Multimedia Card Registers
18.5 Multimedia Card Registers
CAUTION
The MMC/SD/SDIO registers are limited to 32-bit data accesses. 16-bit and 8-
bit are not allowed and can corrupt register content.
18.5.1 MULTIMEDIA_CARD Registers
lists the memory-mapped registers for the MULTIMEDIA_CARD. All register offset addresses
not listed in
should be considered as reserved locations and the register contents should not
be modified.
Table 18-19. MULTIMEDIA_CARD REGISTERS
Offset
Acronym
Register Name
Section
110h
SD_SYSCONFIG
114h
SD_SYSSTATUS
124h
SD_CSRE
128h
SD_SYSTEST
12Ch
SD_CON
130h
SD_PWCNT
200h
SD_SDMASA
204h
SD_BLK
208h
SD_ARG
20Ch
SD_CMD
210h
SD_RSP10
214h
SD_RSP32
218h
SD_RSP54
21Ch
SD_RSP76
220h
SD_DATA
224h
SD_PSTATE
228h
SD_HCTL
22Ch
SD_SYSCTL
230h
SD_STAT
234h
SD_IE
238h
SD_ISE
23Ch
SD_AC12
240h
SD_CAPA
248h
SD_CUR_CAPA
250h
SD_FE
254h
SD_ADMAES
258h
SD_ADMASAL
25Ch
SD_ADMASAH
2FCh
SD_REV
3389
SPRUH73H – October 2011 – Revised April 2013
Multimedia Card (MMC)
Copyright © 2011–2013, Texas Instruments Incorporated