4 mci sdcard/sdio register – Rainbow Electronics AT91CAP9S250A User Manual
Page 778
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778
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
41.10.4
MCI SDCard/SDIO Register
Name: MCI_SDCR
Access Type: Read/write
• SDCSEL: SDCard/SDIO Slot
• SDCBUS: SDCard/SDIO Bus Width
0 = 1-bit data bus
1 = 4-bit data bus
31
30
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25
24
–
–
–
–
–
–
–
–
23
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20
19
18
17
16
–
–
–
–
–
–
–
–
15
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11
10
9
8
–
–
–
–
–
–
–
–
7
6
5
4
3
2
1
0
SDCBUS
–
–
–
–
–
SDCSEL
SDCSEL
SDCard/SDIO Slot
0
0
Slot A is selected
.
0
1
Reserved
1
0
Reserved
1
1
Reserved
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