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Appendix A: RTC Time Stamp Accuracy
TIMING CASE 1
MAC Tx/Rx clock
toggle
clock boundary
RTC Reference
Clock
Q0
Q1
Q2
Take RTC Sample
Sample
TIMING CASE 2
MAC Tx/Rx clock
toggle
clock boundary
RTC Reference
Clock
Q0
Q1
Q2
Take RTC Sample
Sample
Sampling uncertainty
Figure A-3: Sampling Position Uncertainty
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| UG492 July 23, 2010 |