GXLV Datasheet, PDF (205/247 Pages) National Semiconductor (TI) – Geode™ GXLV Processor Series Low Power Integrated x86 Solutions

Electrical Specifications (Continued)
Symbol
t1
t2
t3
t4
t5
t6
t7
t8
t9
t10
t11
t12
t13
Table 6-19. JTAG AC Specification (Refer to Figures 6-14 and 6-15)
Parameter
Min
Max
TCK Frequency (MHz)
TCK Period
TCK High Time
TCK Low Time
TCK Rise Time
TCK Fall Time
TDO Valid Delay
Non-test Outputs Valid Delay
TDO Float Delay
Non-test Outputs Float Delay
TDI, TMS Setup Time
Non-test Inputs Setup Time
TDI, TMS Hold Time
Non-test Inputs Hold Time
25
40
10
10
4
4
3
25
3
25
30
36
8
8
7
7
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t1
t2
V_IH(Min)
1.5 V
V_IL(Max)
TCK
t4
t3
t5
Figure 6-14. TCK Timing and Measurement Points
Revision 1.1
205
www.national.com