MODE1=L,MODE2=L Hardwired Mode
MODE1=L, MODE2=H I2C mode
*'))OXI[OZ
VREF mode (default), pin10 ties to GND
I2C Adress
˖
0X4C
10011 ADR2 ADR1(00)
Soft mute (Low) / soft un-mute (High)
I2C_SCL1
I2C_SDA1
I2S1_LRCLK
I2S1_DATA
DAC_MUTE
I2S1_BCLK
VDD
VDD
Audio_out_L
I2C_SCL1
I2C_SDA1
VDD
DAC_MUTE
VDD
Audio_out_R
VDD
Audio_out_L
Audio_out_R
I2S1_LRCLK
I2S1_DATA
I2S1_BCLK
I2C_SDA1
I2C_SCL1
DAC_3V3
A
AA
A
A
A
DAC_3V3
DAC_MUTE
I2C_SCL1
I2C_SDA1
Audio_out_R
Audio_out_L
I2S1_LRCLK
I2S1_DATA
I2S1_BCLK
R787
4.7K
R414
1.1K/1%
R147 100K
C133
0.1uF/16V/X7R
R141 10K
C130 0.1uF/16V/X7R
R144
100K
C139
10UF/6.3V/X5R
R136 1K/1%
C136
1000pF/50V/X7R
R826
0/1%
R146 100K
R132 33
R786
4.7K
C132
10UF/6.3V/X5R
R413 1K/1%
R143 10K
R131
1.1K/1%
C131 0.1uF/16V/X7R
C386
1000pF/50V/X7R
R825
0/1%
C135 2.2UF/10V/X5R
R142 33
R139 100K
C140
0.1uF/16V/X7R
U13
PCM5121PWR
CPVDD
1
CAPP
2
CPGND
3
CAPM
4
VNEG
5
OUTL
6
OUTR
7
AVDD
8
AGND
9
VCOM
10
GPIO6
19
SCK
20
BCK
21
DIN
22
LRCK
23
ADR1
24
XSMT
25
LDOO
26
DGND
27
DVDD
28
SDA
11
SCL
12
GPIO5
13
GPIO4
14
MODE2
18
MODE1
17
ADR2
16
CPOI3
15
R140 33
R61
10k
C134
2.2UF/10V/X5R
Circuit Diagram-Main Board