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12
Pin
Signal
Description
Pin
Signal
Description
1
VBAT
Li+ Battery
2
GND
Ground
2.2 Ethernet (JP1)
RK3288 has integrated Gigabit Ethernet MAC. EM3288 adopts RTL8211E as the Ethernet chip. RJ45
connector
Feature
* Supports 10/100/1000-Mbps data transfer rates with the RGMII interfaces
* Supports both full-duplex and half-duplex operation
* Supports IEEE 802.1Q VLAN tag detection for reception frames
Pin
Signal
Description
Pin
Signal
Description
1
COM
Common
2
MDI0+
Bi-directional
transmit/receive pair 0
3
MDI0-
Bi-directional
transmit/receive pair 0
4
MDI1+
Bi-directional
transmit/receive pair 1
5
MDI2+
Bi-directional
transmit/receive pair2
6
MDI2-
Bi-directional
transmit/receive pair2
7
MDI1-
Bi-directional
transmit/receive pair 1
8
MDI3+
Bi-directional
transmit/receive pair 3
9
MDI3-
Bi-directional
transmit/receive pair 3
10
GND
Ground
11
VDD_LAN
3.3.V
12
LINK
Detect link
13
GND
Ground
14
SPEED
Detect speed
15
GND
Ground
16
GND
Ground