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16LF1613 Scheda tecnica(PDF) 80 Page - Microchip Technology |
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16LF1613 Scheda tecnica(HTML) 80 Page - Microchip Technology |
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80 / 396 page ![]() 2014-2016 Microchip Technology Inc. DS40001737B-page 80 PIC12(L)F1612/16(L)F1613 FIGURE 7-3: INT PIN INTERRUPT TIMING Q2 Q1 Q3 Q4 Q2 Q1 Q3 Q4 Q2 Q1 Q3 Q4 Q2 Q1 Q3 Q4 Q2 Q1 Q3 Q4 FOSC CLKOUT INT pin INTF GIE INSTRUCTION FLOW PC Instruction Fetched Instruction Executed Interrupt Latency PC PC + 1 PC + 1 0004h 0005h Inst (0004h) Inst (0005h) Forced NOP Inst (PC) Inst (PC + 1) Inst (PC – 1) Inst (0004h) Forced NOP Inst (PC) — Note 1: INTF flag is sampled here (every Q1). 2: Asynchronous interrupt latency = 3-5 TCY. Synchronous latency = 3-4 TCY, where TCY = instruction cycle time. Latency is the same whether Inst (PC) is a single cycle or a 2-cycle instruction. 3: For minimum width of INT pulse, refer to AC specifications in Section28.0 “Electrical Specifications”. 4: INTF is enabled to be set any time during the Q4-Q1 cycles. (1) (2) (3) (4) (1) |
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