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Problem porting the JBC Player in an Embedded System

Altera_Forum
Honored Contributor II
‎07-16-2014 11:18 PM
1,399 Views

I ported the JBC player (Jam STAPL ByteCode Player Version 2.2) for In System Programming per AN 122. When I attempt to read the ID code using the READ_IDCODE action, I get the following error 

 

Device# 1 unable to read IDCODE 

Unrecognized device 

Exit code = 6... Unrecognized device. 

 

I have scoped the TCK, TDO and TMS lines and there is activity on those pins. 

Is there something I can do to debug this issue?
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