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problem in JTAG connection

Started by sathish chandra ●December 31, 2005
I wrote a small code in adsp2191 and that code is building properly in simulator. If i use emulator to connect to the target through JTAG CONNECTOR,the code build message will comes and immediatly in the output window i am receiving the following ERROR  message,
 
 
        : JTAG SCAN FAILED AND EMULATOR POWER CONNECTION ERROR
 
thanks in advance
 
sathish
 

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Reply by Mike Rosing ●December 31, 20052005-12-31
On Sat, 31 Dec 2005, sathish chandra wrote:

> I wrote a small code in adsp2191 and that code is building properly in simulator. If i use emulator to connect to the target through JTAG CONNECTOR,the code build message will comes and immediatly in the output window i am receiving the following ERROR message, > : JTAG SCAN FAILED AND EMULATOR POWER CONNECTION ERROR

Sounds like the order you turn things on makes a difference. Try powering
up the target before connecting the jtag. Or just make sure power is on
the target correctly, maybe you need multiple supplies and one isn't
working.

Patience, persistence, truth,
Dr. mike