UM2819
ARDUINO® and MORPHO connectors
7.9 ARDUINO
®
connector
7.9.1 Description
On the bottom side of the board, there is an ARDUINO
®
Uno V3 extension socket. It is built around four standard
CN5, CN6, CN8, and CN9 connectors. Most shields designed for ARDUINO
®
can fit with the development boards
to offer flexibility in small form factor applications.
Figure 16. ARDUINO
®
Uno connectors and ARDUINO
®
shield location
ST Restricted
CN5 digital 8-15 ARDUINO
®
CN9 digital 0-7 ARDUINO
®
CN8 analog 0-5 ARDUINO
®
CN6 power ARDUINO
®
Arduino Uno Shield
7.9.2 Operating voltage
The ARDUINO
®
Uno V3 connector supports 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 may
damage the Nucleo board.
Furthermore, if it is necessary to supply the Nucleo board by the ARDUINO
®
connector, a dedicated pin is
available. VIN can supply the board directly. Refer to Section 7.1.2 for further details.
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