UM1460
Schematics
DocID022136 Rev 5
49/67
Fi
gu
re
2
1
.
Eth
e
rne
t
1
1
2
2
3
3
4
4
D
D
C
C
B
B
A
A
STMicroelectronics
Title:
Number:
Rev:
Sheet
of
C.3(PCB.SCH)
Date:
7/20/2016
M
B786
5
2
0
STM32
20-21-45-46
G-EVAL
Ethernet
M
II
_TXD0
M
II
_TX_EN
M
II
_TX_CLK
M
II
_RXD0
M
II
_RX_ER
M
II
_RX_DV/RMII
_CRSDV
M
II
_RX_CLK
/RMII
_REF_CLK
M
II
_COL
M
II
_CRS
M
II
_MDC
M
II
_MDIO
X1
25MHz
(with
socket)
C14
22pF
C15
22pF
1
2
3
JP5
MCO
EN
1
GND
2
OUT
3
VCC
4
U3
SM7745HEV-50.0M
(do
not
fit)
+3V3
R26
10K
RESET#
R24
0
JP8
R40
2K2
+3V3
+3V3
R25
4.87K
R30
2
K
2
+3V3
R33
2
K
2
C21
0.1uF
C17
0.1uF
C19
0.1uF
C13
10uF
R42
2K2
M
II
_TXD1
M
II
_TXD2
M
II
_TXD3
M
II
_RXD1
M
II
_RXD2
M
II
_RXD3
TX_CLK
1
TX_EN
2
TXD_0
3
TXD_1
4
TXD_2
5
TXD_3/SNI_MODE
6
P
WR_DOWN/INT
7
NC
8
NC
9
NC
10
NC
11
NC
12
RD-
13
RD+
14
AGND
15
TD-
16
TD+
17
PF
B
IN
1
18
AGND
19
NC
20
NC
21
AVDD33
22
P
F
BOUT
23
RBIA
S
24
25MHz_OUT
25
L
ED_ACT/COL/AN_EN
26
L
ED_SPEED/AN1
27
L
ED_LI
N
K
/AN0
28
RESET_N
29
MDIO
30
MDC
31
IOVDD33
32
X2
33
X1
34
IOGND
35
DGND
36
PF
B
IN
2
37
RX_CLK
38
RX_DV/MII
_MODE
39
CRS/CRS_DV/LED_CFG
40
RX_ER/MDIX_EN
41
C
O
L
/PHYAD0
42
RXD_0/PHYAD1
43
RXD_1/PHYAD2
44
RXD_2/PHYAD3
45
RXD_3/PHYAD4
46
IOGND
47
IOVDD33
48
U5
D
P
83848CVV
+3V3
C16
0.1uF
C27
0.1uF
C20
0.1uF
+3V3
R43
1.5K
1
2
3
JP6
TP1
25MHz
TD+
1
TCT
4
TD-
2
RD+
3
RCT
5
RD-
6
NC
7
CHS
GND
8
L
ED(green)_A
9
L
ED(green)_K
10
L
ED(Yellow)_A
12
L
ED(Yellow)_K
11
Shield
13
Shield
14
CN7
J0011D21B
R22
240
R1
240
+3V3
C7
0.1uF
C6
0.1uF
+3V3
MII
_IN
T
R41
0
R44
0
Second
source:
SI-
60116-F
RS5
51
RS3
51
RS6
51
+3V3
Unused
in
RMII
m
ode
RS1
2K2
RS4
51
RS2
51
PI
1
0
PC
1
PC
2
PC
3
PA
1
PA
2
PH
2
PH
3
PA
7
PC
4
PC
5
P
G11
PH
6
PH
7
P
G13
P
G14
P
B14
PB
8
PA
8
SB1
R208
51
R212
150
STM324xG-EVAL
STM322xG-EVAL
SB1
R212
Close
Open
Not
fitted
150ohm
Board
configuration
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