SAM7S256_14 Datasheet, PDF (207/775 Pages) ATMEL Corporation – ARM-based Flash MCU

25.9.8 PMC Clock Generator Main Clock Frequency Register
Register Name:
CKGR_MCFR
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
SAM7S Series [DATASHEET]
6175M–ATARM–26-Oct-12
207