Gateworks Avila GW2348 JTAG RST-Leitung?

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ramaza
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Joined: 14 Oct 2007
Posts: 28

PostPosted: Mon Nov 16, 2009 11:23    Post subject: Gateworks Avila GW2348 JTAG RST-Leitung? Reply with quote
Ich versuche gerade einen JTAG-Adapter für meine GW2348 Boards zu bauen.

Hier das JTAG Pinout aus dem GW2348 Manual:

Code:
Pin Signal          Pin Signal
 1  3.3V             2  COM1 RXD (3.3V)
 3  JTAG RST      4  Ground
 5  JTAG TDI      6  Ground
 7  JTAG TMS      8  Ground
 9  JTAG TCK     10  Ground
11  JTAG TDO     12  Board Reset
13  COM1 TXD (3.3V) 14 Ground


Ich würde gerne wissen wofür dir "RST" Leitung ist und ob man die unbedingt braucht?
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ramaza
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Joined: 14 Oct 2007
Posts: 28

PostPosted: Mon Nov 16, 2009 17:50    Post subject: Reply with quote
Nadem ich "RST" (Pin 3) über einen 100Ohm Widerstand mit "VCC" (Pin 1) verbunden habe, hat das Board angefangen auf "tjtag3 -probeonly" zu reagieren.

Die Info ist aus einem WRT54G JTAG Howto.

Dieser Widerstand scheint im WRT54G bereits von Haus aus integriert zu sein.
Sash
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Location: Hesse/Germany

PostPosted: Mon Nov 16, 2009 18:54    Post subject: Reply with quote
beutz auch die neueste tjatag version


also beta 3.1

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ramaza
DD-WRT Novice


Joined: 14 Oct 2007
Posts: 28

PostPosted: Mon Nov 16, 2009 20:26    Post subject: Reply with quote
Ich konnte leider nur die Version 3.0.1 von TJTAG finden.

Was ist neu oder besser an der 3.1 Beta Version und wo kann ich diese downloaden?
ramaza
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Joined: 14 Oct 2007
Posts: 28

PostPosted: Tue Nov 17, 2009 13:39    Post subject: Reply with quote
Weiter gehts in diesem Thread:
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=61145
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