HB28D032MM2 datasheet(63/90 Pages) RENESAS

63 / 90 page

HB28H016/D032/B064/B128MM2

Rev.5.0, Jan. 2003, page 61 of 88

Commands and Arguments

CMD index SPI mode Argument

Resp Abbreviation

Command description

CMD0

Yes

None

GO_IDLE_STATE resets the MultiMediaCard

CMD1

Yes

None

SEND_OP_COND Activates the card’s initialization

process.

CMD2

CMD3

CMD4

CMD5

reversed

CMD6

reversed

CMD7

CMD8

reversed

CMD9

Yes

None

SEND_CSD

asks the selected card to send its

card-specific data (CSD)

CMD10

Yes

None

SEND_CID

asks the selected card to send its

card identification (CID)

CMD11

CMD12

Yes

None

STOP_TRANSMIS

SION

stop transmission on multiple read

CMD13

Yes

None

SEND_STATUS

asks the selected card to send its

status register.

CMD14

reversed

CMD15

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 comand.*

CMD17

Yes

[31:0] data

address

READ_SINGLE_

BLOCK

reads a block of the size selected by

the SET_BLOCKLEN command.*

CMD18

Yes

[31:0] data

address

READ_MULTIPLE

_BLOCK

continuously transfers data block

from card to host until interrupted by

a stop command or the requested

number of data blocks transmitted.

CMD19

reversed

CMD20

CMD21...

CMD22

reversed

CMD23

Yes

[31:16] set to 0

[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.

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