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PIC12F1501-I 数据表(PDF) 76 Page - Microchip Technology |
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PIC12F1501-I 数据表(HTML) 76 Page - Microchip Technology |
76 / 278 page PIC12(L)F1501 DS41615A-page 76 Preliminary 2011 Microchip Technology Inc. Even if the flag bits were checked before executing a SLEEP instruction, it may be possible for flag bits to become set before the SLEEP instruction completes. To determine whether a SLEEP instruction executed, test the PD bit. If the PD bit is set, the SLEEP instruction was executed as a NOP. FIGURE 8-1: WAKE-UP FROM SLEEP THROUGH INTERRUPT Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 CLKIN(1) CLKOUT(2) Interrupt flag GIE bit (INTCON reg.) Instruction Flow PC Instruction Fetched Instruction Executed PC PC + 1 PC + 2 Inst(PC) = Sleep Inst(PC - 1) Inst(PC + 1) Sleep Processor in Sleep Interrupt Latency(3) Inst(PC + 2) Inst(PC + 1) Inst(0004h) Inst(0005h) Inst(0004h) Forced NOP PC + 2 0004h 0005h Forced NOP PC + 2 Note 1: External clock. High, Medium, Low mode assumed. 2: CLKOUT is shown here for timing reference. 3: GIE = 1 assumed. In this case after wake-up, the processor calls the ISR at 0004h. If GIE = 0, execution will continue in-line. |
类似零件编号 - PIC12F1501-I |
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类似说明 - PIC12F1501-I |
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