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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TUSB1310 датащи(PDF) 32 Page - Texas Instruments |
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TUSB1310 датащи(HTML) 32 Page - Texas Instruments |
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32 / 36 page  TUSB1310 SLLSE16C – DECEMBER 2009 – REVISED AUGUST 2010 www.ti.com 6.5.4 ULPI Parameters Table 6-4. ULPI Parameters DESCRIPTION NOTES HS FS LS UNIT RX CMD delay 2-4 2-4 2-4 clocks TX start delay 1-2 1-10 1-10 clocks TX end delay PHY pipeline delays 2-5 clocks RX start delay 3-8 clocks RX end delay 3-8 17-18 122-123 clocks Transmit-Transmit (host only) 15-24 7-18 77-247 clocks Link decision times Receive-Transmit (host or peripheral) 1-14 7-18 77-247 clocks 6.5.5 ULPI Clock Table 6-5. ULPI Clock Parameters SYMBOL DESCRIPTION MIN TYP MAX UNIT Fstart_8bit Frequency (first transition) ±10% 54 60 66 MHz Fsteady Frequency (steady state) ±500 ppm 59.97 60 60.03 MHz Dstart_8bit Duty cycle (first transition) ±10% 40 50 60 % Dsteady Duty cycle (steady state) ±500 ppm 49.975 50 50.025 % Tsteady Time to reach steady state frequency and duty cycle after first transition 1.4 ms Tstart_dev Clock startup time after deassertion of SuspemdM – Peripheral 5.6 ms Tstart_host Clock startup time after deassertion of SuspemdM – Hold ms Tprep PHY preparation time after first transition of input clock µs Tjitter Jitter ps Trise/Tfall Rise and fall time ns 6.5.6 ULPI Transmit Figure 6-4. ULPI Transmit Timing 32 ELECTRICAL SPECIFICATIONS Copyright © 2009–2010, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): TUSB1310 |
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