HB28K032MM3 Datasheet, PDF (61/91 Pages) Renesas Technology Corp – MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte

HB28K032/L064/J128/J256/J512MM3, HB28K032/L064/J128/J256RM3
Commands and Arguments
CMD index SPI mode Argument
Resp Abbreviation
Command description
CMD0
Yes
None
R1 GO_IDLE_STATE Resets the MultiMediaCard
CMD1
Yes
None
R1 SEND_OP_COND Activates the card’s initialization
process.
CMD2
No
CMD3
No
CMD4
No
CMD5
Reserved
CMD6
Reserved
CMD7
No
CMD8
Reserved
CMD9
Yes
None
R1 SEND_CSD
Asks the selected card to send its
card-specific data (CSD)
CMD10 Yes
None
R1 SEND_CID
Asks the selected card to send its
card identification (CID)
CMD11 No
CMD12 Yes
None
R1 STOP_TRANSMIS Stop transmission on multiple read
SION
CMD13 Yes
None
R2 SEND_STATUS Asks the selected card to send its
status register.
CMD14 Reserved
CMD15 No
CMD16 Yes
[31:0] block length R1
SET_BLOCKLEN
Selects a block length (in bytes) for
all following block-oriented read
commands and lock card
command.*¹
CMD17 Yes
[31:0] data
address
R1 READ_SINGLE_ Reads a block of the size selected
BLOCK
by the SET_BLOCKLEN
command.*²
CMD18 Yes
[31:0] data
address
R1 READ_MULTIPLE Continuously transfers data block
_BLOCK
from card to host until interrupted by
a stop command or the requested
number of data blocks transmitted.
CMD19 Reserved
CMD20 No
CMD21... Reserved
CMD22
CMD23 Yes
[31:16] set to 0 R1
[15:0] number of
blocks
SET_BLOCK_CO
UNT
Defines the number of blocks which
are going to be transferred in the
immediately succeeding multiple
block read or write command.
Rev.0.02, Sep.15.2004, page 61 of 89