Pin No

Pin Name

Pin Task

1

VUSB

Main supply line

2

DP

Differential data line (positive)

3

DN

Differential data line (negative)

4

CC1

-

5

CC2

-

6

GND

Main ground line

7

SHLD

Gound 

Pin No

Pin Name

Pin Task

1

VBAT

Li-Po battery (+) terminal

2

GND

Li-Po battery (-) terminal

Pin No

Pin Name

Pin Task

1

GND

Main ground line

2

3V3

Regulator output (3.3V)

3

SD

Bi-directional data line

4

SC

Data line time (clock) synchronization signal