Figure 30. Ethernet Phy With Rj45 Connector - ST STM32F746G-DISCO User Manual

3V3
R65 R70 R67
1K5 4K7 4K7
R77 R73
4K7 4K7
RMII_TX_EN
RMII_TXD0
RMII_TXD1
R69 33
RMII_RXD0
R71 33
RMII_RXD1
RMII_RXER
R66 33
RMII_CRS_DV
RMII_MDC
RMII_MDIO
NRST
RMII_REF_CLK
R78
OSC_25M
OSC_25M
100
R68
4K7

Figure 30. Ethernet PHY with RJ45 connector

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