Greetings:
Would anyone have any idea how to enable the LPC2292 TRACECLK pin P1.24 output? This seems like it should be simple, yet I am having no luck getting this pin to oscillate. The Philips user manual states that a 4.7 kohm resistor between TRACESYNC and Vss will cause pins P1.25-16 to come up from reset as a trace port. We've tried this but have no TRACECLK, suggesting the LPC2292 didn't configure itself.
Similarly, I've tried setting bits 2 and 3 in PINSEL2. Setting these bits should configure pins P1.31-26 as a debug port and pins 1.25-16 as a trace port. Again, my TRACECLK output remains static.
Is there something obvious I am overlooking necessary to get TRACECLK ticking?
Thanks for any hints or suggestions.
Doug