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MultiMediaCard Product Manual
CMD24
CMD25
CMD26
CMD27
class 6 - 8
CMD28
CMD29
CMD30
class 5
CMD32
CMD33
CMD34
CMD35
CMD36
CMD37
CMD38
class 9
CMD39, CMD40
class 10 - 11
CMD41...CMD59
CMD60...CMD63
5.9
Responses
All responses are sent via the CMD line. The response transmission always starts with the MSB. The
response length depends on the response type.
A response always starts with a start bit (always '0'), followed by the bit indicating the direction of
transmission (card = '0'). A value denoted by 'x' in the tables below indicates a variable entry. A l l
responses except for the type R3 (see below) are protected by a CRC. Every response is terminated by t h e
end bit (always '1').
There are five types of responses. Their formats are defined as follows:
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Currently not supported.
Reserved
Reserved for manufacturer
SanDisk MultiMediaCard Product Manual Rev. 2 © 2000 SANDISK CORPORATION
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rcv
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rcv
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rcv
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rcv
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prg
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prg
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data
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tran
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tran
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tran
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tran
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tran
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tran
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prg
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rcv
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rcv
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stby
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stby
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stby
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stby
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stby
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stby
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stby
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stby
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