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PCM Audio Source
3.3V
GPIO
Soft mute
+
3.3V
3.3V
I
2
C
GPIO
I
2
C Address 2
Pull down to GND
Pull up to 3.3V
R1
R2
C1
C2
C1 , C 2 = 2.2nF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
CPVDD
CAPP
CPGND
CAPM
VNEG
OUTL
OUTR
AVDD
AGND
VCOM
SDA
SCL
GPIO5
GPIO4
DVDD
DGND
LDOO
XSMT
ADR1
LRCK
DIN
BCK
SCK
GPIO6
MODE2
MODE1
ADR2
GPIO3
I
2
C Address 1
0.1
F
0.1
F
R1, R2, = 470
GPIO
GPIO
0.1
F
2.2
F
2.2
F
0.1 F10 F
+
3.3V
3.3V
R1
R2
C1
C2
C1 , C 2 = 2.2nF
+
PCM Audio Source
3.3V
GPIO
Soft mute
GPIO
I
2
C Address 2
Pull down to GND
Pull up to 3.3V
I
2
C Address 1
0.1
F
0.1
F
I
2
C
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
CPVDD
CAPP
CPGND
CAPM
VNEG
OUTL
OUTR
AVDD
AGND
VCOM
SDA
SCL
GPIO5
GPIO4
DVDD
DGND
LDOO
XSMT
ADR1
LRCK
DIN
BCK
SCK
GPIO6
MODE2
MODE1
ADR2
GPIO3
R1, R2, = 470
GPIO
GPIO
0.1
F10 F
10
F
0.1 F
2.2
F
2.2 F
PCM Audio Source
1.8V
+
3.3V
3.3V
SPI
GPIO
GPIO
R1
R2
C1
C2
C1 , C 2 = 2.2nF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
DVDD
DGND
LDOO
XSMT
MISO
LRCK
DIN
BCK
SCK
GPIO6
MS
MODE1
GPIO2
GPIO3
CPVDD
CAPP
CPGND
CAPM
VNEG
OUTL
OUTR
AVDD
AGND
VCOM
MOSI
MC
GPIO5
GPIO4
R1, R2, = 470
0.1 F
Soft mute
SPI DOUT
GPIO
GPIO
GPIO
Pull up to 1.8V
Chip select for SPI
0.1
F10 F
0.1 F
2.2
F
2.2
F
PCM5141, PCM5142
www.ti.com
SLAS759A –AUGUST 2012–REVISED SEPTEMBER 2012
Figure 16. SPI Control, VREF Mode, DVDD=1.8V Figure 17. SPI Control, VCOM Mode, DVDD=1.8V
Figure 18. I
2
C Control, VREF Mode, DVDD=3.3V Figure 19. I
2
C Control, VCOM Mode, DVDD=3.3V
Copyright © 2012, Texas Instruments Incorporated Submit Documentation Feedback 17
Product Folder Links: PCM5141 PCM5142