Electrical installation
Page 101
8.10.5
Pin assignment SD/MMC card
Table 40:
Pin assignment: SD card
Pin No
Denomination
SD Mode
SPI Mode
1
DATA3/CS
Data Line 3 (Bit 3)
Chip Select
2
CMD/DI
Command/Response
Host to Card Commands and Data
3
Vss1
Supply Voltage Ground
Supply Voltage Ground
4
Vcc
Supply Voltage
Supply Voltage
5
CLK
Clock
Clock
6
Vss2
Supply Voltage Ground
Supply Voltage Ground
7
DAT0/DO
Data Line 0 (Bit 0)
Card to Host Data and Status
8
DAT1
Data Line 1 (Bit 1)
reserved
9
DAT2
Data Line 2 (Bit 2)
reserved
Table 41:
Pin assignment: MMC card
Pin No
Denomination
SD Mode
SPI Mode
1
RES/CS
Not connected or Always „1“
Chip Select
2
CMD/DI
Command/Response
Host to Card Commands and Data
3
Vss1
Supply Voltage Ground
Supply Voltage Ground
4
Vcc
Supply Voltage
Supply Voltage
5
CLK
Clock
Clock
6
Vss2
Supply Voltage Ground
Supply Voltage Ground
7
DAT/DO
Data 0
Card to Host Data and Status