HB28K032MM3 Datasheet, PDF (62/91 Pages) Renesas Technology Corp – MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte

HB28K032/L064/J128/J256/J512MM3, HB28K032/L064/J128/J256RM3
CMD index SPI mode Argument Resp Abbreviation
Command description
CMD24 Yes
[31:0] data R1
address
WRITE_BLOCK
Writes a block. The write-block-length of
the Renesas MultiMediaCard is
permanently assigned to the value 512
bytes.*⁴
CMD25 Yes
[31:0] data R1
address
WRITE_MULTIPL Continuously writes blocks of data until a
E_BLOCK
“Stop Tran” token or the requested
number of block received.
CMD26 No
CMD27 Yes
CMD28 Yes
None
[31:0] data
address
R1 PROGRAM_CSD
R1b*³ SET_WRITE_
PROT
Programming of the programmable bits of
the CSD.
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 R1b CLR_WRITE_
address
PROT
If the card has write protection features,
this command clears the write protection
bit of the addressed group.
CMD30 Yes
[31:0] write R1
protect 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 Reserved
CMD32 No
CMD33 No
CMD34 No
CMD35 Yes
[31:0] data R1
address
TAG_ERASE_ Sets the address of the first erase group
GROUP_START within a range to be selected for erase
CMD36 Yes
[31:0] data R1
address
TAG_ERASE_
GROUP_END
Sets the address of the last erase group
within a continuous range to be selected
for erase
CMD37 No
CMD38 Yes
[31:0] stuff R1b ERASE
bits
Erases all previously selected groups
CMD39 No
CMD40 No
CMD41 Reserved
CMD42 Yes
[31:0] stuff R1
bits
LOCK/UNLOCK
Used to set/reset the password or
lock/unlock the card. The structure of the
data block is described in chapter “Card
lock/unlock operation”. The size of the
Data Block is defined by the
SET_BLOCK_LEN command.
Rev.0.02, Sep.15.2004, page 62 of 89