SH7785 Datasheet, PDF (1231/1692 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

24. Multimedia Card Interface (MMCIF)
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_
R1
START
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.
Rev.1.00 Jan. 10, 2008 Page 1201 of 1658
REJ09B0261-0100