User's Manual

Page 9/15
PIN ASSIGNMENT
Pin.
Pin Name
Type
Description
1
VBUS
P
3.3V Power supply
2
GND
G
Ground
3
SPKL_P
O
Speaker differential output positive, left
4
SPKL_N
O
Speaker differential output negative, left
5
SPKR_P
O
Speaker differential output positive, right
6
SPKR_N
O
Speaker differential output negative, right
7
GND
G
Ground
8
Paring
I
Active High(1.8V) to enter paring mode
9
LED
O
LED driver, Open-Drain
10
VREGENABLE
I
Active High(3.3V) to enable BT or disable BT
11
MIC1_B
G
Connect to Ground(Black cable)
12
MIC1_R
I
Microphone input(Red cable)
13
MIC1_B
G
Connect to Ground(Black cable)
14
MIC2_R
I
Microphone input(Red cable)