Maybe someone can make a suggestion:
I'm building a board with a Coolrunner XPLA3384 on it, however, my intitial (very very basic) test code is running into problems... The device is programmed and verified successfully, but all (configured) output pins remain at ground.
Pins not configured as outputs a pulled up by the internal pullup resistors, just as when the device is in an erased state. I'm using dedicated JTAG pins to configure the device
I've checked the power and ground pins, all are looking good, same goes for short circuits between the pins and ground...
I feel I'm missing something small - can anyone perhaps make a suggestion on where to look?
Thanks
johannes