
843
32072H–AVR32–10/2012
AT32UC3A3
31.7.1
Control Register
Name:
CR
Access Type:
Write-only
Offset:
0x000
Reset Value:
0x00000000
SWRST: Software Reset
Writing a one to this bit will reset the MCI interface.
Writing a zero to this bit has no effect.
IOWAITDIS: SDIO Read Wait Disable
Writing a one to this bit will disable the SDIO Read Wait Operation.
Writing a zero to this bit has no effect.
IOWAITEN: SDIO Read Wait Enable
Writing a one to this bit will enable the SDIO Read Wait Operation.
Writing a zero to this bit has no effect.
PWSDIS: Power Save Mode Disable
Writing a one to this bit will disable the Power Saving Mode.
Writing a zero to this bit has no effect.
PWSEN: Power Save Mode Enable
Writing a one to this bit and a zero to PWSDIS will enable the Power Saving Mode.
Writing a one to this bit and a one to PWSDIS will disable the Power Saving Mode.
Writing a zero to this bit has no effect.
Warning: Before enabling this mode, the user must write a value different from 0 to the PWSDIV field.
MCIDIS: Multi-Media Interface Disable
Writing a one to this bit will disable the Multi-Media Interface.
Writing a zero to this bit has no effect.
MCIEN: Multi-Media Interface Enable
Writing a one to this bit and a zero to MCIDIS will enable the Multi-Media Interface.
Writing a one to this bit and a one to MCIDIS will disable the Multi-Media Interface.
Writing a zero to this bit has no effect.
31
30
29
28
27
26
25
24
-
---
--
23
22
21
20
19
18
17
16
-
---
--
15
14
13
12
11
10
9
8
-
---
--
76
543
21
0
SWRST
-
IOWAITDIS
IOWAITEN
PWSDIS
PWSEN
MCIDIS
MCIEN