ST STM32F746G-DISCO - Figure 30. Ethernet PHY with RJ45 Connector

Electrical schematics UM1907 36/49 DocID027942 Rev 3
Figure 30. Ethernet PHY with RJ45 connector
11 13
Ethernet PHY with RJ45 connector
MB1191 B-04
10/16/2015
Title:
Size: Reference:
Date: Sheet: of
A4
Revision:
STM32F746G-DISCO
Project:
RMII_TXD0
RMII_TX_EN
RMII_RXD0
RMII_REF_CLK
RMII_CRS_DV
RMII_MDC
RMII_MDIO
NRST
RMII_TXD1
RMII_RXD1
3V3
3V3
C60
100nF
C83
100nF
C82
100nF
C81
100nF
C74
100nF
MDIO
12
MDC
13
RXD1/MODE1
7
RXD0/MODE0
8
RXER/PHYAD0
10
TXEN
16
TXD0
17
TXD1
18
CRS_DV/MODE2
11
nRST
15
XTAL1/CLKIN
5
XTAL2
4
GND_EP
25
RBIAS
24
VDDIO
9
VDD1A
19
VDD2A
1
VDDCR
6
RXP
23
RXN
22
TXN
20
TXP
21
nINT/REFCLK0
14
LED2/nINT/nPME/nINTSEL
2
LED1/nINT/nPME/REGOFF
3
U9
LAN8742A-CZ-TR
OSC_25M
OSC_25M
R78
100
TD+
3
TCT
5
TD-
4
RD+
7
RCT
6
RD-
8
NC
9
CHS GND
10
LED(green)_A
12
LED(green)_K
11
LED(Yellow)_A
1
LED(Yellow)_K
2
Shield
13
Shield
14
CN9
HR961160C
R73
4K7
R67
4K7
R70
4K7
R68
4K7
3V3
RMII_RXER
R77
4K7
R65
1K5
i
Diff Pair 100ohm
Matched Net Lengths [Tolerance = 100mil]
i
Diff Pair 100ohm
i
Diff Pair 100ohm
i
Diff Pair 100ohm
TD_N
TD_P
RD_N
RD_P
R84
12K1
C63
10uF
R90
50
R91
50
R69 33
R92
50
R93
50
R71 33
R66 33
R95
10K
R88
10K
L2
BLM18PG121SN1D
R89
330
R94
330
LED2_SPEED_YELLOW
LED1_LINK/ACT_GREEN
C67
1uF
C73
10uF
C66
470pF