Atmel Evaluation Kit AT91SAM9X25-EK AT91SAM9X25-EK Data Sheet
Product codes
AT91SAM9X25-EK
200
SAM9X25 [DATASHEET]
11054E–ATARM–10-Mar-2014
22.13.12PMC USB Clock Register
Name:
PMC_USB
Address:
0xFFFFFC38
Access:
Read-write
• USBS: USB OHCI Input Clock Selection
0 = USB Clock Input is PLLA
1 = USB Clock Input is UPLL
• USBDIV: Divider for USB OHCI Clock.
USB Clock is Input clock divided by USBDIV+1
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
–
–
–
–
USBDIV
7
6
5
4
3
2
1
0
–
–
–
–
–
–
–
USBS