Atmel Evaluation Kit AT91SAM9X25-EK AT91SAM9X25-EK Data Sheet
Product codes
AT91SAM9X25-EK
Evaluation Kit Hardware
Evaluation Kit (EK) User Guide
4-19
11115A–ATARM–27-Jul-11
Figure 4-14. CM Board Schematics – 4 of 5
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
E0
_
R
X1
E0
_
R
X0
E0
_
T
X1
E0
_
T
X0
E0
_
T
XEN
E0
_
R
XD
V
E0
_
M
D
C
E0
_
M
D
IO
E0
_
IN
T
R
E0
_
R
XER
E0
_
T
XC
K
ET
H
E
R
N
ET
Install as need to
alter PHYaddress,
must override internal
pullup on SAM9x5
PB4
PB1
0
PB9
PB7
PB1
PB0
PB2
PB6
PB5
PB8
PB3
AVD
D
T
GN
D
_
E
T
H
GN
D
_
E
T
H
AVD
D
T
GN
D
_
E
T
H
GN
D
_
E
T
H
VD
D
A
N
A
VD
D
A
N
A
VD
D
A
N
A
VD
D
A
N
A
VD
D
A
N
A
VD
D
A
N
A
NRS
T
{1
,5
}
ET
H
0
_
R
X+
{5
}
ET
H
0
_
R
X-
{5
}
ET
H
0
_
T
X+
{5
}
ET
H
0
_
T
X-
{5
}
LE
D
0
{5
}
LE
D
1
{5
}
LE
D
2
{5
}
P
B
[0
..
18]
{3
,5
}
Ti
tl
e
:
S
iz
e
:
D
oc
um
ent
N
um
ber
:
R
e
v
:
Da
te
:
S
h
e
e
t:
o
f
Dr
a
w
B
y
:
E
T
HE
RNE
T
A
MB
C
-S
A
M9
X
5
A3
45
T
h
ur
s
d
ay
,
N
ov
em
ber
0
4,
2010
Z
h
u
X
ueliang
Ti
tl
e
:
S
iz
e
:
D
oc
um
ent
N
um
ber
:
R
e
v
:
Da
te
:
S
h
e
e
t:
o
f
Dr
a
w
B
y
:
E
T
HE
RNE
T
A
MB
C
-S
A
M9
X
5
A3
45
T
h
ur
s
d
ay
,
N
ov
em
ber
0
4,
2010
Z
h
u
X
ueliang
Ti
tl
e
:
S
iz
e
:
D
oc
um
ent
N
um
ber
:
R
e
v
:
Da
te
:
S
h
e
e
t:
o
f
Dr
a
w
B
y
:
E
T
HE
RNE
T
A
MB
C
-S
A
M9
X
5
A3
45
T
h
ur
s
d
ay
,
N
ov
em
ber
0
4,
2010
Z
h
u
X
ueliang
R8
3
49.
9
R
1
%
R8
3
49.
9
R
1
%
R8
6
1
.5
K
R8
6
1
.5
K
RR9
10K
X
4
RR9
10K
X
4
1
2
3
4
5
6
7
8
6
7
8
R7
0
10K
R7
0
10K
C7
8
100nF
C7
8
100nF
TP
2
7
SM
D
TP
2
7
SM
D
RR1
4
C
RR1
4
C
3
6
R9
9
0
R
R9
9
0
R
R8
4
49.
9
R
1
%
R8
4
49.
9
R
1
%
R91
DN
P
R91
DN
P
C
7
7
1
00nF
C
7
7
1
00nF
RR8
10K
X
4
RR8
10K
X
4
1
2
3
4
5
6
7
8
6
7
8
R7
4
2
2
R
R7
4
2
2
R
R7
1
49.
9
R
1
%
R7
1
49.
9
R
1
%
R9
6
0
R
R9
6
0
R
RR1
5
A
RR1
5
A
1
8
RR7
10K
X
4
RR7
10K
X
4
1
2
3
4
5
6
7
8
6
7
8
R9
7
6.
8K
R9
7
6.
8K
RR1
4
B
RR1
4
B
2
7
R93
10
K
R93
10
K
C
8
0
100nF
C
8
0
100nF
TP
2
8
SM
D
TP
2
8
SM
D
+
C7
5
10uF
+
C7
5
10uF
C
7
9
100nF
C
7
9
100nF
+
C8
2
10uF
+
C8
2
10uF
RR1
5
C
RR1
5
C
3
6
+
C7
6
10uF
+
C7
6
10uF
RR1
3
B
RR1
3
B
2
7
R7
2
49.
9
R
1
%
R7
2
49.
9
R
1
%
VDD
VSS
O
UT
OE
Y3
50M
H
z
VDD
VSS
O
UT
OE
Y3
50M
H
z
4
1
3
2
C
7
2
1
00nF
C
7
2
1
00nF
R92
4.7K
R92
4.7K
B1
BL
M
2
1
B
D
2
2
2
T
N
1
B1
BL
M
2
1
B
D
2
2
2
T
N
1
R9
8
10K
R9
8
10K
C
7
3
1
00nF
C
7
3
1
00nF
RR1
4
D
RR1
4
D
4
5
R7
3
2
2
R
R7
3
2
2
R
RR1
4
A
RR1
4
A
1
8
RR1
3
C
RR1
3
C
3
6
MN
1
0
DM
9
1
6
1
A
E
P
MN
1
0
DM
9
1
6
1
A
E
P
T
X
_ER/T
X
D4
16
COL/RMI
I
36
MDC
24
RX
-
4
RX
+
3
TX
-
8
TX
+
7
XT
1
43
REF_CLK/X
T
2
42
RX
_CLK/10BT
SER
34
RX
_DV
/T
EST
MODE
37
RX
_ER/RX
D4/RPT
R
38
TX
_
E
N
21
BGRES
48
AVD
D
R
1
AVD
D
R
2
DV
DD
41
DGND
44
DGND
15
AG
N
D
5
AG
N
D
6
LED2/OP2
13
LED1/OP1
12
LED0/OP0
11
TX
D
3
17
TX
D
2
18
TX
D
0
20
TX
D
1
19
T
X
_CLK/I
SOLA
T
E
22
RX
D0/PHYA
D0
29
RX
D1/PHYA
D1
28
RX
D2/PHYA
D2
27
RX
D3/PHYA
D3
26
CRS/PHYA
D
4
35
MDI
O
25
MDI
N
T
R
32
PWRDWN
10
DGND
33
RESET
40
AVD
D
T
9
DI
SMDI
X
39
DV
DD
30
DV
DD
23
AG
N
D
46
BGRESG
47
CA
BLEST
S
/LI
N
KST
S
14
N.C
45
LEDMODE
31
R1
0
0
0R
R1
0
0
0R
C
8
1
100nF
C
8
1
100nF
R95
DNP
R95
DNP
R94
10K
R94
10K
RR1
3
D
RR1
3
D
4
5
C
7
4
1
00nF
C
7
4
1
00nF
C7
1
100nF
C7
1
100nF
RR1
5
B
RR1
5
B
2
7