DocID025151 Rev 2
49/70
UM1668
Schematics
69
Figure 30. Ethernet
STMicroelectronics
Title:
Number:
Rev:
Sheet
of
B.2(PCB.SCH)
Date:
7/24/2013
MB1045
7
1
6
STM324x9I-EVAL
Ethernet
M
II
_TXD0
M
II
_TX_EN
M
II
_TX_CLK
M
II
_RXD0
M
II
_RX_ER
M
II
_RX_DV
M
II
_RX_CLK
M
II
_COL
M
II
_CRS
M
II
_MDC
M
II
_MDIO
X4
25MHz
(with
socket)
C29
22pF
C30
22pF
RESET#
R64
0
+3V3
+3V3
R86
4.87K
R85
2
K
2
+3V3
R84
2
K
2
C135
100nF
C131
100nF
C136
100nF
C134
10uF
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
C27
100nF
C33
100nF
C39
100nF
R75
1
K
5
TP8
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
CN10
J0011D21B
R80
240
R131
240
+3V3
C48
100nF
C47
100nF
MII
_IN
T
R76
1
0
K
Second
source:
SI-
60116-F
PC3
PG11
PG13
PG14
PC2
PB8
PC4
PC5
PH6
PH7
PI10
PA7
PH3
PA0
PC1
PA2
R49
33
R48
33
R47
33
R46
33
R63
33
R50
33
R51
33
PA1
R77
2
K
2
R78
2
K
2
R79
2
K
2
M
II
_MCO
3
2
1
JP6
PA8
To
IO
expandor
EXP_IO1
+3V3
R121
50
R115
50
R91
50
R100
50
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