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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PIC16F631 датащи(PDF) 208 Page - Microchip Technology |
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PIC16F631 датащи(HTML) 208 Page - Microchip Technology |
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208 / 294 page  PIC16F631/677/685/687/689/690 DS41262D-page 206 © 2007 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 RABIE T0IF INTF RABIF 0000 000x 0000 000x PIE1 — ADIE RCIE TXIE SSPIE CCP1IE TMR2IE TMR1IE -000 0000 -000 0000 PIE2 OSFIE C2IE C1IE EEIE — — — — 0000 ---- 0000 ---- PIR1 — ADIF RCIF TXIF SSPIF CCP1IF TMR2IF TMR1IF -000 0000 -000 0000 PIR2 OSFIF C2IF C1IF EEIF — — — — 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<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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