Motorola DragonBall MC9328MX1 Reference Manual page 535

Integrated portable system processor
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Table 20-25. Commands for MMC/SD Module (Continued)
CMD
Type
INDEX
CMD9
AC
[31:16] RCA
[15:0] stuff bits
CMD10
AC
[31:16] RCA
[15:0] stuff bits
CMD11
ADTC
[31:0] data
address
CMD12
AC
[31:0] stuff bits
CMD13
AC
[31:16] RCA
[15:0] stuff bits
CMD14
CMD15
AC
[31:16] RCA
[15:0] stuff bits
CMD16
AC
[31:0] block
length
CMD17
ADTC
[31:0] data
address
CMD18
ADTC
[31:0] data
address
CMD19
CMD20
ADTC
[31:0] data
address
CMD21:23
CMD24
ADTC
[31:0] data
address
CMD25
ADTC
[31:0] data
address
MOTOROLA
Multimedia Card/Secure Digital Host Controller Module (MMC/SD)
Response
Argument
Format
R2
R2
R1
R1b
R1
R1
R1
R1
R1
R1
R1
Functional Example for the MMC/SD Module
Abbreviation
SEND_CSD
Asks addressed card to sends its
card-specific data (CSD) on the
SD_CMD line.
SEND_CID
Asks addressed card to send its
card-identification (CID) on the
SD_CMD line.
READ_DAT
Reads data stream from the card,
_UNTIL_STOP
starting at the given address, until a
STOP_TRANSMISSION
STOP_
Forces the card to stop transmission.
TRANSMISSION
SEND_STATUS
Asks addressed card to send its status
register.
Reserved
GO_INACTIVE
Sets the card to inactive state to
_STATE
protect the card stack against
communication breakdowns.
SET_
Sets the block length (in bytes) for all
BLOCKLEN
future block commands (read and
write). Default block length is specified
in the CSD.
READ_SINGLE
Reads a block of the size selected by
_BLOCK
the
SET_BLOCKLEN
READ_
Transfers data blocks from the card to
MULTIPLE
the MMC/SD module continuously
_BLOCK
until interrupted by a
STOP_TRANSMISSION
Reserved
WRITE_DAT_
Writes data stream from the MMC/SD
UNTIL_STOP
module, starting at the given address,
until a
command is issued.
Reserved
WRITE_BLOCK
Writes a block of the size selected by
the
SET_BLOCKLEN
WRITE_
Writes blocks of data continuously
MULTIPLE_
until a
BLOCK
command is issued.
Description
command.
command.
command.
STOP_TRANSMISION
command.
STOP_TRANSMISSION
20-57

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