MC2GH256NMCA-2SA00 SAMSUNG [Samsung semiconductor], MC2GH256NMCA-2SA00 Datasheet - Page 91

• Manufacturer Part Number: MC2GH256NMCA-2SA00
• Description: SAMSUNG MultiMediaCard
• Manufacturer: SAMSUNG [Samsung semiconductor]

CMD24
CMD25
CMD26
CMD27
CMD28
CMD29
CMD30
CMD31
CMD32
...
CMD34
CMD35
CMD36
CMD37
CMD38
CMD39
CMD40
CMD41
CMD42
Revision 0.3
INDEX
CMD
Yes
Yes
No
Yes
Yes
Yes
Yes
reserved
Reserved.
These command indexes cannot be used in order to maintain backwards compatibility with older versions of
the MultiMediaCards
Yes
Yes
Reserved.
This command index cannot be used in order to maintain backwards compatibility with older versions of the
MultiMediaCards
Yes
No
No
reserved
Yes
Mode
SPI
[31:0] data
address
[31:0] data
address
None
[31:0] data
address
[31:0] data
address
[31:0] write protect
data address
[31:0] data
address
[31:0] data
address
[31:0] stuff bits
[31:0] stuff bits.
Argument
R1
R1
R1
R1b
R1b
R1
R1
R1
R1b
R1b
Resp
4
WRITE_BLOCK
WRITE_
MULTIPLE_BLOCK
PROGRAM_CSD
SET_WRITE_PROT
CLR_WRITE_PROT
SEND_WRITE_PROT
ERASE_GROUP_
START
ERASE_GROUP_
END
ERASE
LOCK_UNLOCK
Abbreviation
91
Writes a block of the size selected by the
SET_BLOCKLEN command.
Continuously writes blocks of data until a
“Stop Tran’ Token or the requested num-
ber of blocks received.
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 spe-
cific data (WP_GRP_SIZE).
If the card has write protection features,
this command clears the write protection
bit of the addressed group
If the card has write protection features,
this command asks the card to send the
status of the write protection bits
Sets the address of the first erase group
within a range to be selected for erase
Sets the address of the last erase group
within a continuous range to be selected
for erase
Erases all previously selected erase
groups
Used to Set/Reset the Password or lock/
unlock the card. The structure of the data
block is described in Chapter 4.4.10. The
size of the Data Block is defined by the
SET_BLOCK_LEN command.
Command Description
MultiMediaCard
Sep.22.2005
3
5
TM