參數(shù)資料
型號: MC2GH512NMCA-2SA00
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: SAMSUNG MultiMediaCard
中文描述: 三星多媒體
文件頁數(shù): 80/102頁
文件大?。?/td> 1384K
代理商: MC2GH512NMCA-2SA00
MultiMediaCard
TM
80
Sep.22.2005
Revision 0.3
Figure 7-1 : MultiMediaCard Bus System
7.3 Card Registers in SPI Mode
The register usage in SPI mode is summarized in Table 7-2. Most of them are inaccessible.
Pin #
MultiMediaCard Mode
SPI Mode
Name
Type
a
a.
S: power supply; I: input; O: output; PP: push-pull; OD: open-drain; NC: Not connected (or logical high)
Description
Name
Type
Description
1
DAT3
I/O/PP
Data
CS
I
Chip Select (neg true)
2
CMD
I/O/PP/OD
Command/Response
DI
I/PP
Data In
3
V
SS1
S
Supply voltage ground
VSS
S
Supply voltage ground
4
V
DD
S
Supply voltage
VDD
S
Supply voltage
5
CLK
I
Clock
SCLK
I
Clock
6
V
SS2
S
Supply voltage ground
VSS2
S
Supply voltage ground
7
DAT0
I/O/PP
Data
DO
O/PP
Data Out
8
DAT1
I/O/PP
Data
Not used
9
DAT2
I/O/PP
Data
Not used
10
DAT4
I/O/PP
Data
Not used
11
DAT5
I/O/PP
Data
Not used
12
DAT6
I/O/PP
Data
Not used
13
DAT7
I/O/PP
Data
Not used
Table 7-1 : SPI Interface Pin Configuration
SPI bus (CLK, DataIn, DataOut
)
SPI bus
master
Power
supply
CS
SPI
Card
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