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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PIC16F684 датащи(PDF) 110 Page - Microchip Technology |
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PIC16F684 датащи(HTML) 110 Page - Microchip Technology |
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110 / 192 page  PIC16F684 DS41202F-page 108 © 2007 Microchip Technology Inc. FIGURE 12-8: INT PIN INTERRUPT TIMING TABLE 12-6: SUMMARY OF REGISTERS ASSOCIATED WITH INTERRUPTS Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Value on: POR, BOR Value on all other Resets INTCON GIE PEIE T0IE INTE RAIE T0IF INTF RAIF 0000 0000 0000 0000 IOCA — — IOCA5 IOCA4 IOCA3 IOCA2 IOCA1 IOCA0 --00 0000 --00 0000 PIR1 EEIF ADIF CCP1IF C2IF C1IF OSFIF TMR2IF TMR1IF 0000 0000 0000 0000 PIE1 EEIE ADIE CCP1IE C2IE C1IE OSFIE TMR2IE TMR1IE 0000 0000 0000 0000 Legend: x = unknown, u = unchanged, – = unimplemented read as ‘0’, q = value depends upon condition. Shaded cells are not used by the interrupt module. Q2 Q1 Q3 Q4 Q2 Q1 Q3 Q4 Q2 Q1 Q3 Q4 Q2 Q1 Q3 Q4 Q2 Q1 Q3 Q4 OSC1 CLKOUT INT pin INTF flag (INTCON reg.) GIE bit (INTCON reg.) INSTRUCTION FLOW PC Instruction Fetched Instruction Executed Interrupt Latency PC PC + 1 PC + 1 0004h 0005h Inst (0004h) Inst (0005h) Dummy Cycle Inst (PC) Inst (PC + 1) Inst (PC – 1) Inst (0004h) Dummy Cycle Inst (PC) — Note 1: INTF flag is sampled here (every Q1). 2: Asynchronous interrupt latency = 3-4 TCY. Synchronous latency = 3 TCY, where TCY = instruction cycle time. Latency is the same whether Inst (PC) is a single cycle or a 2-cycle instruction. 3: CLKOUT is available only in INTOSC and RC Oscillator modes. 4: For minimum width of INT pulse, refer to AC specifications in Section 15.0 “Electrical Specifications”. 5: INTF is enabled to be set any time during the Q4-Q1 cycles. (1) (2) (3) (4) (5) (1) |
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