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Geode GXLV Processor Series Low Power Integrated x86 Solutions

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Electrical Specifications (Continued)Table 6-19. JTAG AC Specification (Refer to Figures 6-14 and 6-15)Symbol Parameter Min Max UnitTCK Frequency (MHz) 25 MHzt1 TCK Period 40 nst2 TCK High Time 10 nst3 TCK <strong>Low</strong> Time 10 nst4 TCK Rise Time 4 nst5 TCK Fall Time 4 nst6 TDO Valid Delay 3 25 nst7 Non-test Outputs Valid Delay 3 25 nst8 TDO Float Delay 30 nst9 Non-test Outputs Float Delay 36 nst10 TDI, TMS Setup Time 8 nst11 Non-test Inputs Setup Time 8 nst12 TDI, TMS Hold Time 7 nst13 Non-test Inputs Hold Time 7 ns<strong>Geode</strong> <strong>GXLV</strong> <strong>Processor</strong> <strong>Series</strong>t1t2V IH(Min)1.5 VV IL(Max)TCKt4t3t5Figure 6-14. TCK Timing and Measurement PointsRevision 1.3 205 www.national.com

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