = L) ·················································································· 15
* ^{2.3 Pin I/O Circuits and Recommended Connection of Unused Pins ························································· 16}
3. INTERNAL MEMORY CAPACITY SELECT REGISTER (IMS) ··················································· 20
4. PROM PROGRAMMING ··················································································································· 21
4.1 Operation Mode ·········································································································································· 21
4.2 PROM Write Procedure ······························································································································ 23
4.3 PROM Read Procedure ······························································································································ 27
4.4 Screening One-time PROM Versions ······································································································· 27
* ^{5. ELECTRICAL SPECIFICATIONS ····································································································· 28}
6. PACKAGE DRAWING ······················································································································ 46
* ^{7. RECOMMENDED SOLDERING CONDITIONS ················································································· 47}
APPENDIX A. DEVELOPMENT TOOLS ····························································································· 48
* ^{APPENDIX B. SOCKET DRAWING AND RECOMMENDED FOOTPRINT ········································ 50}
APPENDIX C. RELATED DOCUMENTS ···························································································· 52
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