Renesas SH7781 User Manual

Page 1231

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24. Multimedia Card Interface (MMCIF)

Rev.1.00 Jan. 10, 2008 Page 1201 of 1658

REJ09B0261-0100

CMD

CMDTYR

RSPTYR

INDEX Abbreviation

resp

6 5 4 3 2 [1:0] 6 5 4 [2:0]

CMD32

*

1

TAG_SECTOR_START R1 00

*

4

100

CMD33

*

1

TAG_SECTOR_END

R1 00

*

4

100

CMD34

*

1

UNTAG_SECTOR

R1 00

*

4

100

CMD35 TAG_ERASE_GROUP_

START

R1

00

*

4

100

CMD36

TAG_ERASE_GROUP_END

R1 00

*

4

100

CMD37

*

1

UNTAG_ERASE_GROUP R1 00

*

4

100

CMD38

ERASE

R1b

00 1

*

4

100

CMD39

FAST_IO

R4 00

*

4

100

CMD40

GO_IRQ_STATE

R5 00

*

4

100

CMD42

LOCK_UNLOCK

R1b

10 1

*

4

100

CMD55

APP_CMD

R1 00

*

4

100

CMD56

GEN_CMD

R1b

*

5

1

*

4

100

Notes: A blank: Means value 0.

1. These commands are not supported by MMCA Ver3.1 and later cards.

2. Set bits TY6 and TY2 = B'10 when the number of blocks for transfer is set in advance.

Set bits TY6 and TY2 = B'01 when the number of blocks for transfer is not set.

3. Set this bit when executing multiple-block transfer with use of secure MMC.

4. Set this bit to 1 when checking CRC of a command response.

5. Set these bits to B'01 when reading and B'10 when writing.

6. This command was newly added in MMCA Ver.3.1.

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