Datasheet
Page 26
Page 27
Figure 8-3: Audio module connection schematic
0
9
8
7
4
3
58
57
56
55
54
53
52
6
6
5
2
3
4
5
7
0
9
8
9
11
12
2
72
69
68
67
66
65
64
63
4
3
78
77
24
23
18
17
16
15
14
13
5
6
7
8
10
79
80
1
2
22
21
20
19
62
61
60
59
8
9
0
1
7
71
1
51
70
6
25
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75
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73
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
10
U1
VCC-3.3
R5 27
R4 27
VREF-1.8
C30
22pF
C31
22pF
X3 32.768KHz
C2
22pF
C1
22pF
X1 8MHz
MP3-DCS
MP3-CS#
E9
10uF
CLKO
CLKI
SOSCO
SOSCI
MP3-DREQ
MP3-RST#
MISO2-RG7
MOSI2-RG8
SCK2-RG6
3
2
2
2
3
3
4
3
3
4
4
4
4
3
5
4
4
3
3
3
4
4
4
3
2
dsPIC33EP512MU810
0
RB11
RB10
RB9
RB8
RB13
RB12
RE7
RC1
RC2
RC3
ASDA1/RA15
D+/RG2
RB15
RB14
RF8
Vbus
Vusb
D-/RG3
GND
VCC
RA6
RG0
RG1
RE0
RF1
RF0
RD7
RD6
RE6
RE5
RE2
RG13
RG12
RG14
RE1
RA7
RG8/SDO2
RA9/Vref-
RB1
RB2
RB3
RB4
RB5
RE9
RD9
RD8
RF2
USBID/RF3
GND
RG7/SDI2
RG6/SCK2
RA1
RE3
RE4
RG15
VDD
RB7/PGED1
RB6/PGEC1
RB0
RF4
RF5
ASCL1/RA14
RA5
RD14
RD15
ASCL2/RA2
RF13
VCC
ASDA2/RA3
VCC
ENVREG
RE8
RA0
VCC
GND
RF12
RA4
GND
VCAP
AGND
AVCC
RA10/Vref+
MCLR
RC4
CLKI/RC12
CLKO/RC15
RD10
RD3
RD1
SOSCI/RC13
SOSCO/RC14
GND
RD2
RD12
RD13
RD4
RD5
RG9
RD11
RD0
decoupling capacitors
C5
100nF
C6
100nF
C7
100nF
E8
10uF
VCC-3.3 VCC-3.3 VCC-3.3VCC-3.3
C8
100nF
VCC-3.3
C34
100nF
VCC-3.3
MP3-CS#
R20
10K
R21
10K
MP3-DREQ
MP3-RST#
R2
10K
R19
10K
C13
1uF
VCC-3.3
GPIO
VCC-3.3
LEFT
RIGHT
GBUF
E1 10uF
E2 10uF
CN2
PHONEJACK
LEFT
RIGHT
C16
10nF
C14
47nF
C15
10nF
R27
10
R30
20
R31
20
R28 10
R29 10
R32
470
C17
3.3nF
R17
100K
R33
470
C18
3.3nF
R18
100K
L
R
R22
27
2
3
4
5
6
7
11
12
13
14
25
24
23
22
21
18
17
16
15
8
1
19
9
10
27
26
20
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
MCP/LN1
MICN
XRESET
DGN D0
CVDD0
IOVDD0
CVDD1
DRE Q
GPIO2
GPIO3
GPIO6
GPIO7
XDCS/BSYNC
IOVDD1
VC0
DGND1
XTAL0
XTAL1
IOVDD2
DGND2
DGND3
DGND4
XCS
CVDD2
GPIO5
RX
TX
SCLK
SI
SO
CVDD3
XTEST
GPIO0
GPIO1
GND
GPIO4
AGND0
AVDD0
AVDD2
AGND1
AGND2
AGND3
LN2
LEFT
RCAP
AVDD1
GBUF
RIGHT
VS1053
U2
VCC-1.8 VCC-3.3
MP3-CS#
MP3-RST#
MP3-DCS
MOSI2-RG8
SCK 2-RG6
MISO 2-RG7
C20 22pF
C19 22pF
R1
1M
X2
12.288MHz
decoupling capacitors
C4
100nF
C9
100nF
VCC-1.8 VCC-1.8
C11
100nF
C10
100nF
VCC-1.8 VCC-1.8
C12
100nF
C23
100nF
VCC-3.3
C24
100nF
VCC-3.3
C26
100nF
VCC-3.3 VCC-3.3
C27
100nF
VCC-3.3