On Jan 14, 2009, at 7:52 AM, Øyvind Harboe wrote:

On Wed, Jan 14, 2009 at 4:49 PM, Rick Altherr <[email protected]> wrote:
If you don't set an expected ID, then the chain validation won't fail for that tap. By declaring an expected ID, we will fail if it doesn't match
since we _expect_ it to match.

???

validation is about the ir values and not the IDCODE....


I thought examination was about the IR values and validation was about the expected IDs.


so if IDCODE is 0, then ir validate will fail....



--
Øyvind Harboe
http://www.zylin.com/zy1000.html
ARM7 ARM9 XScale Cortex
JTAG debugger and flash programmer

--
Rick Altherr
[email protected]

"He said he hadn't had a byte in three days. I had a short, so I split it with him."
 -- Unsigned



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