MC2GH256NMCA-2SA00 SAMSUNG [Samsung semiconductor], MC2GH256NMCA-2SA00 Datasheet - Page 80

• Manufacturer Part Number: MC2GH256NMCA-2SA00
• Description: SAMSUNG MultiMediaCard
• Manufacturer: SAMSUNG [Samsung semiconductor]

a.
The register usage in SPI mode is summarized in Table 7-2. Most of them are inaccessible.
Pin #
7.3 Card Registers in SPI Mode
Revision 0.3
S: power supply; I: input; O: output; PP: push-pull; OD: open-drain; NC: Not connected (or logical high)
10
12
13
11
1
2
3
4
5
6
7
8
9
Name
DAT3
DAT0
DAT1
DAT2
DAT4
DAT5
DAT6
DAT7
CMD
V
V
CLK
V
SS1
SS2
DD
I/O/PP
I/O/PP/OD
S
S
I
S
I/O/PP
I/O/PP
I/O/PP
I/O/PP
I/O/PP
I/O/PP
I/O/PP
MultiMediaCard Mode
Type
a
Power
supply
Data
Command/Response
Supply voltage ground
Supply voltage
Clock
Supply voltage ground
Data
Data
Data
Data
Data
Data
Data
SPI bus (CLK, DataIn, DataOut)
Table 7-1 : SPI Interface Pin Configuration
Figure 7-1 : MultiMediaCard Bus System
Description
80
Card
Not used
Not used
Not used
Not used
Not used
Not used
SPI
SPI bus
master
Name
SCLK
VSS2
VDD
VSS
DO
CS
DI
O/PP
Type
I/PP
S
S
S
I
I
CS
SPI Mode
Chip Select (neg true)
Data In
Supply voltage ground
Supply voltage
Clock
Supply voltage ground
Data Out
MultiMediaCard
Description
Sep.22.2005
TM