Atmel Evaluation Kit AT91SAM9X25-EK AT91SAM9X25-EK Hoja De Datos
Los códigos de productos
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
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28
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25
24
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23
22
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18
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16
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10
9
8
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USBDIV
7
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2
1
0
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USBS