at91sam9x25-cu ATMEL Corporation, at91sam9x25-cu Datasheet - Page 11

• Manufacturer Part Number: at91sam9x25-cu
• Description: At91sam Arm-based Embedded Mpu
• Manufacturer: ATMEL Corporation

11054AS–ATARM–29-Jul-11
Indicates if Schmitt Trigger is enabled.
Note:
• “ST”
Example:
configured as an Input with Pull-Up and Schmitt Trigger enabled. PD14 reset state is “PIO, I, PU”.
That means PIO Input with Pull-Up. PD15 reset state is “A20, O, PD” which means output address
line 20 with Pull-Down.
The PB18 “Reset State” column shows “PIO, I, PU, ST”. That means the line PIO18 is
SAM9X25
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