Page 29
Figure 8-3: Audio module connection schematic
decoupling capacitors
C5
100nF
C6
100nF
C7
100nF
E8
10uF
VCC-3.3 VCC-3.3 VCC-3.3
VCC-3.3
C8
100nF
VCC-3.3
C34
100nF
VCC-3.3
decoupling capacitors
30
29
28
27
34
33
46
36
35
42
43
44
45
37
50
48
49
32
38
39
40
41
47
31
26
9
11
12
4
3
24
23
18
17
16
15
14
13
5
6
7
8
10
1
2
22
21
20
19
25
78
77
79
80
76
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
10
0
58
57
56
55
54
53
52
72
69
68
67
66
65
64
63
62
61
60
59
71
51
70
75
74
73
VCC-3.3
R5
27
R4
27
VREF-1.8
C30
22pF
C31
22pF
X3
32.768KHz
C2
22pF
C1
22pF
X1
8MHz
M
P3
-D
C
S
M
P3
-C
S#
E9
10uF
CLKO
CLKI
SOSCO
SOSCI
MP3-DREQ
MP3-RST#
MISO2-RG7
MOSI2-RG8
SCK2-RG6
R
B1
1
R
B1
0
R
B
9
R
B8
R
B
13
R
B1
2
RE7
RC1
RC2
RC3
SDA1/RA15
D+/RG2
R
B1
5
R
B1
4
RF8
Vbus
Vusb
D-/RG3
G
N
D
VC
C
R
A
6
R
G
0
R
G
1
R
E0
R
F1
R
F0
R
D
7
R
D
6
RE6
RE5
R
E2
R
G
13
R
G
12
R
G
14
R
E1
R
A
7
RG8
R
A
9/
Vr
ef
-
RB1
RB2
RB3
RB4
RB5
RE9
RD9
RD8
RF2
USBID/RF3
GND
RG7
RG6
R
A
1
R
E3
R
E4
RG15
VDD
R
B7
/P
G
ED
2
R
B6
/P
G
EC
2
RB0
R
F4
R
F5
SCL1/RA14
RA5
R
D
14
R
D
15
SCL2/RA2
R
F1
3
VC
C
SDA2/RA3
VCC
EN
VR
EG
RE8
RA0
VCC
G
N
D
R
F1
2
RA4
GND
VC
A
P
A
G
N
D
A
VC
C
R
A
10
/V
re
f+
MCLR
RC4
CLKI/RC12
CLKO/RC15
RD10
R
D
3
R
D
1
SOSCI/RC13
SOSCO/RC14
GND
R
D
2
R
D
12
R
D
13
R
D
4
R
D
5
RG9
RD11
RD0
U1
5
7
6
8
9
0
1
2
3
4
5
6
MP3-CS#
C20
22pF
C19
22pF
R1
1M
R20
10K
R21
10K
M
P3
-D
R
EQ
MP3-RST#
R2
10K
R19
10K
X2
12
.2
88
M
H
z
C13
1uF
VCC-3.3
G
PI
O
VCC-3.3
LEFT
RIGHT
GBUF
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
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
2
24
23
22
21
18
17
16
15
8
1
19
9
10
2
2
20
2
2
3
3
3
3
3
3
3
37
38
39
40
41
42
43
44
45
46
47
48
M
C
P/
LN
1
M
IC
N
XR
ES
ET
D
G
N
D
0
C
V
D
D
0
IO
V
D
D
0
C
V
D
D
1
D
R
EQ
G
PI
O
2
G
PI
O
3
G
PI
O
6
G
PI
O
7
XDCS/BSYNC
IOVDD1
VC0
DGND1
XTAL0
XTAL1
IOVDD2
DGND2
DGND3
DGND4
XCS
CVDD2
G
PI
O
5
R
X
TX
SC
LK
SI
SO
C
VD
D
3
XT
ES
T
G
PI
O
0
G
PI
O
1
G
N
D
G
PI
O
4
AGND0
AVDD0
AVDD2
AGND1
AGND2
AGND3
LN2
LEFT
RCAP
AVDD1
GBUF
RIGHT
VS1053
U2
VCC-1.8
VCC-3.3
MP3-CS#
M
P3
-R
S
T#
MP3-DCS
M
O
SI
2-
R
G
8
SC
K2
-R
G
6
M
IS
O
2-
R
G
7
PIC24FJ256GB110 PT
Содержание 8606015071688
Страница 41: ...Page 41 Notes...
Страница 42: ...Page 42 Notes...