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| AMIC110 Datasheet, PDF (175/214 Pages) Texas Instruments – Sitara Processors | |||
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www.ti.com
AMIC110
SPRS971A â AUGUST 2016 â REVISED SEPTEMBER 2016
7.9 JTAG Electrical Data and Timing
(see Figure 7-56)
NO.
1 tc(TCK)
1a tw(TCKH)
1b tw(TCKL)
3
tsu(TDI-TCKH)
tsu(TMS-TCKH)
4
th(TCKH-TDI)
th(TCKH-TMS)
(see Figure 7-56)
NO.
2 td(TCKL-TDO)
Table 7-56. Timing Requirements for JTAG
Cycle time, TCK
Pulse duration, TCK high (40% of tc)
Pulse duration, TCK low (40% of tc)
Input setup time, TDI valid to TCK high
Input setup time, TMS valid to TCK high
Input hold time, TDI valid from TCK high
Input hold time, TMS valid from TCK high
OPP100
MIN
81.5
32.6
32.6
3
3
8.05
8.05
MAX
Table 7-57. Switching Characteristics for JTAG
PARAMETER
Delay time, TCK low to TDO valid
OPP100
MIN
3
MAX
27.6
TCK
1
1a
1b
2
TDO
3
4
TDI/TMS
Figure 7-56. JTAG Timing
OPP50
MIN
104.5
41.8
41.8
3
3
8.05
8.05
MAX
UNIT
ns
ns
ns
ns
ns
ns
ns
OPP50
MIN
4
MAX
36.8
UNIT
ns
Copyright © 2016, Texas Instruments Incorporated
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Product Folder Links: AMIC110
Peripheral Information and Timings 175
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