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AM6548BACDXEAF Datasheet(PDF) 246 Page - Texas Instruments

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Part # AM6548BACDXEAF
Description  AM654x, AM652x Sitara??Processors Silicon Revision 2.1
PDF  282 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

AM6548BACDXEAF Datasheet(HTML) 246 Page - Texas Instruments

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7.9.5.25.2.1 JTAG Electrical Data and Timing
Section 7.9.5.25.2.1.1, Section 7.9.5.25.2.1.2, and Figure 7-125 assume testing over the recommended
operating conditions and electrical characteristic conditions.
7.9.5.25.2.1.1 JTAG Timing Requirements
NO.
PARAMETER
DESCRIPTION
MIN
MAX
UNIT
J1
tc(TCK)
Cycle time minimum, TCK
60
ns
J2
tw(TCKH)
Pulse width minimum, TCK high
24
ns
J3
tw(TCKL)
Pulse width minimum, TCK low
24
ns
J4
tsu(TDI-TCK)
Input setup time minimum, TDI valid to TCK high
7
ns
tsu(TMS-TCK)
Input setup time minimum, TMS valid to TCK high
7
ns
J5
th(TCK-TDI)
Input hold time minimum, TDI valid from TCK high
4
ns
th(TCK-TMS)
Input hold time minimum, TMS valid from TCK high
4
ns
7.9.5.25.2.1.2 JTAG Switching Characteristics
NO.
PARAMETER
DESCRIPTION
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
24
ns
TDO
J2
J1
J4
TCK
J5
TDI / TMS
J3
J6
J7
J4
J5
Figure 7-125. JTAG Test-Port Timing
AM6548, AM6528, AM6526
SPRSP52B – DECEMBER 2019 – REVISED JUNE 2021
www.ti.com
246
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Copyright © 2021 Texas Instruments Incorporated
Product Folder Links: AM6548 AM6528 AM6526



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