參數(shù)資料
型號: HB28B128MM2
廠商: Hitachi,Ltd.
英文描述: MultiMediaCard 16 Mbyte/32 Mbyte/64 Mbyte/128 MByte
中文描述: 多媒體16 Mbyte/32 Mbyte/64 Mbyte/128字節(jié)
文件頁數(shù): 64/88頁
文件大?。?/td> 329K
代理商: HB28B128MM2
HB28E016/D032/D064/B128MM2
64
Responses
There are several types of response tokens. As in the MultiMediaCard mode, all are transmitted MSB first:
Format R1
This response token is sent by the card after every command with the exception of SEND_STATUS
commands. It is one byte long, and the MSB is always set to zero. The other bits are error indications, an
error being signaled by a ‘1’. The structure of the R1 format is given in Figure “R1 Response Format”.
The meaning of the flags is defined as following:
In idle state:
The card is in idle state and running the initializing process.
Erase reset:
An erase sequence was cleared before executing because an out of erase sequence
command was received.
Illegal command:
An illegal command code was detected.
Communication CRC error:
The CRC check of the last command failed.
Erase sequence error:
An error in the sequence of erase commands occurred.
Address error:
A misaligned address, which did not match the block length, was used in the
command.
Parameter error:
The command’s argument (e.g. address, block length) was out of the allowed
range for this card.
in idle state
erase reset
illegal command
com crc error
erase sequence error
address error
parameter error
0
0
7
R1 Response Format
Format R1b
This response token is identical to the R1 format with the optional addition of the busy signal. The busy
signal token can be any number of bytes. A zero value indicates card is busy. A non-zero value indicates
the card is ready for the next command.
相關(guān)PDF資料
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HB28D032MM2 MultiMediaCard 16 Mbyte/32 Mbyte/64 Mbyte/128 MByte
HB28D064MM2 MultiMediaCard 16 Mbyte/32 Mbyte/64 Mbyte/128 MByte
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