參數(shù)資料
型號(hào): HB288016MM1
廠商: Hitachi,Ltd.
英文描述: MultiMediaCard 16 MByte
中文描述: 多媒體16字節(jié)
文件頁(yè)數(shù): 57/79頁(yè)
文件大?。?/td> 233K
代理商: HB288016MM1
HB288016MM1
57
CMD index SPI mode Argument
Resp Abbreviation
Command description
CMD41
reserved
CMD42
Yes
[31:0] stuff bits
R1b
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.
CMD43...
CMD57
reserved
CMD58
Yes
None
R3
READ_OCR
Reads the OCR register of a card.
CMD59
Yes
[31:1] stuff bits
[0:0] CRC option
R1
CRC_ON_OFF
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
CMD60
Notes: 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 the CSD.
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.
5. 32 write protection bits (representing 32 write protect groups starting at the specified address)
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.
No
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