SAM3X8E Atmel Corporation, SAM3X8E Datasheet - Page 564

• Manufacturer Part Number: SAM3X8E
• Manufacturer: Atmel Corporation

• MOSCRCF: Main On-Chip RC Oscillator Frequency Selection
At start-up, the Main On-Chip RC Oscillator frequency is 4 MHz.
• MOSCXTST: Main Crystal Oscillator Start-up Time
Specifies the number of Slow Clock cycles multiplied by 8 for the Main Crystal Oscillator start-up time.
• MOSCSEL: Main Oscillator Selection
0 = The Main On-Chip RC Oscillator is selected.
1 = The Main Crystal Oscillator is selected.
• CFDEN: Clock Failure Detector Enable
0 = The Clock Failure Detector is disabled.
1 = The Clock Failure Detector is enabled.
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Value
0x0
0x1
0x2
SAM3X/A
SAM3X/A
Name
4_MHz
8_MHz
12_MHz
Description
The Fast RC Oscillator Frequency is at 4 MHz (default)
The Fast RC Oscillator Frequency is at 8 MHz
The Fast RC Oscillator Frequency is at 12 MHz
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12