AT91SAM9261S_1 Datasheet, PDF (261/709 Pages) ATMEL Corporation – AT91 ARM Thumb-based Microcontrollers

AT91SAM9261S
26.9.8 PMC Clock Generator Main Clock Frequency Register
Name:
CKGR_MCFR
Address: 0xFFFFFC24
Access Type: Read-only
31
30
29
28
27
26
–
–
–
–
–
–
23
22
21
20
19
18
–
–
–
–
–
–
15
14
13
12
11
10
MAINF
7
6
5
4
3
2
MAINF
• 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.
25
24
–
–
17
16
–
MAINRDY
9
8
1
0
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