beautypg.com

4 mci sdcard/sdio register – Rainbow Electronics AT91CAP9S250A User Manual

Page 778

background image

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

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

SDCSEL

SDCard/SDIO Slot

0

0

Slot A is selected

.

0

1

Reserved

1

0

Reserved

1

1

Reserved

See also other documents in the category Rainbow Electronics Sensors: