Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.arch.embedded > #31105

Re: Cortex-Mx MCUs with SWD access locked

Newsgroups comp.arch.embedded
From Stef <me@this.is.invalid>
Subject Re: Cortex-Mx MCUs with SWD access locked
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>
Message-ID <nnd$6eee50df$7dbf7e68@8d4ce289928ac989> (permalink)
Organization Newsxs
Date 2022-06-24 20:29 +0200

Show all headers | View raw

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? 


-- 
Stef

Eureka!
		-- Archimedes

Back to comp.arch.embedded | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

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

csiph-web