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UPD17242MC-XXX-5A4 Datasheet(PDF) 8 Page - NEC |
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UPD17242MC-XXX-5A4 Datasheet(HTML) 8 Page - NEC |
8 / 102 page 8 Data Sheet U15002EJ1V0DS µPD17240, 17241, 17242, 17243, 17244, 17245, 17246 8. INTERRUPT FUNCTIONS ........................................................................................................... 62 8.1 Interrupt Sources .............................................................................................................. 62 8.2 Hardware of Interrupt Controller .................................................................................... 63 8.3 Interrupt Sequence ........................................................................................................... 66 9. STANDBY FUNCTIONS ............................................................................................................... 68 9.1 HALT Mode ......................................................................................................................... 68 9.2 HALT Instruction Execution Conditions ........................................................................ 69 9.3 STOP Mode ........................................................................................................................ 70 9.4 STOP Instruction Execution Conditions ........................................................................ 71 9.5 Releasing Standby Mode ................................................................................................. 72 10. RESET .......................................................................................................................................... 73 10.1 Reset by Reset Signal Input ............................................................................................ 73 10.2 Reset by Watchdog Timer (with RESET Pin Internally Pulled Down) ........................ 73 10.3 Reset by Stack Pointer (with RESET Pin Internally Pulled Down) ............................. 74 11. LOW-VOLTAGE DETECTOR (WITH RESET PIN INTERNALLY PULLED DOWN) ................. 75 12. ASSEMBLER RESERVED WORDS ............................................................................................ 76 12.1 Mask Option Directives .................................................................................................... 76 12.2 Reserved Symbols ............................................................................................................ 77 13. INSTRUCTION SET ..................................................................................................................... 83 13.1 Instruction Set Outline ..................................................................................................... 83 13.2 Legend ................................................................................................................................84 13.3 List of Instructions ........................................................................................................... 85 13.4 Assembler (RA17K) Embedded Macro Instructions .................................................... 87 14. ELECTRICAL SPECIFICATIONS ................................................................................................ 88 15. APPLICATION CIRCUIT EXAMPLE ........................................................................................... 94 16. PACKAGE DRAWING ................................................................................................................. 95 17. RECOMMENDED SOLDERING CONDITIONS ........................................................................ 96 APPENDIX A DIFFERENCES BETWEEN µPD17246 AND µPD17P246 ....................................... 97 APPENDIX B DEVELOPMENT TOOLS ............................................................................................ 98 |
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