at91sam9263 ATMEL Corporation, at91sam9263 Datasheet - Page 370

• Manufacturer Part Number: at91sam9263
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

27.9.8
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.
370
31
23
15
–
–
7
AT91SAM9263 Preliminary
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
25
17
–
–
9
1
6249D–ATARM–20-Dec-07
MAINRDY
24
16
–
8
0