at91sam9260-cj ATMEL Corporation, at91sam9260-cj Datasheet - Page 274

• Manufacturer Part Number: at91sam9260-cj
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

26.9.8
Register Name:
Access Type:
• MAINF: Main Clock Frequency
Gives the number of Main Clock cycles within 16 Slow Clock periods.
• MAINRDY: Main Clock Ready
0 = MAINF value is not valid or the Main Oscillator is disabled.
1 = The Main Oscillator has been enabled previously and MAINF value is available.
6221G–ATARM–31-Jan-08
31
23
15
–
–
7
PMC Clock Generator Main Clock Frequency Register
30
22
14
CKGR_MCFR
Read-only
–
–
6
29
21
13
–
–
5
28
20
12
–
–
4
MAINF
MAINF
27
19
11
–
–
3
26
18
10
–
–
2
AT91SAM9260
25
17
–
–
9
1
MAINRDY
24
16
–
8
0
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