Atmel AT91SAM7L-STK Manual de usuario Pagina 33

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AT91SAM7L-EK Evaluation Board User Guide 6-1
6370A–ATARM–15-Feb-08
Section 6
Errata
6.1 Optimal Operation
For optimal operation of the AT91SAM7L microcontroller within a standard application, please apply the
following recommendations:
Add a 100K pulldown on CLKIN input (pin 125). Take care to place it very close to that pin.
Change ADVREF load resistor (R118) value to 180.
Add a 100K pullup on PIO line PC22.
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