HB288064MM1 Datasheet, PDF (56/79 Pages) Hitachi Semiconductor – MultiMediaCard 64 MByte

HB288064MM1
CMD index SPI mode Argument
Resp Abbreviation
Command description
CMD24 Yes
[31:0] data
address
R1b*³ WRITE_BLOCK writes a block of the size selected by
the SET_BLOCKLEN command.*⁴
CMD25 No
CMD26 No
CMD27 Yes
None
R1b PROGRAM_CSD programming of the programmable
bits of the CSD.
CMD28 Yes
[31:0] data
address
R1b SET_WRITE_
PROT
if the card has write protection
features, this command sets the
write protection bit of the addressed
group. The properties of write
protection are coded in the card
specific data (WP_GRP_SIZE).
CMD29 Yes
[31:0] data
address
R1b CLR_WRITE_
PROT
if the card has write protection
features, this command clears the
write protection bit of the addressed
group.
CMD30 Yes
[31:0] write protect R1
data address
SEND_WRITE_
PROT
if the card has write protection
features, this command asks the
card to send the status of the write
protection bits.*⁵
CMD31 reversed
CMD32 Yes
[31:0] data
address
R1 TAG_SECTOR_ sets the address of the first sector of
START
the erase group.
CMD33 Yes
[31:0] data
address
R1 TAG_SECTOR_ sets the address of the last sector in
END
a continuous range within the
selected erase group, or the address
of a single sector to be selected for
erase.
CMD34 Yes
[31:0] data
address
R1 UNTAG_SECTOR removes one previously selected
sector from the erase selection.
CMD35 Yes
[31:0] data
address
R1 TAG_ERASE_ sets the address of the first erase
GROUP_START group within a range to be selected
for erase
CMD36 Yes
[31:0] data
address
R1 TAG_ERASE_
GROUP_END
sets the address of the last erase
group within a continuous range to
be selected for erase
CMD37 Yes
[31:0] data
address
R1 UNTAG_ERASE_ removes one previously selected
GROUP
erase group from the erase selection
CMD38 Yes
[31:0] stuff bits R1b ERASE
erases all previously selected
sectors
CMD39 No
CMD40 No
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