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參數(shù)資料
| 型號： | MC12U128DACA-2QC00 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | Dual Voltage MultiMediaCard Specification |
| 中文描述： | 雙電壓多媒體卡規(guī)格 |
| 文件頁數(shù)： | 41/64頁 |
| 文件大?。?/td> | 1385K |
| 代理商： | MC12U128DACA-2QC00 |
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MultiMediaCard
TM
The OCR is sent as a response to the CMD1 to signalize the supported voltage range. The
MultiMediaCard supports the range 1.70V to 1.95V and 2.7V to 3.6 V. Respectively the value of all bits
of the OCR field of the MultiMediaCard is set to 0x80FF8080. So the R3 frame of the MultiMediaCard
contains the value 0x3F80FF8080FF if the card is ready and 0x3F00FF8080FF if the card is busy.
Table 4-12 OCR : Response length 50Hz
0
start bit
0
card
bit5 … bit0
reserved
Bit31 … bit0
OCR field
Bit6 … bit0
reserved
1
end bit
4.9.7 Status
The response format R1 contains a 32-bit field with the name card status. This field is intended to
transmit status information which is stored in a local status register of each card to the host. The
following table defines the status register structure. The Type and Clear-Condition fields in the table
are coded as follows:
- Type:
E: Error bit.
S: Status bit.
R: Detected and set for the actual command response.
X: Detected and set during command execution. The host must poll the card by sending status
- Clear Condition:
A : According to the card state.
B: Always related to the previous command. Reception of a valid
command will clear it (with a delay of one command).
C: Clear by read.
Table 4-13 Status
Bits Identifier
Type Value
Description
Clear
condition
C
31
OUT_OF_RANGE
ER
‘0’ = no error
‘1’ = error
‘0’ = no error
‘1’ = error
The commands argument was out of
allowed range for this card.
A misaligned address, which did not match
the block length was used in the
command.
The transferred block length is not allowed
for this card or the number of transferred
bytes does not match the block length
An error in the sequence of erase
commands occurred.
An invalid selection, sectors or groups, for
erase.
The command tried to write a write C
30
ADDRESS_ERROR
ERX
C
29
BLOCK_LEN_ERR
OR
ER
‘0’ = no error
‘1’ = error
C
28
ERASE_SEQ_ERR
OR
ERASE_PARAM
ER
‘0’ = no error
‘1’ = error
‘0’ = no error
‘1’ = error
‘0’ = not protected
C
27
EX
C
26
WP_VIOLATION
ERX
41
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC12U128HACA | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:MultiMediaCard Specification |
| MC12U128HACA-0QC00 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:MultiMediaCard Specification |
| MC12U128HACB-0QC00 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:MultiMediaCard Specification |
| MC12U128HACC-0QC00 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:MultiMediaCard Specification |
| MC12U128HAFA-0QC00 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:MultiMediaCard Specification |
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