Re: JTAG confusion

From: Joshua Wise <joshua.a.t.joshuawise.com>
Date: Sat Sep 18 2004 - 15:38:09 EDT

> I, too, was a bit confused about the control bit (or lack thereof), but
> when I write my chain, everything else in the chain is set to zeros. I
> wonder if I have to set a control bit high instead of low to get high-z?

YES!!! Apparently bit 142 is the control!! Set it high for the hamcop to
stop driving. At that point, it will rest at around 3.20v as read by my
multimeter, and can be taken down to 0.0v instead of 2.21v through a
100ohm resistor. YES!

joshua
Received on Sat Sep 18 15:38:10 2004

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