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D
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Document Number:
Rev
Sheet
Date:
of
5/18/2009
2
2
B
Drawing Title:
Page Title:
Size
B
Ethernet, USB, Power
EK-LM3S9B92 Evaluation Board
0001
C25
0.1uF
C32
0.01uF
C26
0.01uF
C31
0.1uF
R13
49.9
R16
49.9
3.3V
6
5
8
4
2
3
1
7
1CT:1
TX+
TX-
RX+
RX-
1CT:1
Y+
Y-
G+
G-
3
8
7
4
5
6
11
12
2
1
GL
GR
9
10
NC
GND
ETHERNET 10/100
J6
PulseJack_RJ45_SMT
R10
10K
R11
330
R12
330
R14
49.9
R17
49.9
ETH_RXIP
ETH_RXIN
ETH_TXOP
ETH_TXON
ETH_MDIO
ETH_LED0
ETH_LED1
3.3V
R21
10K
5V
VIN
4
VOUT
5
SHDN
3
GND
2
NR
1
U2
PQ1LA333MSPQ
R20
330
PWR
D1
GREEN_LED
R18
330
USR
D2
GREEN_LED
3.3V
R15
10K
1
4
2
3
USR PB
SW2
OC
3
VIN
5
EN
4
GND
2
VOUT
1
U3
TPS2051B
R22
10K
3.3V
R19
10K
VOUT
USBPWR
USBFLT
C38
4.7uF
USR_PBn
USR_LED
SHDNn
VBUS
5V
C27
10pF
C28
10pF
C29
10pF
C30
10pF
USBDP
USBDM
VBUS
USBID
FB2
120ohm @ 100 MHz
FB3
120ohm @ 100 MHz
C36
0.1uF
C35
0.1uF
C33
4.7uF
C34
4.7uF
C37
4.7uF
2
1
3
5
4
6
SW3
Switch DPDT
VUSB
VBUS
D-
D+
ID
G
1
2
3
4
5
J5
USB Micro AB
G1
G2
5VR
100 Mil Mask
FID3
40 Mil Pad
100 Mil Mask
FID1
40 Mil Pad
100 Mil Mask
FID2
40 Mil Pad
Fiducials
R25
10
R26
10
CVDD
VIN
1
PG
4
GND
2
VOUT
6
EN
3
ADJ
5
U4
FAN2558ADJ
R29
100K
R28
113K
R27
10K
Note:
U4, R27, R28, and R29
required only for
LM3S9B92 rev B1.
See errata.
Schematic page 2
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