Connector Pinout Reference

Pin assignments for USB, RS-232, HDMI, JTAG, SWD, and other common connectors

USB Type-A4 pins

1

VBUS

2

D-

3

D+

4

GND

Pin	Signal	Description	Direction
1	VBUS	+5V Power	Power
2	D-	Data-	Bidirectional
3	D+	Data+	Bidirectional
4	GND	Ground	Power