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UPD78P014 Datasheet(PDF) 10 Page - NEC

Part # UPD78P014
Description  8-BIT SINGLE-CHIP MICROCOMPUTER
PDF  62 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD78P014 Datasheet(HTML) 10 Page - NEC

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10
µPD78P014
CONTENTS
1.
DIFFERENCES BETWEEN
µPD78P014 AND MASK ROM VERSION ...................................................11
2.
PIN FUNCTIONS ....................................................................................................................................... 12
2.1
Normal Operating Mode Pins ......................................................................................................................... 12
2.2
PROM Programming Mode Pins ..................................................................................................................... 15
2.3
Pin Input/Output Circuits and Connection of Unused Pins ........................................................................ 16
3.
INTERNAL MEMORY SIZE SWITCHING REGISTER (IMS) ................................................................... 18
4.
PROM PROGRAMMING ........................................................................................................................... 19
4.1
Operating Modes .............................................................................................................................................. 19
4.2
PROM Write Procedure .................................................................................................................................... 20
4.3
PROM Read Procedure ..................................................................................................................................... 22
5.
ERASURE PROCEDURE (
µPD78P014DW ONLY) ................................................................................... 23
6.
OPAQUE FILM FOR ERASURE WINDOW (
µPD78P014DW ONLY) ......................................................23
7.
ONE-TIME PROM VERSION SCREENING .............................................................................................. 23
8.
ELECTRICAL SPECIFICATIONS ............................................................................................................... 24
9.
CHARACTERISTIC CURVES (FOR REFERENCE ONLY) ........................................................................ 49
10. PACKAGE DRAWINGS ............................................................................................................................. 53
11. RECOMMENDED SOLDERING CONDITIONS ........................................................................................ 56
APPENDIX A. DEVELOPMENT TOOLS ......................................................................................................... 57
APPENDIX B. RELATED DOCUMENTS ........................................................................................................ 59



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