Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet
Product codes
AT91SAM9N12-EK
SAM9N12/CN11-EK User Guide
4-13
11186A–ATARM–29-Nov-12
4.3.13
1-Wire EEPROM
The SAM9N12/CN11 Evaluation Kit uses 1-Wire device as “soft label” to store the information such as
chip type, manufacture’s name, production date, etc.
chip type, manufacture’s name, production date, etc.
Figure 4-16. 1-Wire
4.3.14
ETH on EBI
The SAM9N12/CN11 Evaluation Kit uses EBI-based 8-bit EMAC controller KSZ8851 to implement a
10/100 Ethernet access. The board integrates an RJ45 connector with embedded transformer, and two
status LEDs.
10/100 Ethernet access. The board integrates an RJ45 connector with embedded transformer, and two
status LEDs.
For more information about the Ethernet controller device, refer to the Micrel KSZ8851 manufacturer's
datasheet.
datasheet.
Figure 4-17. Ethernet
MN 11
D S2431P+
D S2431P+
IO
2
GN
D
1
N C1
3
N C2
4
N C3
5
N C4
6
VD D IOP0
R 65
0R
PA4
R 64
1.5K
NOR _NRST
NR ST
P1LED0
R19 6
1K
1K
NR D
C 133
1 00n F
1 00n F
PD2 1
P1L ED0
+ 3V3
GN D_ETH
+
C1 41
10 uF
10 uF
C13 4
10u F
10u F
R18 9
0R
0R
R19 0
0R
0R
PD2 0
C1 30
10 0nF
10 0nF
P1L ED1
P1LED1
A1V8
C13 5
10u F
10u F
R1 88
4. 7K
4. 7K
R 182
4 7K
4 7K
ETH_ D0
G ND_ ET H
GND_ ETH
GND_ ETH
L23
220 ohm a t 100 MHz
1
2
A3V3
+1 V8
R18 1
47K
47K
ETH_ D1
L22
220 ohm at 100 MHz
1
2
ETH_ D3
ETH_ D2
+3V3
R1 84
470 R
C12 7
100 nF
100 nF
C 128
1 00n F
1 00n F
C1 29
10 0nF
10 0nF
R1 86
470 R
ETH_ D7
ETH_ D6
ETH_ D5
ETH_ D4
C 131
1 00n F
1 00n F
Y3
25M Hz
1
2
3
4
R18 5
3 .01 K 1%
GND_ ETH
G ND_ ET H
+ 1V8
M N20
SN 74LVC 1G07
SN 74LVC 1G07
N.C .
1
A
2
GND
3
Y
4
VCC
5
ETH_ D11
ETH_ D10
ETH_ D9
ETH_ D8
ETH_ D15
ETH_ D14
ETH_ D13
ETH_ D12
C1 26
10 uF
10 uF
C13 2
4.7 uF
4.7 uF
R 177
4 9.9 R 1 %
R 176
49 .9R 1%
+1V8
C13 6
100 nF
100 nF
GND_ ETH
+1V8
R17 8
4 9.9 R 1 %
R17 9
49. 9R 1%
C1 37
10 0nF
10 0nF
GND _ETH
1
2
3
6
4
5
7
8
7 5
7 5
75
75
1nF
TD+
TD-
CT
NC
RD-
CT
TX +
TX -
RX +
RX -
RD+
J16
J00 -00 61
1
2
7
8
3
6
5
4
13
14
9
10
11
12
+1 V8
R183
DNP
DNP
G ND_ ET H
R1 97
4 .7K
+1V8
ET H_D [0. .15 ]
R 187
22R
+3 V3
A1
A1V8
C13 8
100 nF
100 nF
MN19
KSZ8 851-1 6MLL
SD0
48
SD1
47
SD2
45
SD3
44
SD4
43
SD5
42
SD6
41
SD7
40
SD8
39
SD9
36
SD1 0
35
SD1 1
34
SD1 2
33
SD1 3
32
SD1 4
31
SD1 5
30
TXP1
19
TXM1
20
RXP1
16
RXM1
17
ISET
22
R ST N
23
P1 LED0
2
P1 LED1
1
C MD
11
EED_ IO
9
EESK
10
X1
24
X2
25
I NTR N
4
R DN
5
C SN
12
W RN
6
EEC S
15
DG
N
D
26
AG
N
D
13
AG
N
D
18
VD
D
_
C
O
1
.8
8
VD
D
_
D
1
.
8
29
VD
D
_
IO
27
VD
D
_
A
1
.
8
14
VD
D
_
IO
38
VD
D
_
I
O
46
21
VD
D
_
A
3
.
3
DG
ND
28
DG
ND
37
PME
3
DG
ND
7
R1 80
DN P
DN P
+1 V8
A3V3
PD1 9
C13 9
22p F
22p F
C14 0
22p F
NW RE