SAM3A4C Atmel Corporation, SAM3A4C Datasheet - Page 565
SAM3A4C
Manufacturer Part Number
SAM3A4C
Description
Manufacturer
Atmel Corporation
- Current page: 565 of 1465
- Download datasheet (26Mb)
28.2.15.9
Name:
Address:
Access:
This register can only be written if the WPEN bit is cleared in
• 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.
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
31
23
15
–
–
7
PMC Clock Generator Main Clock Frequency Register
CKGR_MCFR
0x400E0624
Read-only
30
22
14
–
–
6
29
21
13
–
–
5
28
20
12
–
–
4
MAINF
MAINF
“PMC Write Protect Mode Register”
27
19
11
–
–
3
26
18
10
–
–
2
.
25
17
–
–
9
1
SAM3X/A
SAM3X/A
MAINFRDY
24
16
–
8
0
565
565
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