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MC68HC705P9CS Datasheet(PDF) 147 Page - Freescale Semiconductor, Inc |
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MC68HC705P9CS Datasheet(HTML) 147 Page - Freescale Semiconductor, Inc |
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147 / 160 page ![]() Electrical Specifications 3.3 V Control Timing MC68HC705P9 — Rev. 4.0 Technical Data MOTOROLA Electrical Specifications 147 12.12 3.3 V Control Timing Figure 12-5. Test Load Characteristic Symbol Min Max Unit Oscillator Frequency Crystal External Clock fOSC — dc 2.0 2.0 MHz Internal Operating Frequency (fOSC ÷ 2) Crystal External Clock fOP — dc 1.0 1.0 MHz Cycle Time (1 ÷ f OP)tCYC 1 — ms Crystal Oscillator Startup Time tOXOV — 100 ms Stop Recovery Startup Time (Crystal Oscillator) tILCH — 100 ms RESET Pulse Width tRL 1.5 — tCYC Timer Resolution(1) Input Capture Pulse Width Input Capture Pulse Period 1. A 2-bit prescaler in the timer is the limiting factor as it counts 4 tCYC tRESL tH, tL tTLTL 4.0 250 Note(2) 2. The minimum tTLTL should not be less than the number of interrupt service routine cycles plus 19 tCYC — — — tCYC ns tCYC Interrupt Pulse Width Low (Edge-Triggered) tILIH 250 — ns Interrupt Pulse Period tILIL Note(3) 3. The minimum tILIL should not be less than the number of interrupt service routine cycles plus 19 tCYC — tCYC OSC1 Pulse Width tOH, tOL 200 — ns VDD C R2 R1 TEST POINT PINS PA7–PA0 PB7/SCK–PB5/SDO PC7/VRH–PC0 R1 3.26 k Ω R2 2.38 k Ω¾ C 50 pF Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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