I've pondered this a bit and I've rejected the idea of chaining
targets for testing purposes:

- it doesn't test what the users would be doing
- you can't mix high/low frequency targets
- RTCK will ruin your whole day here
- weird TRST behaviour making two targets mutually exclusive
on a chain

The list goes on....


Eventually I thought of the idea to have lots of ZY1000 connected
to an ethernet hub and have a PC talk to each target via JTAG
over TCP/IP ;-)


-- 
Øyvind Harboe
Embedded software and hardware consulting services
http://www.zylin.com
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