at91rm3400 ATMEL Corporation, at91rm3400 Datasheet - Page 147

• Manufacturer Part Number: at91rm3400
• Description: Atmel Advanced At91 Arm Microcontroller
• Manufacturer: ATMEL Corporation

PMC Clock Generator Main Clock Frequency Register
Register Name: CKGR_MCFR
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.
1790A–ATARM–11/03
31
23
15
–
–
7
Read-only
30
22
14
–
–
6
29
21
13
–
–
5
28
20
12
–
–
4
MAINF
MAINF
27
19
11
–
–
3
26
18
10
–
–
2
AT91RM3400
25
17
–
–
9
1
MAINRDY
24
16
–
8
0
147