Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet
Product codes
AT91SAM9N12-EK
4-26
SAM9N12/CN11-EK User Guide
11186A–ATARM–29-Nov-12
Table 4-11. USB Type A Port J2 Signal Descriptions
4.4.6
SD Card MCI
Figure 4-33. SD/MMC Socket J8
Table 4-12. SD Socket J8 Signal Descriptions
Pin
Mnemonic
Description
1
Vbus
5V power
2
DM
Data minus
3
DP
Data plus
4
GND
Common ground
5, 6
Shield
Mechanical pins
Pin
Function
PIO
1
MCI_DA3
PA20
2
MCI_CMD
PA16
3
GND
4
VDDIOP0
5
MCI_CLK
PA17
6
GND
7
MCI_DA0
PA15
8
MCI_DA1
PA18
9
MCI_DA2
PA19
10
MCI_CD
PA7
11
WP
12
GND
13
GND