Datasheet

153
42023E–SAM–07/2013
ATSAM4L8/L4/L2
1: the Power Save Mode will be the RETENTION mode if the SCR.SLEEPDEEP bit is set to 1 and the Backup Mode is set to
zero.
• BKUP: BACKUP Mode
0: the Power Save Mode will not be the BACKUP mode.
1: the Power Save Mode will be the BACKUP mode if the SCR.SLEEPDEEP bit is set to 1.
• PSCREQ: Power Scaling Change Request
0: A new power scaling is not requested.
1: A new power scaling is requested.
This bit is cleared by hardware after the completion of the power scaling change.
• PS: Power Scaling Configuration Value
Refer to Section 6.1.5 ”Power Save Mode Summary Table” on page 56 and to Figure 6-1 on page 51
This field is reset to its default value when exiting the backup mode.
Note that this register is protected by a lock. To write to this register the UNLOCK register has to be written first. Refer to
Section 11.6.7 ”Unlock Register” on page 151 for details.