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#1 2015-08-03 15:00:17

rbubba1911
Contributor
Registered: 2014-08-14
Posts: 86

Choosing the right JTAG (advice needed)

Hi,

I was looking for an 'multi-purpose' jtag connector,
I wish to use it in many situation (not only to flash the pm3 !)

here is some product I find on ebay, could you tell me, which one is the good one for hacking smile

by preferred order :

1) J-Link V8 USB ARM JTAG

maybe a segger clone, with a lot of features.

2) Blackcat-USB-SPI-JTAG

the last version of blackcat

3) altera-Mini-Usb-Blaster

USB blaster, fear !! smile

4) Serial-Port-DB9-9Pin-Male-to-JTAG

the cheapest!, with DB9 COM connection


feel free to point me other jtag device, if they are better/cheaper.

Thank you

Last edited by rbubba1911 (2015-08-03 15:02:35)


Double the trouble, Twice the fun !!

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#2 2015-08-03 19:18:34

asper
Contributor
Registered: 2008-08-24
Posts: 1,409

Re: Choosing the right JTAG (advice needed)

1) Bought: it works, it includes cables, flashing software and it is multi-purpose; to avoid clone-related problems have a deep read here [software is also downlaodable here] - my experience here. I think this is the most featured&cheapest

2) I own it since a long time but it seems not to support jtag, only ejtag (more info/tests here); support service never answered my questions about that subject

3) Never heard of; reading description it seems not to contain the needed flashing software !

4) Serial port is obsolete and also description seems not to include software.

Last edited by asper (2015-08-03 19:33:39)

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#3 2015-08-04 10:37:01

rbubba1911
Contributor
Registered: 2014-08-14
Posts: 86

Re: Choosing the right JTAG (advice needed)

Hi asper,

I read your feedback experience, I'm not afraid about IDA/Odbg/SoftICE  wink

I trust you blindly, we seem to share same taste for hacking device !

I'll take this one, thanks a lot for your advice .

best regards


Double the trouble, Twice the fun !!

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#4 2015-08-04 13:21:34

asper
Contributor
Registered: 2008-08-24
Posts: 1,409

Re: Choosing the right JTAG (advice needed)

rbubba1911 wrote:

Hi asper,

I read your feedback experience, I'm not afraid about IDA/Odbg/SoftICE  wink

I trust you blindly, we seem to share same taste for hacking device !

I'll take this one, thanks a lot for your advice .

best regards

You seem to be smart my friend !
Do you have an account where we can get in contact (mail, msn, skype, fb, etc) ?

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#5 2015-08-04 14:49:24

rbubba1911
Contributor
Registered: 2014-08-14
Posts: 86

Re: Choosing the right JTAG (advice needed)

hi,

With pleasure,  you can contact me  by ICQ n°86888493

see you

Update:

I've got my segger clone this morning,
at the  first connection, JlinkExe try to update and corrupt my firmware . (as expected !)

here is tutorial to unbrick and update V8

http://www.sonsivri.to/forum/index.php?topic=41726.50
http://gronlier.fr/blog/2015/07/unbrick-and-update-an-j-link-v8-clone/

Now, my clone is working (with the last firmware) even with Internet connected.

SEGGER J-Link Commander V5.00l ('?' for help)
Compiled Aug  7 2015 15:46:41
DLL version V5.00l, compiled Aug  7 2015 15:46:37
Firmware: J-Link ARM V8 compiled Nov 28 2014 13:44:46
Hardware: V8.00
S/N: xxxxxxx
Feature(s): RDI,FlashDL,FlashBP,JFlash,GDBFull
Emulator has Trace capability

Last edited by rbubba1911 (2015-08-21 15:55:04)


Double the trouble, Twice the fun !!

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