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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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DA6021 датащи(PDF) 71 Page - Renesas Technology Corp |
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DA6021 датащи(HTML) 71 Page - Renesas Technology Corp |
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71 / 225 page  DA6021 HIGHLY INTEGRATED POWER MANAGEMENT IC FOR INTEL® ATOM™ Z3000 PROCESSOR Company Confidential Data Sheet Version 3.A - Final 31-Jan-14 © 2014 Dialog Semiconductor GmbH 71 of 224 www.dialog-semiconductor.com 1. Period and duty cycle are measured with respect to 0.5 * V1P0S. 2. High time is measured with respect to 0.7 * V1P0S. Low time is measured with respect to 0.3 * V1P0S. 3. Rise time is measured from 0.3*V1P0S – 0.7*V1P0S. Fall time is measured 0.7*V1P0S - 0.3*V1P0S. 4. Tperiod, Thigh, Tlow and Duty Cycle variation as a result of internal CPU Clock logic only. Additional variation may be introduced as a result of the Clock MB topology (like different Rpu values or MB impedance). Figure 24: Measurement Points for VCLK The SVID interface will have access only to the SVID registers. In case of dynamical content like the status registers the latching mechanism ensures not falling in meta-stability. Data Sampling and Timing 11.5.3 Following SVID Bus platform timings have to be fulfilled Tco_max_VR clock to data delay = 12ns Tco_min_VR clock to data delay = 4ns Tsu_VR VDIO setup time at DA6021 = 7ns Thld_VR VDIO hold time at DA6021 = 14ns Tfly_min 0.3ns Tfly_max 1.5ns |
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