MC56U032NCFA Samsung Semiconductor, Inc., MC56U032NCFA Datasheet - Page 55

• Manufacturer Part Number: MC56U032NCFA
• Description: Flash Card
• Manufacturer: Samsung Semiconductor, Inc.

CMD25
CMD26
CMD27
CMD28
CMD29
CMD30
CMD31
CMD35
CMD36
CMD38
CMD39
CMD40
CMD41
CMD42
CMD43…
CMD57
CMD58
CMD59
CMD60
Notes :
MultiMediaCard
1. The default block length is as specified in the CSD.
2. The data transferred must not cross a physical block boundary unless READ_BLK_MISALIGN is set in
3. R1b : R1 response with an optional trailing busy signal.
4. The data transferred must not cross a physical block boundary unless WRITE_BLK_MISALIGN is set in
the CSD.
the CSD.
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
reserved
Yes
Yes
Yes
No
No
reserved
reserved
Yes
No
[31:0]
None
[31:0]
[31:0]
[31:0] write protect
[31:0]
[31:0]
[31:0] stuff bits
[31:0] stuff bits
None
[31:0] stuff bits
[0:0] CRC option
TM
address
address
address
data address
address
address
data
data
data
data
data
R1
R1b
R1b
R1b
R1
R1
R1
R1b
R1b
R3
R1
WRITE_MULTIPL
PROGRAM_CSD
SET_WRITE_
CLR_WRITE_
SEND_WRITE_
TAG_ERASE_
TAG_ERASE_
ERASE
LOCK/UNLOCK
READ_OCR
CRC_ON_OFF
E_BLOCK
PROT
PROT
PROT
GROUP_START
GROUP_END
programming of the
erases all previously selected
Reads the OCR register of a card.
command.
continuously writes blocks of data
until a “Stop Tran” Token or the
requested number of blocks
received.
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).
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
sectors
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.
Turns the CRC option on or off. A
‘1’ in the CRC option bit will turn
the option on, a ‘0’ will turn it off.
*4
*5
55