Datasheet
403
32072H–AVR32–10/2012
AT32UC3A3
20.8 Module configuration
The specific configuration for each GPIO instance is listed in the following tables.The module
bus clocks listed here are connected to the system bus clocks according to the table in the Sys-
tem Bus Clock Connections section.
The reset values for all GPIO registers are zero with the following exceptions:
Table 20-2. Module configuration
Feature GPIO
Number of GPIO ports 4
Number of peripheral functions 4
Table 20-3. Module clock name
Module name Clock name
GPIO CLK_GPIO
Table 20-4. Register Reset Values
Port Register Reset Value
0 GPER 0xFFFFFFFF
0 GFER 0xFFFFFFFF
1 GPER 0xFFFFFFFF
1 GFER 0xFFFFFFFF
2 GPER 0xFFFFFFFF
2 GFER 0xFFFFFFFF
3 GPER 0x00007FFF
3 GFER 0x00007FFF