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UPD66P04B Datasheet(PDF) 4 Page - NEC

Part No. UPD66P04B
Description  4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION
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Maker  NEC [NEC]
Homepage  http://www.nec.com/
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UPD66P04B Datasheet(HTML) 4 Page - NEC

 
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µPD66P04B
Data Sheet U13596EJ2V0DS00
TABLE OF CONTENTS
1.
PIN FUNCTIONS .........................................................................................................................
5
1.1
Normal Operating Mode ....................................................................................................................
5
1.2
PROM Programming Mode ...............................................................................................................
6
1.3
INPUT/OUTPUT Circuits of Pins ......................................................................................................
7
1.4
Dealing with Unused Pins ................................................................................................................
8
1.5
Notes on Using KI Pin at Reset ........................................................................................................
8
2.
DIFFERENCES BETWEEN
µPD6604 AND µPD66P04B ..........................................................
9
3.
WRITING AND VERIFYING ONE-TIME PROM (PROGRAM MEMORY) .................................. 10
3.1
Operating Mode When Writing/Verifying Program Memory ..........................................................
10
3.2
Program Memory Writing Procedure .............................................................................................. 11
3.3
Program Memory Reading Procedure .............................................................................................12
4.
ELECTRICAL SPECIFICATIONS ............................................................................................... 13
5.
CHARACTERISTIC CURVE (REFERENCE VALUES) .............................................................. 19
6.
APPLIED CIRCUIT EXAMPLE ................................................................................................... 21
7.
PACKAGE DRAWINGS ..............................................................................................................22
8.
RECOMMENDED SOLDERING CONDITIONS .......................................................................... 24
APPENDIX A. DEVELOPMENT TOOLS ........................................................................................ 25
APPENDIX B. EXAMPLE OF REMOTE-CONTROL TRANSMISSION FORMAT .......................... 26


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