SMS02GDFB5E NUMONYX, SMS02GDFB5E Datasheet - Page 42
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SMS02GDFB5E
Manufacturer Part Number
SMS02GDFB5E
Description
MICROSD CARD SMS 2GB FLASH MEM
Manufacturer
NUMONYX
Datasheet
1.SMS512DFA5E.pdf
(60 pages)
Specifications of SMS02GDFB5E
Memory Size
2GB
Memory Type
SD (Secure Digital)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Timings
Figure 28. STOP_TRANSMISSION during data transfer from the host
Figure 29. STOP_TRANSMISSION during CRC status transfer from card
1. The card CRC status response was interrupted by the host.
Figure 30. STOP_TRANSMISSION received after last data block with card busy programming
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CMD
CMD
DAT
DAT
CMD
DAT
S
S T CONTENT CRC E Z
D
S T CONTENT CRC E Z
D
S T CONTENT CRC E Z
L
D D D D
D D D D Z
block
Host command
Data
Host command
where the STOP_TRANSMISSION command is implemented: the end bit of the
STOP_TRANSMISSION command from the host is followed, on the data line, by one more
data bit, then an end bit and two Z-bits. The two Z-bits, which correspond to two clock
cycles, are used to switch the bus direction. The received data block is considered
incomplete and will not be programmed.
In the previous stop transmission examples, the host stopped the data transmission during
an active data transfer.
In
after all the data blocks have been sent.
In
command is received whereas in
data blocks to be programmed. In the second case, the card starts programming the blocks
upon reception of the STOP_TRANSMISSION command and activates the busy signal.
Host command
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
Figure
Figure 30
D
Z
30, the card is busy programming the last block when the STOP_TRANSMISSION
D D D D E Z
S Status E Z Z
status
CRC
and
N
(1)
Z P
Z P
CR
Figure 31
cycles
Z P
* * *
P * * * * * *
S
N
Z
P
N
P
L
CR
CR
S T
S
the STOP_TRANSMISSION command is received by the card
* * * * * *
cycles
cycles
* * * * * * * * * * * * * * * * * * * * * *
L
Card response
CONTENT
Card is programming
Figure 31
* * * * * * * * * * * * * * * * * * * * * *
Card is programming
P
P
Card is programming
CRC E
S T
S T
the card is idle but the input buffers still contain
Card response
CONTENT
CONTENT
Card response
CRC E
CRC E
L
E
E
Z
Z
Z
Z
E
S T CONTENT
Z Z Z
S T CONTENT
Z Z Z
Z
command
command
Host
Z
Host
Z Z Z
S T
Z Z Z
Z Z Z
Host command
SMSxxxDF
CONTENT
Z Z Z
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