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Author Topic: Assert TRST in JTAG  (Read 3603 times)

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Offline DavidDLCTopic starter

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Assert TRST in JTAG
« on: June 21, 2011, 05:11:29 am »
The manual I'm reading says:

The DBGTAP is reset either by asserting DBGnTRST , or by clocking it while the DBGTAPSM is in the Test-Logic-Reset state.

What does assert means here

Thanks for your help !
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Offline jahonen

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Re: Assert TRST in JTAG
« Reply #1 on: June 21, 2011, 05:56:02 am »
Assert means that signal is brought to active level. Guessing from the name, DBGnTRST is asserted when it is low.

Regards,
Janne
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Offline DavidDLCTopic starter

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Re: Assert TRST in JTAG
« Reply #2 on: June 21, 2011, 06:34:35 am »
Got it, and I think is active low.

Thanks.
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