Atmel Evaluation Kit AT91SAM9X25-EK AT91SAM9X25-EK Data Sheet
Product codes
AT91SAM9X25-EK
205
SAM9X25 [DATASHEET]
11054E–ATARM–10-Mar-2014
22.13.17PMC Status Register
Name:
PMC_SR
Address:
0xFFFFFC68
Access:
Read-only
• MOSCXTS: Main XTAL Oscillator Status
0 = Main XTAL oscillator is not stabilized.
1 = Main XTAL oscillator is stabilized.
• LOCKA: PLLA Lock Status
0 = PLLA is not locked
1 = PLLA is locked.
• MCKRDY: Master Clock Status
0 = Master Clock is not ready.
1 = Master Clock is ready.
• LOCKU: UPLL Clock Status
0 = UPLL Clock is not ready.
1 = UPLL Clock is ready.
• OSCSELS: Slow Clock Oscillator Selection
0 = Internal slow clock RC oscillator is selected.
1 = External slow clock 32 kHz oscillator is selected.
• PCKRDYx: Programmable Clock Ready Status
0 = Programmable Clock x is not ready.
1 = Programmable Clock x is ready.
• MOSCSELS: Main Oscillator Selection Status
0 = Selection is in progress.
1 = Selection is done.
• MOSCRCS: Main On-Chip RC Oscillator Status
0 = Main on-chip RC oscillator is not stabilized.
1 = Main on-chip RC oscillator is stabilized.
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
FOS
CFDS
CFDEV
MOSCRCS
MOSCSELS
15
14
13
12
11
10
9
8
–
–
–
–
–
–
PCKRDY1
PCKRDY0
7
6
5
4
3
2
1
0
OSCSELS
LOCKU
–
–
MCKRDY
–
LOCKA
MOSCXTS