Datasheet

473
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
• PCKx: Programmable Clock x Output Enable
0 = No effect.
1 = Enables the corresponding Programmable Clock output.
28.2.16.2PMC System Clock Disable Register
Name: PMC_SCDR
Address: 0x400E0404
Access: Write-only
This register can only be written if the WPEN bit is cleared in “PMC Write Protect Mode Register” .
• UDP: USB Device Port Clock Disable
0 = No effect.
1 = Disables the 48 MHz clock (UDPCK) of the USB Device Port.
• PCKx: Programmable Clock x Output Disable
0 = No effect.
1 = Disables 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
– – – – – PCK2 PCK1 PCK0
76543210
UDP–––––––