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Re: Cortex-Mx MCUs with SWD access locked

From pozz <pozzugno@gmail.com>
Newsgroups comp.arch.embedded
Subject Re: Cortex-Mx MCUs with SWD access locked
Date 2022-06-27 09:06 +0200
Organization A noiseless patient Spider
Message-ID <t9bkua$b298$1@dont-email.me> (permalink)
References <t92mgi$d1l$1@dont-email.me> <t93vu7$ukp$1@dont-email.me> <t949sk$4jp$1@dont-email.me> <t94hhi$u4k$1@dont-email.me> <nnd$6eee50df$7dbf7e68@8d4ce289928ac989>

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Il 24/06/2022 20:29, Stef ha scritto:
> On 2022-06-24 pozz wrote in comp.arch.embedded:
>> Il 24/06/2022 14:15, David Brown ha scritto:
>>
>>> Of course you could always have had damage from ground loops, spikes
>>> when plugging the debugger in and out (if power is on), short-circuits
>>> when trying to use an oscilloscope probe with clumsy fingers, etc.  If
>>> you have access to an X-Ray machine, you might be able to get some idea
>>> about what happened.
>>
>> I admit I don't have professional workbench with anti-static writ strap
>> band and so on, but I worked for many years without these kind of
>> problems. It's strange I encountered so many problems concentrated in a
>> few weeks.
>>
>> I will understand the problem of ground loops.
> 
> Anti-static measures will not help for any of the problems David
> describes. But they will prevent damage from ESD. Which could also be a
> source for your problem.
> 
> Has the weather been very dry in those problem weeks? Or did you change
> your floor or did you get new shoes?

Very dry? On the contrary, now and here we have humid air at least 
respect other periods of the year.

No change in floor or shoes.

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Thread

Cortex-Mx MCUs with SWD access locked pozz <pozzugno@gmail.com> - 2022-06-23 23:38 +0200
  Re: Cortex-Mx MCUs with SWD access locked pozz <pozzugno@gmail.com> - 2022-06-24 11:25 +0200
    Re: Cortex-Mx MCUs with SWD access locked dalai lamah <antonio12358@hotmail.com> - 2022-06-24 12:22 +0200
      Re: Cortex-Mx MCUs with SWD access locked pozz <pozzugno@gmail.com> - 2022-06-24 16:27 +0200
        Re: Cortex-Mx MCUs with SWD access locked dalai lamah <antonio12358@hotmail.com> - 2022-06-24 16:42 +0200
          Re: Cortex-Mx MCUs with SWD access locked pozz <pozzugno@gmail.com> - 2022-06-24 16:56 +0200
            Re: Cortex-Mx MCUs with SWD access locked dalai lamah <antonio12358@hotmail.com> - 2022-06-24 17:16 +0200
          Re: Cortex-Mx MCUs with SWD access locked David Brown <david.brown@hesbynett.no> - 2022-06-24 18:26 +0200
            Re: Cortex-Mx MCUs with SWD access locked Dimiter_Popoff <dp@tgi-sci.com> - 2022-06-24 20:00 +0300
            Re: Cortex-Mx MCUs with SWD access locked pozz <pozzugno@gmail.com> - 2022-06-27 08:54 +0200
              Re: Cortex-Mx MCUs with SWD access locked David Brown <david.brown@hesbynett.no> - 2022-06-27 09:23 +0200
    Re: Cortex-Mx MCUs with SWD access locked David Brown <david.brown@hesbynett.no> - 2022-06-24 14:15 +0200
      Re: Cortex-Mx MCUs with SWD access locked pozz <pozzugno@gmail.com> - 2022-06-24 16:25 +0200
        Re: Cortex-Mx MCUs with SWD access locked Stef <me@this.is.invalid> - 2022-06-24 20:29 +0200
          Re: Cortex-Mx MCUs with SWD access locked David Brown <david.brown@hesbynett.no> - 2022-06-24 20:34 +0200
            Re: Cortex-Mx MCUs with SWD access locked Stef <me@this.is.invalid> - 2022-06-24 22:12 +0200
              Re: Cortex-Mx MCUs with SWD access locked David Brown <david.brown@hesbynett.no> - 2022-06-25 10:19 +0200
          Re: Cortex-Mx MCUs with SWD access locked pozz <pozzugno@gmail.com> - 2022-06-27 09:06 +0200
            Re: Cortex-Mx MCUs with SWD access locked David Brown <david.brown@hesbynett.no> - 2022-06-27 09:25 +0200
        Re: Cortex-Mx MCUs with SWD access locked Reinhardt Behm <rbehm@hushmail.com> - 2022-06-26 14:25 +0000
          Re: Cortex-Mx MCUs with SWD access locked pozz <pozzugno@gmail.com> - 2022-06-27 10:07 +0200
            Re: Cortex-Mx MCUs with SWD access locked Reinhardt Behm <rbehm@hushmail.com> - 2022-06-27 15:11 +0000
              Re: Cortex-Mx MCUs with SWD access locked pozz <pozzugno@gmail.com> - 2022-06-27 23:50 +0200
                Re: Cortex-Mx MCUs with SWD access locked Stef <me@this.is.invalid> - 2022-06-28 11:23 +0200
                Re: Cortex-Mx MCUs with SWD access locked pozz <pozzugno@gmail.com> - 2022-06-28 12:42 +0200
                Re: Cortex-Mx MCUs with SWD access locked Stef <me@this.is.invalid> - 2022-06-28 17:06 +0200

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