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DR-BT50
3-5. IC PIN FUNCTION DESCRIPTION
IC401 WM8711LGEFL/R (AUDIO DAC) (MAIN BOARD)
Pin No.
Pin Name
I/O
Description
1
XTI/MCLK
I
Master clock input
2
XTO
-
Not used (Open)
3
DCVDD
-
Power supply (+2V)
4
DGND
-
Ground
5
DBVDD
-
Power supply (+2V)
6
CLKOUT
-
Not used (Open)
7
BCLK
O
Digital audio bit clock signal output
8
DACDAT
I
Digital audio data input
9
DACLRC
I
Sample rate left/right clock input
10
-
-
Not used (Open)
11
-
-
Not used (Open)
12
HPVDD
-
Power supply (+2.8V)
13
LHPOUT
O
L-CH audio signal output
14
RHPOUT
O
R-CH audio signal output
15
HPGND
-
Ground
16
LOUT
-
Not used (Open)
17
ROUT
-
Not used (Open)
18
AVDD
-
Power supply (+2.8V)
19
AGND
-
Ground
20
VMID
-
Mid-rail reference decoupling terminal
21
-
-
Not used (Open)
22
-
-
Not used (Open)
23
RLINEIN
I
R-CH line signal input (Not used)
24
LLINEIN
I
L-CH line signal input (Not used)
25
MODE
I
Mode control input (Pull down)
26
CSB
I
MPU Chip select input (Pull down)
27
SDIN
I
MPU Data input
28
SCLK
I
MPU Clock signal input
Summary of Contents for DR-BT50 - Stereo Bluetooth Headset
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