EVB-L
AN9500A-LC Evaluation
Bo
ard User’s Gu
ide
DS500022
41B-page
1
6
2014-
2018 Microchip T
echnolo
gy Inc.
FIGURE B-1:
EVB-LAN9500A-LC EVALUATION BOARD SCHEMATIC
1
1
2
2
3
3
4
4
5
5
6
6
D
D
C
C
B
B
A
A
Page Title:
Project Name:
EVB-LAN9500A 10/100 USB to Ethernet Dongle
EVB-LAN9500A-LC
PN:
03-10844
Description:
Date:
Size:
Sheet
of
Rev
C
2
2
1
3/29/2018
Designer:
Arnaldo Cruz
LAN9500A Evaluation Board Dongle
Designed with
Microchip Technology, Inc.
USB/Network Group - UNG
www.Microchip.com
Altium.com
TD_P
TD_N
RD_P
RD_N
EECLK/PWR_SEL
EEDI
EEDO/AUTOMDIX_EN
USBD_N
USBD_P
EEDO/AUTOMDIX_EN
TX_N
USBD_N
RX_N
EECLK/PWR_SEL
nLNKA_LED/GPIO9
VBUS_DET
nRESET
RX_P
EEDO/AUTOMDIX_EN
nSPD_LED/GPIO10
nRESET
USBD_P
EEDI
TX_P
EECS
EECS
nFDX_LED/GPIO8
VDD33A
VDDPLL
VDDUSBPLL
VDDCORE
+3.3V
VDD33A
+3.3V
+5V
+3.3V
VDDCORE
VDDPLL
+3.3V
VDD33A
VDDUSBPLL
VDDCORE
+3.3V
+3.3V
+3.3V
+3.3V
+5V
VCC_USB
GND_USB
+3.3V
+3.3V
+3.3V
GND_CHASSIS
+3.3V
+3.3V
127(
3ODFH 2KP UHVLVWRUV QHDU /$1 /$1$
3ODFH 2KP 2KP UHVLVWRU QHDU WUDQVIRUPHUV
Power Supply Filtering
uWire EEPROM
USB Connector
+3.3V Regulator
LAN9500 / LAN9500A
Ethernet
Optional Reset Monitor
FDX
LNKA
SPD
AUTO_MDIX disable optional strap.
12.4K Ohm 1%
LAN9500A *
R6
LAN9500
12.0K Ohm 1%
Device
GND Test Point
* Default Configuration
* Default Configuration
LAN9500
Device
0 Ohm
10 Ohm 1%
R4
LAN9500A *
VIN
1
GND
2
VOUT
3
MCP1825S/3.3V
VR1
VDD
3
GND
1
RST
2
MIC803/2.93V
ResetPulseWidthMin: 1120msec
DNP
U3
10M
R13
10M
R22
1M
DNP
R26
BLUE
DNP
LED2
BLUE
DNP
LED1
VBUS
1
GND
4
D-
2
D+
3
VBUS
GND
D-
D+
0
USB2.0 STD-A MALE
P1
120R
FB4
120R
FB2
120R
FB1
120R
FB3
0.1uF
C8
0.1uF
C9
0.1uF
C16
0.1uF
C17
0.1uF
C18
0.1uF
C22
0.1uF
C7
0.1uF
C13
0.1uF
C14
4700pF
C10
4700pF
C19
4700pF
C20
4700pF
C24
4700pF
C12
4700pF
C26
4700pF
C2
4700pF
C23
1500pF
C28
1500pF
C21
1500pF
C11
0.022uF
C1
1uF
C15
1uF
C27
+3.3V
0.1uF
C29
25MHz
1000pF
2KV
C3
1000pF
2KV
C4
GND_CHASSIS
GND_CHASSIS
STB
1
GND
2
OUT
3
VDD
4
25Mhz
Y1
10pF
DNP
C6
Oscillator*
Crystal
LAN9500A
* Default Configuration
DNP
LAN9500
1M Ohm 1%
DNP
R26
R14
R16
R15
R17
DNP
33R
0R
0R
DNP
DNP
0R
0R
C5
C6
DNP
DNP
10pF
10pF
DSC1001CI1-025.000
ABM8G-25.000MHZ-4Y-T3
C29
DNP
0.1uF
10pF
DNP
C5
49.9R
R1
0R
R4
0R
R7
0R
DNP
R17
0R
DNP
R14
0R
R16
10k
R25
10k
R24
10k
DNP
R18
12k
R6
12k
R8
75R
R9
75R
R10
75R
R11
75R
R12
330R
DNP
R23
330R
R30
1
2
330R
R28
33R
R15
J2_DC_P
J2_DC_M
J2_DD_M
J2_DD_P
49.9R
R2
49.9R
R3
49.9R
R5
1
2
330R
R29
4.7uF
C25
TD+
1
TD-
2
TDCT
3
TX+
16
TXCT
14
TX-
15
RX-
9
RX+
10
RXCT
11
RD-
8
RDCT
6
RD+
7
NC3
13
NC1
4
NC2
5
NC4
12
10/100/1000 XFMR
T1
EECS
30
EEDO/AUTOMDIX_EN
31
EECLK/PWR_SEL
29
TXN
2
TXP
3
RXN
5
RXP
6
VD
D33IO
51
EXRES
8
nPHY_INT
1
TXEN
43
RXER
44
RXCLK
41
RXDV
42
MDIO/GPIO1
23
MDC/GPIO2
22
CRS/GPIO3
45
COL/GPIO0
46
TXD3/GPIO7/EEP_SIZE
53
TXD2/GPIO6/PORT_SWAP
54
TXD1/GPIO5/RMT_WKP
55
TXD0/GPIO4/EEP_DISABLE
56
TXCLK
47
TEST2
13
PHY_SEL
34
VBUS_DET
20
VD
D33A
4
VDD33
A
/NC
7
nRESET
24
TCK/RXD1
38
TMS/RXD2
39
nTRST/RXD0
36
TDO/nPHY_RST
37
TDI/RXD3
40
VD
DPLL
10
VD
D33A
9
VD
D33IO
25
VDD
CORE
50
VD
D33IO
48
VD
D33IO
52
VDD
CORE
21
EEDI
32
VSS
(Epad)
57
XO
19
XI
18
VDDUS
B
PLL
17
USBRBIAS
16
VD
D33A
15
USBDP
12
USBDM
11
nSPD_LED/GPIO10
28
nLNKA_LED/GPIO9
27
nFDX_LED/GPIO8
26
NC
14
TEST3
33
VD
D33IO
35
TEST1
49
LAN9500A USB LAN Controller
U1
TP1
TP2
FID1 FID2 FID3
FID4 FID5 FID6
i Top Layer
FID1 FID2 FID3
i Bottom Layer
FID4 FID5 FID6
Fiducials
LABEL1
MH1
Mounting Holes
MH2
MH3
MH4
"GPIO2"
"FDX/GPIO8"
GA
10
SHIELD
0
YA
12
GC
9
YC
11
GREEN
YELLOW
DA_P
1
DA_M
2
DB_P
3
DC_P
4
DC_M
5
DB_M
6
DD_P
7
DD_M
8
MODULAR RJ45
J2
DI
3
DO
1
GND
2
VCC
6
CS
5
CLK
4
93AA56AT
U2
