UPD17225 View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD17225

4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER

NEC => Renesas Technology 

µPD17225, 17226, 17227, 17228

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

Data Sheet U12643EJ2V0DS00

7

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