Datasheet

Page 28
Page 29
Figure 8-3: Audio module connection schematics
VCC-3.3
R5 27
R4 27
VREF-1.8
C31
22pF
C30
22pF
X3
32.768KHz
C2
22pF
C1
22pF
X1
8MHz
E9
10uF
MOSI2-RG8
SCK2-RG6
MP3-DCS
MP3-CS#
MP3-RST#
MP3-DREQ
SOSCO
SOSCI
CLKO
CLKI
MISO2-RG7
30 29 28 27 34 33
58
57
56
55
54
53
52
46 36 35 42 43 44 45 37 50
9
48 49
11
12
32
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
38 39 40 41 47
71
31
51
70
26
25
76
75
74
73
dsPIC33FJ256GP710A
81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
RB11 RB10/AN10 RB9/AN9 RB8/AN8 RB13 RB12
RE7
RC1
RC2
RC3
RA15
SCL1/RG2
RB15 RB14
SDO1/RF8
SDI1/RF7
SCK1/RF6
SDA1/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/AN2
RB3
RB4
RB5
RA13
RD9
RD8
U1RX/RF2
U1TX/RF3
GND
RG7/SDI2
RG6/SCK2
RA1
RE3 RE4
RG15
VCC
RB7/PGED1
RB6/PGEC1
RB0
RF4
RF5
RA14
RA5
RD14 RD15
RA2
RF13
VCC
RA3
VCC
VCC
RA12
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
U1
MP3-CS#
C20
22pF
C19
22pF
C11
100nF
R1 1M
R20
10K
R21
10K
MP3-DREQ
MP3-RST#
C10
100nF
C4
100nF
C12
100nF
C9
100nF
R2
10K
R19
10K
C23
100nF
VCC-3.3
C24
100nF
VCC-3.3
C26
100nF
VCC-3.3
VCC-3.3
C27
100nF
X2
12.288MHz
C13
1uF
VCC-3.3
GPIO
VCC-3.3
LEFT
RIGHT
GBUF
VCC-1.8 VCC-1.8
VCC-1.8
VCC-1.8
VCC-3.3
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 1027
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
DGND0
CVDD0
IOVDD0
CVDD1
DREQ
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
SCK2-RG6 MISO2-RG7
C5
100nF
C6
100nF
C7
100nF
E8
10uF
VCC-3.3
VCC-3.3
VCC-3.3VCC-3.3
C8
100nF
VCC-3.3
decoupling capacitors
decoupling capacitors