Renesas SH7781 User Manual
Page 1231

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.