Intel PXA26X - Manual (Page 544)

15-32 Intel® PXA26x Processor Family Developer’s Manual
MultiMediaCard Controller
Table 15-18. MMC_CMD Register
Physical Address
4110_0030
MMC_CMD Register MMC
Bit 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
R
ese
rved
R
ese
rved
R
ese
rved
CM
D
_
INDE
X
Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0
Bits Name Description
31:8 — Reserved
7 — Reserved, read only, always 0. Start bit for command sequence and cannot be changed.
6 —
Reserved, read only, always 1. Transmission bit in command sequence and cannot be
changed.
5:0 CMD_INDEX Command index (see Table 15-19 )
Table 15-19. Command Index Values (Sheet 1 of 3)
CMD
INDEX
COMM
AND
MODE ABBREVIATION
000000 CMD0 MMC/SPI GO_IDLE_STATE
000001 CMD1 MMC/SPI SEND_OP_COND
000010 CMD2 MMC ALL_SEND_CID
000011 CMD3 MMC SET_RELATIVE_ADDR
000100 CMD4 MMC SET_DSR
000101 CMD5 Reserved
000110 CMD6 Reserved
000111 CMD7 MMC SELECT/DESELECT_CARD
001000 CMD8 Reserved
001001 CMD9 MMC/SPI SEND_CSD
001010 CMD10 MMC/SPI SEND_CID
001011 CMD11 MMC READ_DAT_UNTIL_STOP
001100 CMD12 MMC STOP_TRANSMISSION
001101 CMD13 MMC/SPI SEND_STATUS
001110 CMD14 Reserved
001111 CMD15 MMC GO_INACTIVE_STATE
010000 CMD16 MMC/SPI SET_BLOCKLEN
010001 CMD17 MMC/SPI READ_SINGLE_BLOCK
010010 CMD18 MMC READ_MULTIPLE_BLOCK
010011 CMD19 Reserved
010100 CMD20 MMC WRITE_DAT_UNTIL_STOP
010101 CMD21 Reserved