參數(shù)資料
型號(hào)： 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(yè)數(shù)： 57/64頁(yè)
文件大?。?/td> 1385K
代理商： MC12U128DACA-2QC00
MultiMediaCard
TM
Data Response
Every data block written to the card will be acknowledged by a data response token. It is one byte long
and has the following format:
Figure 4-11 Data Response
The meaning of the status bits is defined as follows:
‘010’ - Data accepted
‘101’ - Data rejected due to a CRC error.
‘110’ - Data rejected due to a Write Error.
4.10.13 Data Tokens
Read and write commands have data transfers associated with them. Data is being transmitted or
received via data tokens. All data bytes are transmitted MSB first.
Data tokens are 4 to (N + 3) bytes long (Where N is the data block length set using the
SET_BLOCK_LENGTH Command) and have the following format :
- First byte: Start Byte
Token Type
Transaction Type
7
Bit Position
0
Start Block
Single Block Read
1
1
1
1
1
1
1
0
Start Block
Multiple Block Read
1
1
1
1
1
1
1
0
Start Block
Single Block Write
1
1
1
1
1
1
1
0
Start Block
Multiple Block Write
1
1
1
1
1
1
0
0
Stop Tran
Multiple Block Write
1
1
1
1
1
1
0
1
Figure 4-12 Data Tokens
- Bytes 2 – (N + 1) : User data
- Last two bytes: 16 bit CRC.
4.10.14 Data Error Token
If a read operation fails and the card cannot provide the required data, it will send a data error token
instead. This token is one byte long and has the following format:
57
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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
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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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