Atmel SAM4S-EK2 Atmel ATSAM4S-EK2 ATSAM4S-EK2 Data Sheet

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SAM4S [DATASHEET]

11100E–ATARM–24-Jul-13

The System Controller is a set of peripherals which allows handling of key elements of the system, such as power,
resets, clocks, time, interrupts, watchdog, etc...

See the system controller block diagram in 

.