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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PIC16F882-I датащи(PDF) 224 Page - Microchip Technology |
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PIC16F882-I датащи(HTML) 224 Page - Microchip Technology |
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224 / 328 page  PIC16F882/883/884/886/887 DS41291F-page 222 © 2009 Microchip Technology Inc. FIGURE 14-8: INT PIN INTERRUPT TIMING TABLE 14-6: SUMMARY OF INTERRUPT REGISTERS 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 RBIE T0IF INTF RBIF 0000 000x 0000 000x PIE1 — ADIE RCIE TXIE SSPIE CCP1IE TMR2IE TMR1IE -000 0000 -000 0000 PIE2 OSFIE C2IE C1IE EEIE BCLIE ULPWUIE — CCP2IE 0000 00-0 0000 00-0 PIR1 — ADIF RCIF TXIF SSPIF CCP1IF TMR2IF TMR1IF -000 0000 -000 0000 PIR2 OSFIF C2IF C1IF EEIF BCLIF ULPWUIF — CCP2IF 0000 00-0 0000 00-0 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<1>) GIE bit (INTCON<7>) 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 17.0 “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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