LS1046A TA_TMP_DETECT_B

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LS1046A TA_TMP_DETECT_B

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sinu52
Contributor II

Hello,

I have a question about document AN5252 QorIQ LS1046A Design checklist.

On page 27 it states that both TA_BB_TMP_DETECT_B and TA_TMP_DETECT_B, when used they should be pulled down with a 1K resistor. In all reference designs of LS1046A and LS1028 the signals are pulled up.

Since these signals are LOW active. Wont this trigger a tamper right away?

Kind regards,

Remco

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ufedor
NXP Employee
NXP Employee

The AN5252 means the following connection circuit:Tamper.jpg

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ufedor
NXP Employee
NXP Employee

The AN5252 means the following connection circuit:Tamper.jpg

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