User manual

SAM9N12/CN11-EK User Guide 4-5
11186A–ATARM–29-Nov-12
Figure 4-4. SAM9CN11-EK Board Layout
4.3 Function Blocks
4.3.1 Processor
The EK board is equipped with a SAM9N12/CN11 device in BGA2
17 package. The processor runs at a
nominal frequency of 400 MHz for the core and 133 MHz for the system bus.
4.3.2 Clock Distribution
The SAM9N12/CN11-EK board includes three clock systems. Two of the clock systems are alternatives
for the S
AM9N12/CN11 main clock and one clock system is an oscillator used for the Ethernet controller
chip.