Datasheet

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 “HSMCI Write Protect Mode Register” on page 851.

• 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

––––––––

76543210

SDCBUS – – – – SDCSEL

Value Name Description

0 SLOTA

Slot A is selected.

1 SLOTB –

2 SLOTC –

3 SLOTD –

Value Name Description

1bit

1–

Reserved

244bit

388bit