ST STM32F746NGH6 Manual page 12

R65
1K5
R77
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
3V3
R70 R67
4K7 4K7
R73
Matched Net Lengths [Tolerance = 100mil]
4K7
U9
16
TXEN
17
TXD0
18
TXD1
8
RXD0/MODE0
7
RXD1/MODE1 LED1/nINT/nPME/REGOFF
10
RXER/PHYAD0 LED2/nINT/nPME/nINTSEL
11
CRS_DV/MODE2
13
MDC
12
MDIO
15
nRST
14
nINT/REFCLK0
4
XTAL2
5
XTAL1/CLKIN
LAN8742A-CZ-TR
R68
4K7
3V3
R90
50
R91
Diff Pair 100ohm 50
i
21
TXP
20
TXN
23
RXP
i
22
RXN
i
Diff Pair 100ohm
i
3 Diff Pair 100ohm
2 Diff Pair 100ohm
R84
24
RBIAS
12K1
9
VDDIO
19
VDD1A
1
VDD2A
6
VDDCR
C81 C74
C66
25 100nF 100nF 10uF
GND_EP
470pF
C67
1uF
R92
50
R93
50
TD_P
TD_N
RD_P
RD_N
LED1_LINK/ACT_GREEN
LED2_SPEED_YELLOW
3V3
L2
BLM18PG121SN1D
R95 R88 R89 R94
10K 10K 330 330
C73
C60 C63
100nF 10uF
Title: Ethernet PHY with RJ45 connector
Project: STM32F746G-DISCO
Variant: F746NGH6
Revision: C 01 -
Size: A4 Date: 17/07/2019
C82 C83
100nF 100nF
CN9
3
TD+
5
TCT
4
TD-
7
RD+
6
RCT
8
RD-
12
LED(green)_A
11
LED(green)_K
1
LED(Yellow)_A
2
LED(Yellow)_K
9
NC
10
CHS GND
13
Shield
14
Shield
HR961160C
Reference: MB1191
Sheet: 12 of 14