EZ-USB FX3 Technical Reference Manual, Document Number: 001-76074 Rev. *F 633
SDMMC_CMD_ARG0
0xFC
10.26.6 SDMMC_CMD_ARG0
SDMMCC Command Argument Register
The SDMMC_CMD_ARG0 register holds the lower 32 bits of the SD/MMC/SDIO command argument. Any additional argu-
ment bits for expanded command may be placed in the SDMMC_CMD_ARG1 register. There are two copies of this register
corresponding to the two storage ports. The address of each register is calculated as 0xe0020004 + (port * 0x0400).
31:0 ARG Lower 32 bits of the command argument.
SDMMC_CMD_ARG0
SDMMC Command Argument 0
0xE0020004
b31 b30 b29 b28 b27 b26 b25 b24
ARG[31:24]
RRRRRRRR
WWWWWWWW
00000000
b23 b22 b21 b20 b19 b18 b17 b16
ARG[23:16]
RRRRRRRR
WWWWWWWW
00000000
b15 b14 b13 b12 b11 b10 b9 b8
ARG[15:8]
RRRRRRRR
WWWWWWWW
00000000
b7 b6 b5 b4 b3 b2 b1 b0
ARG[7:0]
RRRRRRRR
WWWWWWWW
00000000
Bit Name Description