User's Manual

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4
2. Interface Pin define
This module has 2 different signal interfaces for supporting analog signal and digital signal.
Figure 2: Key component is shown as below marks
2.1 Analog Audio I/F module pin define
Pin NO.
Pin
Type
Description Remark
1 - Ground
B_J2
2 I BT_RST
B_J2
3 Power BT_VDD33
B_J2
4
I
URT_CTS
B_J2
5
O
URT_RTS
B_J2
6
I
URT_RX
B_J2
7
O
URT_TX
B_J2
8
O
MUTE
B_J2
9
-
Ground
B_J2
10
O
LCH_N
B_J2
11
O
LCH_P
B_J2
12
O
RCH_P
B_J2
13
O
RCH_N
B_J2
14 - Ground
B_J2