參數(shù)資料
型號： HB28J256MM3
廠商： Renesas Technology Corp.
英文描述： MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte
中文描述： 多媒體32 MByte/64 MByte/128 MByte/256 MByte/512字節(jié)
文件頁數(shù)： 26/91頁
文件大?。?/td> 526K
代理商： HB28J256MM3
HB28K032/L064/J128/J256/J512MM3, HB28K032/L064/J128/J256RM3
Rev.0.02, Sep.15.2004, page 26 of 89
The command transmission always starts with the MSB. Each command starts with a start bit and ends
with a 7-bit CRC command protection field followed by an end bit. The length of each command frame is
fixed to 48 bits (2.4
μ
s at 20 MHz):
0
start bit
Note: 1. (Cyclic Redundancy Check)
1
host
1
end bit
bit5...bit0
command
bit31...bit0
argument
bit6...bit0
CRC
*
1
The start bit is always
‘
0
’
in command frames (sent from host to MultiMediaCard). The host bit is always
‘
1
’
for commands. The command field contains the binary coded command number. The argument
depends on the command (refer to Table
“
Basic Commands (class 0) and Table
“
Block-Oriented Read
Commands (class 2)
”
). The CRC field is defined in Chapter
“
Cyclic Redundancy Check (CRC)
”
.
相關(guān)PDF資料
PDF描述
HB28J256RM3 MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte
HB28L064RM3 MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte
HB28K032MM3 MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte
HB28K032RM3 MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte
HB28L064MM3 MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte
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