EVB-L
AN9252-3P
ORT EtherCAT
®
ESC PHY Connection
Mode User’s Guide
DS500024
03A-page 3
0
2015 Microchip T
echnolo
gy Inc.
FIGURE B-3:
LAN9252
Note:
OSCVSS need to connect to Chip gnd.
Power Supply Filtering
Low
E
S
R
(*short 1&2)
REG_EN
RBIAS
V
D
D
12T
X
1
V
D
D
12T
X
2
VDD12TX2
VDD12TX1
OSCO
OSCI
3V3
VD
D
3
3
T
XR
X1
VD
D
3
3
T
XR
X2
VDDCR
VDD33TXRX1
VDD33TXRX2
3V3
3V3
3V3
3V3
3V3
VDDCR
3V3
3V3
FXSDA/FXLOSA
IRQ
ATEST/FXLOSEN
RXPA
RXNA
TXNA
TXPA
TXNB
TXPB
RXNB
RXPB
FXSDB/FXLOSB
GPIO0
GPIO1
GPIO2
I2C2_SCL
I2C2_SDA
RST#
OSCI_Combined
C1
5
0.
1uF
C1
5
0.
1uF
C26
18pF
C26
18pF
J14
HEADER 3X2
J14
HEADER 3X2
2
4
6
1
3
5
C1
2
1.
0uF
DNP
C1
2
1.
0uF
DNP
FB3
2A/0.05DCR
FB3
2A/0.05DCR
C25
0.
1uF
C25
0.
1uF
C1
3
0.
1uF
C1
3
0.
1uF
C1
0
0.
1uF
C1
0
0.
1uF
C2
1
0.
1uF
C2
1
0.
1uF
C1
8
0.
1uF
C1
8
0.
1uF
C23
1.0uF
DNP
C23
1.0uF
DNP
C1
1
0.
1uF
C1
1
0.
1uF
C27
18pF
C27
18pF
FB4
2A/0.05DCR
BLM18EG221SN1D
FB4
2A/0.05DCR
BLM18EG221SN1D
POWER
INT PORT0
INT PORT1
OSC
I2C
OTHER
SIGNALS
GPIO
(Only for
Lan9252)
U4A
LAN9252
POWER
INT PORT0
INT PORT1
OSC
I2C
OTHER
SIGNALS
GPIO
(Only for
Lan9252)
U4A
LAN9252
FXSDENA/FXSDA/FXLOSA
9
FXSDENB/FXSDB/FXLOSB
10
VD
D
3
3
T
XR
X1
51
TXNA
52
TXPA
53
RXNA
54
RXPA
55
V
D
D
12T
X
1
56
RBIAS
57
V
D
D
33B
IA
S
58
V
D
D
12T
X
2
59
RXPB
60
RXNB
61
TXPB
62
TXNB
63
VD
D
3
3
T
XR
X2
64
OSCI
1
OSCO
2
OSCVDD12
3
OSCVSS
4
REG_EN
7
ATEST/FXLOSEN
8
RST#
11
IRQ
44
TESTMODE
41
I2CSCL/EESCL/TCK
43
I2CSDA/EESDA/TMS
42
LINKACTLED0/TDO/LEDPOL0/CHIP_MODE0
48
LINKACTLED1/TDI/LEDPOL1/CHIP_MODE1
46
RUNLED/LEDPOL2/E2PSIZE
45
V
DD3
3
5
V
DDIO
1
14
V
DDIO
2
20
V
DDIO
3
32
V
DDIO
4
37
V
DDIO
5
47
V
DDCR1
6
V
DDCR2
24
V
DDCR3
38
GN
D
65
C2
2
0.
1uF
C2
2
0.
1uF
C9
1.
0uF
DNP
C9
1.
0uF
DNP
R167
100K
DNP
R167
100K
DNP
C1
4
0.
1uF
C1
4
0.
1uF
C24
0.1uF
C24
0.1uF
R166
100K
DNP
R166
100K
DNP
C1
6
0.
1uF
C1
6
0.
1uF
C2
0
470pF
C2
0
470pF
OSCILLATOR
Y4
25MHz
DNP
OSCILLATOR
Y4
25MHz
DNP
OE
1
VCC
4
GND
2
OUT
3
FB2
2A/0.05DCR
FB2
2A/0.05DCR
R10
12.1K
1%
R10
12.1K
1%
C85
0.1uF
DNP
C85
0.1uF
DNP
Y1
25.000MHz
25ppm
Y1
25.000MHz
25ppm
1
2
C7
1.0uF
DNP
C7
1.0uF
DNP
FB5
2A/0.05DCR
FB5
2A/0.05DCR
C1
7
0.
1uF
C1
7
0.
1uF
C1
9
1uF
C1
9
1uF
C8
0.1uF
C8
0.1uF