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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MC68HC705P9CS датащи(PDF) 70 Page - Freescale Semiconductor, Inc |
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MC68HC705P9CS датащи(HTML) 70 Page - Freescale Semiconductor, Inc |
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70 / 160 page  Resets and Interrupts Technical Data MC68HC705P9 — Rev. 4.0 70 Resets and Interrupts MOTOROLA IRQ/VPP pin. An external interrupt request, shown in Figure 5-5, is latched as long as any source is holding the IRQ/VPP pin low. Figure 5-5. External Interrupt Timing Table 5-2. External Interrupt Timing (VDD = 5.0 Vdc) (1) 1. VDD = 5.0 Vdc ±10%, VSS = 0 Vdc, TA = TL to TH Characteristic Symbol Min Max Unit Interrupt Pulse Width Low (Edge-Triggered) tILIH 125 — ns Interrupt Pulse Period tILIL Note(2) 2. The minimum tILIL should not be less than the number of interrupt service routine cycles plus 19 tCYC. — tCYC Table 5-3. External Interrupt Timing (VDD = 3.3 Vdc) (1) 1. VDD = 3.3 Vdc ±10%, VSS = 0 Vdc, TA = TL to TH Characteristic Symbol Min Max Unit Interrupt Pulse Width Low (Edge-Triggered) tILIH 250 — ns Interrupt Pulse Period tILIL Note(2) 2. The minimum tILIL should not be less than the number of interrupt service routine cycles plus 19 tCYC. — tCYC IRQ (INTERNAL) tILIH tILIL tILIH IRQ/V PP PIN IRQ1 IRQn . . . Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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