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AM6421 Datasheet(PDF) 207 Page - Texas Instruments

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Part # AM6421
Description  AM64x Sitara Processors
PDF  237 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

AM6421 Datasheet(HTML) 207 Page - Texas Instruments

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Table 7-124. JTAG Timing Conditions (continued)
PARAMETER
MIN
MAX
UNIT
CL
Output load capacitance
5
15
pF
Table 7-125. JTAG Timing Requirements
see Figure 7-110
NO.
MIN
MAX
UNIT
J1
tc(TCK)
Cycle time minimum, TCK
45.5
ns
J2
tw(TCKH)
Pulse width minimum, TCK high
18.2
ns
J3
tw(TCKL)
Pulse width minimum, TCK low
18.2
ns
J4
tsu(TDI-TCK)
Input setup time minimum, TDI valid to TCK high
4
ns
tsu(TMS-TCK)
Input setup time minimum, TMS valid to TCK high
4
ns
J5
th(TCK-TDI)
Input hold time minimum, TDI valid from TCK high
2
ns
th(TCK-TMS)
Input hold time minimum, TMS valid from TCK high
2
ns
Table 7-126. JTAG Switching Characteristics
see Figure 7-110
NO.
PARAMETER
MIN
MAX
UNIT
J6
td(TCKL-TDOI)
Delay time minimum, TCK low to TDO invalid
0
ns
J7
td(TCKL-TDOV)
Delay time maximum, TCK low to TDO valid
14
ns
TDO
J2
J1
J4
TCK
J5
TDI / TMS
J3
J6
J7
J4
J5
Figure 7-110. JTAG Timing Requirements and Switching Characteristics
www.ti.com
AM6442, AM6441, AM6421
AM6412, AM6411
SPRSP56 – JANUARY 2021
Copyright © 2021 Texas Instruments Incorporated
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207
Product Folder Links: AM6442 AM6441 AM6421 AM6412 AM6411



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