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ATSAM4C-EK [USER GUIDE]
11251A–ATARM–16-Dec-13
3.15.6 I/O Expansion Port
Figure 3-32.
Expansion Port J9 & J10
Table 3-16.
Expansion Port J9 Pinout
Function
Signal Name
Pin
Pin
Signal Name
Function
3.3V or 5V
–
1
2
–
3.3V or 5V
Ground
GND
3
4
GND
Ground
–
PB0
5
6
PB16
–
–
PB1
7
8
PB17
–
–
PB2
9
10
PB18
–
–
PB3
11
12
PB19
–
–
PB4
13
14
PB20
–
–
PB5
15
16
PB21
–
–
PB6
17
18
PB22
–
–
PB7
19
20
PB23
–
–
PB8
21
22
PB24
–
–
PB9
23
24
PB25
–
–
PB10
25
26
PB26
–
–
PB11
27
28
PB27
–
–
PB12
29
30
PB28
–
–
PB13
31
32
PB29
–
–
PB14
33
34
PB30
–
–
PB15
35
36
PB31
–
Ground
GND
37
38
GND
Ground
Power Supply
VDDMAIN
39
40
VDDMAIN
Power Supply
Table 3-17.
Expansion Port J10 Pinout
Function
Signal Name
Pin
Pin
Signal Name
Function
3.3V or 5V
–
1
2
–
3.3V or 5V
Ground
GND
3
4
GND
Ground
–
PA0
5
6
PA16
–
–
PA1
7
8
PA17
–
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