Datasheet

SAM4S Series [DATASHEET]
Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14
522
29.17.1 PMC System Clock Enable Register
Name: PMC_SCER
Address: 0x400E0400
Access: Write-only
This register can only be written if the WPEN bit is cleared in “PMC Write Protection Mode Register” .
• UDP: USB Device Port Clock Enable
0: No effect.
1: Enables the 48 MHz clock (UDPCK) of the USB Device Port.
• PCKx: Programmable Clock x Output Enable
0: No effect.
1: Enables the corresponding Programmable Clock output.
31 30 29 28 27 26 25 24
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23 22 21 20 19 18 17 16
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15 14 13 12 11 10 9 8
–––––PCK2PCK1PCK0
76543210
UDP–––––––