Figure 3-11. Standard SD Socket J9 Location
The table below describes the pin assignment of SD-CARD connector J9.
Table 3-3. SD-CARD Connector Pin Assignment
Pin No
Mnemonic
PIO
Signal Description
1
DAT3
PA5
Data Line
2
CMD
PA1
Command/Response Line
3
VSS1
–
GROUND
4
VDDSDHC
–
Power Line (3.3V/1.8V)
5
CLK
PA0
Clock Line
6
VSS2
–
GROUND
7
DAT0
PA2
Data Line
8
DAT1
PA3
Data Line
9
DAT2
PA4
Data Line
10
CD
PA13
Card Detect
ATSAMA5D27-WLSOM1-EK1
Baseboard Components
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2019 Microchip Technology Inc.
User Guide
DS50002931A-page 14