hb28b128mm2 Renesas Electronics Corporation., hb28b128mm2 Datasheet - Page 66
hb28b128mm2
Manufacturer Part Number
hb28b128mm2
Description
Multimediacard 16 Mbyte/32 Mbyte/64 Mbyte/128 Mbyte
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.HB28B128MM2.pdf
(90 pages)
- Current page: 66 of 90
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HB28H016/D032/B064/B128MM2
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:
• 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.
Rev.5.0, Jan. 2003, page 64 of 88
• 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
• 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
• Parameter error: The command’s argument (e.g. address, block length) was out of the
6. “MultiMediaCard system specification Version 3.1” does not support these commands, but these
7. ‘1’ the host gets a block of data from the card.
command was received.
command.
allowed range for this card.
Hitachi MultiMediaCards support them to keep backward compatibility with former
MultiMediaCard series.
‘0’ the host sends block of data to the card.
0
7
R1 Response Format
0
in idle state
erase reset
illegal command
com crc error
erase sequence error
address error
parameter error
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