Atmel Evaluation Kit AT91SAM9G25-EK AT91SAM9G25-EK Data Sheet
Product codes
AT91SAM9G25-EK
1045
SAM9G25 [DATASHEET]
11032C–ATARM–25-Jan-13
46.4
Clock Characteristics
46.4.1 Processor Clock Characteristics
46.4.2 Master Clock Characteristics
The master clock is the maximum clock at which the system is able to run. It is given by the smallest value of the internal
bus clock and EBI clock.
bus clock and EBI clock.
Note:
1.
For DDR2 usage only, there are no limitations to LP-DDR, SDRAM and mobile SDRAM.
Table 46-5. Processor Clock Waveform Parameters
Symbol
Parameter
Conditions
Min
Max
Units
1/(t
CPPCK
)
Processor Clock Frequency
VDDCORE = 0.9V
T = 85°C
125
(1)
400
MHz
Table 46-6. Master Clock Waveform Parameters
Symbol
Parameter
Conditions
Min
Max
Units
1/(t
CPMCK
)
Master Clock Frequency
VDDCORE = 0.9V
T = 85°C
125
(1)
133
MHz