problem in JTAG connection

Hi All   I am working with the ADSP21xx Processor and trying to connect with the Hardware.   But unable to connect.    1) I am doing ICE test. In the ICE test i am getting Error.   The Error is : Determining the scan path length is failed           Message is : No JTAG device detected in the scan path. Check target power & verify JTAG signal Integrty     May i know Wether it is JTAG problem or The target problem.   Thanks in Advance   Regards sathish

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Hi!

Can you specify the problem better? When I have the same problem I can fix it turning off the computer and starting other time. Or sometimes, writing in the console "tsreset -normal".

But I don't know if these solutions are valid for you. I can't help you more than this.

Good luck!

Eduardo Méndez
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> Hi All
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> I am working with the ADSP21xx Processor and trying to connect with the Hardware.
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> But unable to connect.
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> �1) I am doing ICE test. In the ICE test i am getting Error.
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> The Error is : Determining the scan path length is failed
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> ������� Message is : No JTAG device detected in the scan path. Check target power & verify JTAG signal Integrty
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> May i know Wether it is JTAG problem or The target problem.
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> Thanks in Advance
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> Regards
> sathish
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Hello,
Are you using ADSP-21xx (16 bit, fixed point) or ADSP-21xxx (aka SHARC, 32 bit, floating point)??
In the former case, you should not use the JTAG based ICEs, but the so called 218x EzICE, which has a serial port connection.
Please clarify what are you exaclty using, so you can get better advice from the list.
Regards.

Jaime Andr Aranguren Cardona
j...@ieee.org
j...@computer.org

----- Original Message ----
From: sathish chandra
To: a...
Sent: Tuesday, May 13, 2008 8:02:15 AM
Subject: [adsp] problem in JTAG connection


Hi All

I am working with the ADSP21xx Processor and trying to connect with the Hardware.

But unable to connect.

1) I am doing ICE test. In the ICE test i am getting Error.

The Error is : Determining the scan path length is failed

Message is : No JTAG device detected in the scan path. Check target power & verify JTAG signal Integrty


May i know Wether it is JTAG problem or The target problem.

Thanks in Advance

Regards
sathish

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