EZ-USB FX3 Technical Reference Manual, Document Number: 001-76074 Rev. *F 635
SDMMC_RESP_IDX
0xFC
10.26.8 SDMMC_RESP_IDX
SDMMC Response Index Register
The first eight bits of the response is captured in the RESP_IDX register. These eight bits include start, transmission, and
command index fields. There are two copies of this register corresponding to the two storage ports. The address of each reg-
ister is calculated as 0xe002000C + (port * 0x0400).
7ST_BIT Start-bit: As received in response.
6 TR_BIT Transmission bit: As received in response.
5:0 CMD Command index. As received in response
SDMMC_RESP_IDX
SDMMC Response Index
0xE002000C
b31 b30 b29 b28 b27 b26 b25 b24
b23 b22 b21 b20 b19 b18 b17 b16
b15 b14 b13 b12 b11 b10 b9 b8
b7 b6 b5 b4 b3 b2 b1 b0
ST_BIT TR_BIT CMD[5:0]
WWWWWWWW
RRRRRRRR
00000000
Bit Name Description
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