SAM9G35_14 Datasheet, PDF (197/1293 Pages) ATMEL Corporation – ARM-based Embedded MPU

22.13.9 PMC Clock Generator Main Clock Frequency Register
Name:
CKGR_MCFR
Address: 0xFFFFFC24
Access:
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.
• MAINFRDY: 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
–
MAINFRDY
9
8
1
0
SAM9G35 [DATASHEET]
11053E–ATARM–10-Mar-2014
197