Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet
Product codes
AT91SAM9N12-EK
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 BGA217 package. The processor runs at a
nominal frequency of 400 MHz for the core and 133 MHz for the system bus.
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 SAM9N12/CN11 main clock and one clock system is an oscillator used for the Ethernet controller
chip.
for the SAM9N12/CN11 main clock and one clock system is an oscillator used for the Ethernet controller
chip.