hb28b128mm2 Renesas Electronics Corporation., hb28b128mm2 Datasheet - Page 72
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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: 72 of 90
- Download datasheet (679Kb)
HB28H016/D032/B064/B128MM2
SPI Bus Timing
All timing diagrams use the following schematics and abbreviations:
H: Signal is high (logical ‘1’)
L: Signal is low (logical ‘0’)
X: Don’t care
Z: High impedance state (-> = 1)
*: Repeater
Busy: Busy Token
Command: Command token
Response: Response token
Data block: Data token
All timing values are defined in Table “Timing Values”. The host must keep the clock running for at least
N
response tokens.
Command/Response
• Host Command to Card Response - Card is ready
• Host Command to Card Response - Card is busy
Rev.5.0, Jan. 2003, page 70 of 88
Dataout
Dataout
Datain
Datain
CR
clock cycles after receiving the card response. This restriction applies to both command and data
CS
CS
H L L L
X H H H H
Z Z H H H H
H H L L L
X X H H H H
Z Z Z H H H
N
CS
N
CS
6 bytes command
H
* * * * * * *
6 bytes command
* * * * * * * * * * * * * * * * * *
* * * * * * *
H H H H H
H H H H
* * * * * * * * * * * * * * * * * *
N
H
CR
H H H H H
H
H H H
N
card response
CR
H H H H
1 or 2 bytes response
H H H H
L
busy
L L
N
* * * * * * *
EC
L
H H H
X X X
L Z Z Z
N
DS
H
L
L L
H H
H H
H H
busy
L L
N
EC
H H
L L H H H
H H
H H
H
L L
N
H H
EC
H
X X X
H Z Z
L
H H
X X
H Z
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