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Altera_Forum's avatar
Altera_Forum
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16 years ago

HSMC JTAG chain

Hello, I am using Stratix III with data conversion card. I realized that HSMA_BYPASS has to be set 1 to enable the port A. This mean that JTAG setting should be set at '1100' in sw 1; "...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Referring to your original question:

--- Quote Start ---

I am using Stratix III with data conversion card.

I realized that HSMA_BYPASS has to be set 1 to enable the port A.

--- Quote End ---

This is wrong.

Read the manual strictly. Yes, I'm talking of JTAG control DIP switch. The setting HSMA_BYPASS = 1 is only correct, if a JTAG capable device is connected at the HSMA port. With no JTAG device at HSMA port, you get "can't access JTAG chain", as you already tried.