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Tue Feb 8 09:12:16 EST 2011

AT91SAM7-EK expansion header

To what does the numbering on the expansion header correspond?  There
are numbers 0-31 and AD4-AD7.  Looking at the data sheet these are
probably the PA PIO numbers not package pin numbers.

That seems to be corrected.  AD4-AD7 are dedicated pins while AD0-AD3
are mapped to PA17-PA20.

For SPI there is:

      perA  perB
------------------
PA11  NPCS0 PWM0
PA12  MISO  PWM1
PA13  MOSI  PWM2
PA14  SPCK  PWM3





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