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SMS01GAF 데이터시트(PDF) 14 Page - Numonyx B.V

부품명 SMS01GAF
상세설명  64 MByte, 128 MByte, 256 MByte 512 MByte and 1 GByte, 3.3V Supply Secure Digital??Card
PDF  61 Pages
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제조업체  NUMONYX [Numonyx B.V]
홈페이지  http://www.numonyx.com
Logo NUMONYX - Numonyx B.V

SMS01GAF 데이터시트(HTML) 14 Page - Numonyx B.V

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Secure digital memory card interface
SMSxxxAF, SMSxxxFF, SMSxxxBF
14/61
Figure 3.
MicroSD pin assignment
Table 9.
MicroSD Contact Pad Assignment
Pin
SD Mode
SPI Mode
Name
Type(1)
1.
S: power supply; I: input; O: output using push-pull drivers; PP: I/O using push-pull drivers.
Description
Name
Type
Description
1
DAT2
I/O/PP
Data Line [Bit 2]
RSV
Reserved
2
CD/DA
T3(2)
2.
The extended DAT lines (DAT1-DAT3) are input on power up. They start to operate as DAT lines after
SET_BUS_WIDTH command. The Host shall keep its own DAT1-DAT3 lines in input mode, as well, while
they are not used. It is defined so, in order to keep compatibility to MultiMediaCards.
I/O/PP
(3)
3.
After power up this line is input with 50KOhm pull-up (can be used for card detection or SPI mode
selection). The pull-up should be disconnected by the user, during regular data transfer, with
SET_CLR_CARD_DETECT (ACMD42) command.
Card Detect / Data Line
[Bit 3]
CS
I
Chip Select (neg true)
3
CMD
PP
Command/Response
DI
I
Data In
4
VDD
S
Supply voltage
VDD
S
Supply voltage
5
CLK
I
Clock
SCLK
I
Clock
6
VSS
S
Supply voltage ground
VSS
S
Supply voltage ground
7
DAT0
I/O/PP
Data Line [Bit 0]
DO
O/PP
Data Out
8
DAT1
RSV
Reserved
Ai11728



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