參數(shù)資料
型號: HB28J256MM3
廠商: Renesas Technology Corp.
英文描述: MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte
中文描述: 多媒體32 MByte/64 MByte/128 MByte/256 MByte/512字節(jié)
文件頁數(shù): 44/91頁
文件大?。?/td> 526K
代理商: HB28J256MM3
HB28K032/L064/J128/J256/J512MM3, HB28K032/L064/J128/J256RM3
Rev.0.02, Sep.15.2004, page 44 of 89
Responses
All responses are sent via command line (CMD), all data starts with the MSB.
Format R1
(response command):
response length 48 bits.
0
start bit
0
card
1
end bit
bit5...bit0
command
bit31...bit0
status
bit6...bit0
CRC
The contents of the status field are described in Chapter
Status
Format R1b
(response command with busy signal):
R1b
is identical to R1 with an optional busy signal transmitted on the data line. The card may become
busy after receiving these commands based on its state prior to the command reception.
Format R2
(CID, CSD register):
response length 136 bits.
Note: Bit 127 down to bit 1 of CID and CSD are transferred, the reserved bit [0] is replaced by the end bit.
0
start bit
0
card
1
end bit
bit5...bit0
reserved
bit127...bit1
CID or CSD register
including internal CRC
CID register is sent as a response to commands CMD2 and CMD10.
CSD register is sent as a response to the CMD9.
Format R3
(OCR):
response length 48 bits.
0
start bit
0
card
1
end bit
bit5...bit0
reserved
bit31...bit0
OCR field
bit6...bit0
reserved
The OCR is sent as a response to the CMD1 to signalize the supported voltage range. These Renesas
MultiMediaCards support the range from 2.7 V to 3.6 V. Respectively the value of all bits of the OCR
field of these Renesas MultiMediaCards is set to 0x80FF8000. So the R3 frame contains the value
0x3F80FF8000FF if the card is ready and 0x3F00FF8000FF if the card is busy.
相關(guān)PDF資料
PDF描述
HB28J256RM3 MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte
HB28L064RM3 MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte
HB28K032MM3 MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte
HB28K032RM3 MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte
HB28L064MM3 MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte
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