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參數(shù)資料
| 型號： | UPD17245MC-xxx-5A4 |
| 廠商： | NEC Corp. |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS |
| 中文描述： | 4位單片微控制器的小型通用兩用紅外遙控遞質(zhì) |
| 文件頁數(shù)： | 67/102頁 |
| 文件大?。?/td> | 461K |
| 代理商： | UPD17245MC-XXX-5A4 |
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67
Data Sheet U15002EJ1V0DS
μ
PD17240, 17241, 17242, 17243, 17244, 17245, 17246
8.3.2
Returning from interrupt processing routine
To return from an interrupt processing routine, use the RETI instruction.
The following processing is then executed within an instruction cycle.
Loads contents of interrupt
stack register to PSWORD
Increments value of stack pointer by 1
Loads contents of stack addressed by
stack pointer to program counter
To enable an interrupt after the processing of an interrupt has finished, the EI instruction must be executed
immediately before the RETI instruction.
Interrupt acknowledgement is enabled by the EI instruction after the instruction next to the EI instruction
has been executed. Therefore, the interrupt is not acknowledged between the EI and RETI instructions.
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| UPD17246MC-xxx-5A4 | 4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS |
| UPD1724x | 4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS |
| UPD17709GC | 4-BIT SINGLE-CHIP MICROCONTROLLERS WITH DEDICATED HARDWARE FOR DIGITAL TUNING SYSTEM |
| UPD17707GC | 4-BIT SINGLE-CHIP MICROCONTROLLERS WITH DEDICATED HARDWARE FOR DIGITAL TUNING SYSTEM |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UPD17246 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontrollers for Remote Controllers Pamphlet | Pamphlet[11/2002] |
| UPD17246MC-XXX-5A4 | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS |
| UPD1724X | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS |
| UPD17704 | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLERS WITH DEDICATED HARDWARE FOR DIGITAL TUNING SYSTEM |
| UPD17704A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:UPD17704A.17705A.17707A.17708A.17709A Data Sheet | Data Sheet[10/2001] |
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