HB288064MM1 Datasheet, PDF (63/79 Pages) Hitachi Semiconductor – MultiMediaCard 64 MByte

• Card Response to Host Command
HB288064MM1
CS L L L L L
******************
Datain H H H H H H
*********
Dataout H H H H H 1 or 2 bytes response
HHHH
N_RC
HHHH
6 Bytes command
*************
• Data Read
L L HHH
H HH HXX X
HH HH H Z Z
CS
Datain
HL L L
N_CS
XH H HH
Read command
******************
HHHHH
**********
Dataout Z Z H H H H * * * * * * *
N_CR
N_AC
H H H H Card response H H H H
L L L LHHH
N_EC
HH HX X X
Data block H H Z Z
• Reading The CSD Register
CS H L L L
******************
L L L H H HH
N_CS
N_EC
Datain X H H H H read command H H H H H
*******
H HH X X XX
N_CR
N_CR
Dataout Z Z H H H H * * * * * * * H H H H _{card response} H H H H data block H H H H Z Z Z
• Data Write
CS _{H L L}
******************
L L L L ******* L H H
Datain
N_CS
N_WR
X H H H Write command H H H H * * * * H H H H Data block
HH
*******
HXX
Dataout
Z Z H H H *******
N_CR
HHH
Card
response
HHHHHHHH
Data
resp
Busy ^* Busy H Z
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