Atmel SAM4S-EK2 Atmel ATSAM4S-EK2 ATSAM4S-EK2 Data Sheet
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Product codes
ATSAM4S-EK2
831
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
37.14.4 HSMCI SDCard/SDIO Register
Name: HSMCI_SDCR
Address:
0x4000000C
Access: Read-write
This register can only be written if the WPEN bit is cleared in
.
• SDCSEL: SDCard/SDIO Slot
• SDCBUS: SDCard/SDIO Bus Width
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
–
–
–
–
–
–
–
–
7
6
5
4
3
2
1
0
SDCBUS
–
–
–
–
SDCSEL
Value
Name
Description
0
SLOTA
Slot A is selected
.
1
SLOTB
–
2
SLOTC
–
3
SLOTD
–
Value
Name
Description
0
1
1 bit
1
–
Reserved
2
4
4 bit
3
8
8 bit