Table 22. CN8 Ethernet connector pinout
Pin Pin name Function
1 TX1+
First bidirectional pair to transmit and receive data.
2 TX1-
3 TX2+
Second bidirectional pair to transmit and receive data.
4 TX2-
5 CT1 Common connected to GND.
6 CT2 Common connected to GND.
7 TX3+
Third bidirectional pair to transmit and receive data.
8 TX3-
9 TX4+
Fourth bidirectional pair to transmit and receive data.
10 TX4-
11 GA Green LED anode.
12 GC Green LED cathode.
13 YA Yellow LED anode.
14 YC Yellow LED cathode.
15 GND GND.
16 GND GND.
6.16
ARDUINO
®
connectors
6.16.1 Description
The ARDUINO
®
Uno V3 connectors (CN13, CN14, CN16, and CN17) are available on the STM32MP157x-DKx
Discovery kit. Most shields designed for ARDUINO
®
can fit with the Discovery kit to offer flexibility in small form
factor applications.
6.16.2 Operating voltage
The ARDUINO
®
Uno V3 connectors support 5 V, 3.3 V, and VDD for I/O compatibility.
Caution:
Do not supply 3.3 V or 5 V from the ARDUINO
®
shield. Supplying 3.3 V or 5 V from the ARDUINO
®
shield could
damage the Discovery kit.
UM2637
ARDUINO® connectors
UM2637 - Rev 2
page 26/47
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