ST UM2205 User Manual - page 11
UM2205
Getting started
DocID030539 Rev 1
11/21
2
Connect the two Type-C receptacles on the expansion board using the USB Type-
C cables provided
Blue LEDs D100 and D103 for PORT_0 and PORT_1 signal the current role of the
port:
one blink - port is a provider
two blinks - port is a consumer
3
Change the orientation of the cables.
Orange LEDs D102 and D105 for PORT_0 and PORT_1 signal the CC line used:
one blink - CC1
two blinks - CC2
4
Wait until an explicit contract is established.
Green LEDs D101 and D104 for PORT_0 and PORT_1 signal:
LED on - the port has defined an explicit contract with the port partner
LED blinking - the port, as provider or consumer, is supplying or is
sinking power, respectively
LED off - no power is being provided or sunk on the port
1.5.2
Standalone demo with external hardware connected
This procedure lets you change modes and observe P-NUCLEO-USB002 LED feedback
signals with an external port partner.
In the Provider and DRP roles, the exposed power profiles are dummies.
1
Stack the boards, set the jumpers and power the NUCLEO-F072RB board via PC
USB connection as per the basic configuration requirements.
Blue LEDs D100 and D103 for PORT_0 and PORT_1 signal their initial
configuration:
three blinks - port is a dual role port (DRP).
2
Connect P-NUCLEO-USB002 CN2 to NUCLEO-F072RB CN3 with the female
wires included in the package.
Connections:
CN2_1 to CN3_TX
CN2_2 to CN3_RX
3
Connect the Type-C to Type-C cable to one of the expansion board ports
The initial role of both ports is DRP.