hb28d032bp2 Renesas Electronics Corporation., hb28d032bp2 Datasheet - Page 31

• Manufacturer Part Number: hb28d032bp2
• Description: Mobile Embedded Flash With Multimediacard-tm Interface 16 Mbyte/32 Mbyte
• Manufacturer: Renesas Electronics Corporation.

Write Protection Commands (class 6)
CMD
index
CMD28
CMD29
CMD30
Note:
Lock Card Command (class 7)
CMD
index
CMD42
1. 32 write protection bits (representing 32 write protect groups starting at the specified address)
Type Argument
ac
ac
adtc
Type Argument
adtc
followed by 16 CRC bits are transferred in a payload format via the data line. The last (least
significant) bit of the protection bits corresponds to the first addressed group. If the addresses of
the last groups are outside the valid range, then the corresponding write protection bits shall be
set to zero.
[31:0] data
address
[31:0] data
address
[31:0] write
protect data
address
[31:0] stuff bits
Resp Abbreviation
R1b
R1b
R1
Resp
R1b
SET_WRITE_PROT
CLR_WRITE_PROT
SEND_WRITE_PROT if the card provides write protection features,
Abbreviation
LOCK_UNLOCK
Command description
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 provides write protection features,
this command clears the write protection bit
of the addressed group.
this command asks the card to send the
status of the write protection bits.*
Command description
used to set/reset the password or
lock/unlock the card. The size of the
data block is set by the
SET_BLOCK_LEN command.
HB28E016/D032BP2
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