Hello,
After having trouble with my iBOBs becoming unresponsive to everything other
than the PROG button, I am considering using a digital IO device to remotely
toggle the PROG signal. I notice there is a header labeled J1 on the board
near the PROG button. Is this indeed connected to PROG? I looked in the iBOB
schematics, but the actual part numbers on the silkscreen do not seem to
show up in the schematics, but it does look like such a PROG header exists.
Just want to make sure. Has anyone used this header before? Any advice about
doing so? I am thinking of using either an open collector driver or an opto
isolator to ensure no high voltages are unintentionally connected to the
iBOB.

I am still having trouble coming to grips with the fact that when the iBOB
becomes unresponsive, it is still possible to program it using iMPACT and
read back the status register showing that there was no CRC error and
programming completed successfully, yet the PowerPC is completely
unaccessible via Ethernet or RS232. After reading through the datasheets, it
does not seem like this should be possible. I would suspect some hardware
problem, except both iBOBs behave the same and both run fine once they are
reset. Is there some sort of race condition between the PowerPC clock and
the ADC clock that could cause this?

Glenn

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