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Bug #1431
closeduse PA16 for UDP_PUP as required by SAM-BA
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Description
The AT91SAM7 manual explicitly indicates in "21.6 Hardware and Software Constraints" that PA16 should be used for the USB pull-up function.
Theh PA30 that we're using is not working, i.e. it remains high after reset, pulling UDP_PUP low, disabling the pull-up resistor.
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