shows the Quad Port Ethernet Expansion Board functional block diagram.
EN
ET
EXPAN
SI
O
N
C
O
L
L
ET
O
R
[1
7
1
4
5
0
-3
1
0
6
]
WKUP_I2C0
EEPROM_A0,A1,A2
EEPROM_WP
EEPROM
[CAT24C256]
QSGMII PHY
(VSC8514XMK-11)
QSGMII4
REFCLK
MDIO
MDC
RSTn,INTn&
POWEROWN
Clock
Generator
CDCI6214
I2C0_SCL
I2C0_SDA
VOLTAGE
REGULATOR
TPS74801
(x2)
3.3 V
2.5 V
1 V
POWER(12 V, 5 V, 3V3)
STACKED RJ45
WITH INTEGRATED
MAGNETICS
(X2)
LPJG17512AONL
Port 1
Port 2
Port 3
Port 4
Figure 4-2. Quad Port Ethernet Expansion Functional Block diagram
J721E EVM Hardware Architecture
SPRUIS4D – MAY 2020 – REVISED MARCH 2022
Jacinto7 J721E/DRA829/TDA4VM Evaluation Module (EVM)
27
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