Manual

366
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
29.9.1 PMC System Clock Enable Register
Register Name: PMC_SCER
Access Type: Write-only
• UHP: USB Host Port Clock Enable
0 = No effect.
1 = Enables the 12 and 48 MHz clock of the USB Host 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
––––––––
23 22 21 20 19 18 17 16
––––––––
15 14 13 12 11 10 9 8
––––PCK3PCK2PCK1PCK0
76543210
–UHP–––––PCK