
Note: 5V_USB is not used on
this board and may show as an
open net in a DRC Check.
USB INTERFACE
I2C Monitor or External Input
I2C Pullup
Resistors already
pulled to the USB
3.3V, On-Board
resistors are
backup
DIGITAL AND I2C CONTROL
Place Q8 on the TOP side
of the board underneath
the socket as close to the
DUT as possible.
Place Q9 on the BOTTOM side
of the board underneath the
socket as close to the DUT as
possible.
Place U<x> away from
the DUT near U<x>.
I2C Device Address = 1001100
0x98 with Write Bit
0x99 with Read Bit
TEMP SENSOR
Resistors allow the I2C
to GPIO device to be
disconnected from the
ONET1131EC signals
Note: Place Loop
Filter Caps as
close to the
device pins as
possible.
ANALOG CONTROL
TX_DIS
I2C_TX_DIS
USB_I2C_SCK
USB_I2C_SDA
EXT_I2C_RESET
EXT_I2C_INT
I2C_GPIO_SDA
SDA
SCK
I2C_GPIO_SCL
USB_I2C_INT
USB_I2C_RESET
EXT_I2C_SDA
EXT_I2C_SCK
I2C_RESET
I2C_INT
I2C_
ADD
R
TX_FL
T_L
TX_FLT_G
TX_FL
T_D
I2C_RX_DIS
I2C_TX_FLT
RX_DIS
TMP_SCK
TMP_SDA
TMP_DX1
TMP_DX2
RX_
LOS_L
RX_LOS_G
RX_
LOS_D
TMP_DX3
TMP_DX4
RX_LOS
LOL_
L
LOL_G
LOL_
D
LOL
I2C_RX_LOS
I2C_LOL
TX_FLT
I2C_
VCC
_PU
AMP
RX_LF
TX_LF
COMP
MONP
MONB
MONP_R
MONB_R
3P3V_USB
3P3V_USB
5V_USB
3P3V_USB
3P3V_USB
2P5V_SOURCE
2P5V_SOURCE
2P5V_SOURCE
2P5V_VDD
2P5V_SOURCE
3P3V_USB
2P5V_SOURCE
3P3V_USB
JMP18
2 Pin Header
1
2
R32
DNI - 0
R41
0
U2
TCA6408A_RGT
/INT
11
VCCI
15
/RESET
1
VCCP
14
GND
6
ADDR
16
SCL
12
SDA
13
P00
2
P01
3
P02
4
P03
5
P04
7
P05
8
P06
9
P07
10
GND_PP
17
JMP13
1
2
R24
DNI_10K
D2
DNI - RED
2
1
R14
0
Q3
MMSTA55
3
2
1
JMP9
Header 4x2
1
3
5
7
2
4
6
8
R40
DNI - 0
C39
1uF
R13 DNI - 0
C44
2200pF
C40
0.1uF
R21
DNI_4.99K
Q2
MMSTA55
3
2
1
JMP20
DNI - Header 2x2
1
3
2
4
R15
10K
U1L
ONET1131Ex
MONB
2
MONP
8
COMP
23
R33
0
R26
0
Q5
FDV301N
G
S
D
R51
4.99K
R37
0
R22
DNI_10K
R9
250
D3
RED
2
1
R39
0
R27
0
R31
0
R18
10K
R30
0
U1I
ONET1131Ex
RX_LOS
24
LOL/NC
1
RX_DIS
26
TX_DIS
32
TX_FLT
31
R16
DNI - 10K
R23
DNI_10K
J1A
ME
C
1-120-02-F
-D
-A
C
onne
ctor
1
1
3
3
5
5
7
7
9
9
11
11
13
13
17
17
19
19
21
21
23
23
25
25
27
27
29
29
31
31
33
33
35
35
37
37
39
39
C41
0.1uF
C43
0.1uF
R28
4.99K
Q4
FDV301N
G
S
D
Q6
DNI - FDV301N
G
S
D
C42
0.1uF
R35
0
R36
0
JMP19
Header 2x2
1
3
2
4
C38
10uF
R11 250
R10
DNI - 250
JMP17
1
2
C47
0.01uF
R42
0
U1J
ONET1131Ex
RX_LF/NC
25
TX_LF/NC
9
AMP
16
R17
DNI - 10K
C45
DNI - 2200pF
R52
750
D1
RED
2
1
JMP16
1
2
R25
0
U1H
ONET1131Ex
SCK
18
SDA
17
R34
0
R38
0
R12
0
R20
DNI_10K
R29
0
U3
TMP422
DX1
1
DX2
2
DX3
3
DX4
4
GND
5
SDA
6
SCL
7
VCC
8
R19
10K
JMP8
1
2
3
JMP7
2 Pin Header
1
2
J1B
ME
C
1-120-02-F
-D
-A
C
onne
ctor
2
2
4
4
6
6
8
8
10
10
12
12
14
14
18
18
20
20
22
22
24
24
26
26
28
28
30
30
32
32
34
34
36
36
38
38
40
40
Copyright © 2016, Texas Instruments Incorporated
www.ti.com
Schematics and Bill of Materials
17
SLLU256 – October 2016
Submit Documentation Feedback
Copyright © 2016, Texas Instruments Incorporated
ONET1131EC Evaluation Module
Figure 16. Schematic (3 of 3)