6-20
SAMA5D3x-EK User Guide
11180A–ATARM–30-Jan-13
Figure 6-20. Analog Reference
6.2.17
Expansion Ports
Three 40-pin headers (J1, J2, J3) are provided on the board to allow for the PIO connection of various
expansion cards that could be developed by the users or other sources. Due to multiplexing, different
signals can be provided on each pin.
Figure 6-21. I/O Expansion
Two connectors (J21, J22) are provided on board to interface the optional LCD and touch screen DM
board.
VDDANA
5V
ADVREF
3V
ANALOG Reference 3V
JP14
JP14
1
2
3
C112
100n
C112
100n
D6
LM4040BIM3-3.0+T
D6
LM4040BIM3-3.0+T
R143
1.5k
R143
1.5k
C113
2.2u
C113
2.2u
PA19
PA10
PA28
PA4
PA11
PA20
PA5
PA12
PA27
PA13
PA21
PA14
PA26
PA15
PA22
PA25
PA24
PA23
PA0
PA1
PA2
PA16
PA3
PA31
PA17
PA30
PA6
PA8
PA18
PA29
PA7
PA9
5V
VDDIOP0
VDDIOP0
VDDIOP0
JP1
JP1
1
2
3
J1
MD2X20-H
J1
MD2X20-H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
PC19
PC10
PC28
PC4
PC11
PC20
PC5
PC12
PC27
PC13
PC21
PC14
PC26
PC15
PC22
PC25
PC24
PC23
PC0
PC1
PC2
PC16
PC3
PC31
PC17
PC30
PC6
PC8
PC18
PC29
PC7
PC9
5V
VDDIOP0
VDDIOP0
J2
MD2X20-H
J2
MD2X20-H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
JP2
JP2
1
2
3
PB25
PD14
PB19
PB26
PB20
PB27
PD13
PB28
PB29
PD12
PB30
PD11
PD10
PB10
PB12
PB14
PB31
PB15
PD31
PE23
PD19
PB21
PB23
PE24
PD15
PB22
PB24
PE25
PE31
PE26
PE29
PE30
5V
VDDIOP1
VDDIOM
VDDIOM
JP3
JP3
1
2
3
J3
MD2X20-H
J3
MD2X20-H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
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