Datasheet

539
SAM3X / SAM3A [DATASHEET]
Atmel-11057C-ATARM-SAM3X-SAM3A-Datasheet_23-Mar-15
28.15.1 PMC System Clock Enable Register
Name: PMC_SCER
Address: 0x400E0600
Access: Write-only
This register can only be written if the WPEN bit is cleared in “PMC Write Protect Mode Register” .
• UOTGCLK: Enable USB OTG Clock (48 MHz, USB_48M) for UTMI
Enable only when UOTGHS module is in low-power mode (SPDCONF =1).
0 = No effect.
1 = Enable USB_48M (to use if SPDCONF =1).
• PCKx: Programmable Clock x Output Enable
0 = No effect.
1 = Enables the corresponding Programmable Clock output.
31 302928 27 26 25 24
––––––––
23 22 21 20 19 18 17 16
––––––––
15 14 13 12 11 10 9 8
–––––PCK2PCK1PCK0
76543 210
––UOTGCLK–––––