Atmel ARM-Based Evaluation Kit for SAM4S16C, 32-Bit ARM® Cortex® Microcontroller ATSAM4S-WPIR-RD ATSAM4S-WPIR-RD Data Sheet
Product codes
ATSAM4S-WPIR-RD
SAM4S Series [DATASHEET]
Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14
906
38.14.4 HSMCI SDCard/SDIO Register
Name:
HS
MCI_SDCR
Address:
0x4000000C
Access:
Read
/Write
This register can only be written if the WPEN bit is cleared in “HSMCI Write Protection Mode Register” on page 926.
• 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 bits
3
8
8 bits