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UPD17227CT Datasheet(PDF) 7 Page - NEC

Part # UPD17227CT
Description  4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD17227CT Datasheet(HTML) 7 Page - NEC

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µPD17225, 17226, 17227, 17228
7
Data Sheet U12643EJ2V0DS00
8.
STANDBY FUNCTIONS ................................................................................................................
46
8.1
HALT Mode .........................................................................................................................................
46
8.2
HALT Instruction Execution Conditions ..........................................................................................
47
8.3
STOP Mode .........................................................................................................................................
48
8.4
STOP Instruction Execution Conditions .........................................................................................
49
8.5
Releasing Standby Mode ..................................................................................................................
49
9.
RESET ...........................................................................................................................................
50
9.1
Reset by Reset Signal Input .............................................................................................................
50
9.2
Reset by Watchdog Timer (Connect RESET and WDOUT pins) ...................................................
50
9.3
Reset by Stack Pointer (Connect RESET and WDOUT pins) ........................................................
51
10. LOW-VOLTAGE DETECTOR CIRCUIT (CONNECT RESET AND WDOUT PINS) ....................
52
11. ASSEMBLER RESERVED WORDS .............................................................................................
53
11.1
Mask Option Directives .....................................................................................................................
53
11.2
Reserved Symbols .............................................................................................................................
54
12. INSTRUCTION SET ......................................................................................................................
60
12.1
Instruction Set Outline ......................................................................................................................
60
12.2
Legend ................................................................................................................................................
61
12.3
List of Instruction Sets ......................................................................................................................
62
12.4
Assembler (RA17K) Built-In Macro Instruction ..............................................................................
64
13. ELECTRICAL SPECIFICATIONS .................................................................................................
65
14. APPLICATION CIRCUIT EXAMPLE ............................................................................................
71
15. PACKAGE DRAWINGS ................................................................................................................
72
16. RECOMMENDED SOLDERING CONDITIONS ............................................................................
75
APPENDIX A. DIFFERENCES AMONG
µPD17225, 17226, 17227, 17228 AND µPD17P218.........
76
APPENDIX B. FUNCTIONAL COMPARISON OF
µPD17225 SUBSERIES RELATED PRODUCTS ..
78
APPENDIX C. DEVELOPMENT TOOLS ............................................................................................
80


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