Page 29
Figure 8-3: Audio module connection schematic
MP3-BSYNC
MP3-CS#
MOSI1-RC5
SCK1-RC3
MISO1-RC4
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
C29
2.2uF
VCC-3.3
R46
100K
E10
10uF
R47
220K
VCC-1.8
VCC-1.8
R50
0R
R22
27
MCN
2
XRESET
3
DGND0
4
CVDD0
5
IOVDD0
6
CVDD1
7
GPIO6
11
GPIO7
12
XDCS/BSYNC
13
IOVDD1
14
GPIO5
25
CVDD2
24
XCS
23
DGND4
22
DGND3
21
XTALI
18
XTALO
17
DGND1
16
VCO
15
DREQ
8
MCP/LN1
1
IOVDD2
19
GPIO2
9
GPIO3
10
TX
27
RX
26
DGND2
20
SCLK
28
SI
29
SO
30
CVDD3
31
XTEST
32
GPIO0
33
GPIO1
34
GND
35
GPIO4
36
AGND0
37
AVDD0
38
RIGHT
39
AGND1
40
AGND2
41
GBUF
42
AVDD1
43
RCAP
44
AVDD2
45
LEFT
46
AGND3
47
LN2
48
U2
VS1053
VCC-1.8
VCC-3.3
MP3-CS#
MP3-RST#
Vin
1
GND
2
EN
3
Vout
5
ADJ
4
U3
MIC5205-ADJ
E9
10uF
MISO1-RC4
MP3-RST#
MP3-DREQ
MP3-CS#
RA0/AN0
30
RA1
29
RA2
28
RA3
27
RA4
34
RA5
33
RB0
58
RB1
57
RB2
56
RB3
55
RB4
54
RB5
53
RB6
52
RB7
47
RC0
36
RC1
35
RC2
43
RC3
44
RC4
45
RC5
46
RC6
37
RC7
38
MCLR
9
OSC1
49
OSC2
50
GND
11
VCCcore/Vcap
12
VCC
32
RD0
72
RD1
69
RD2
68
RD3
67
RD4
66
RD5
65
RD6
64
RD7
63
RE0
4
RE1
3
RE2
78
RE3
77
ENVREG
24
VUSB
23
RF2
18
RF3/D-
17
RF4/D+
16
RF5
15
RF6
14
RF7
13
RG0
5
RG1
6
RG2
7
RG3
8
RG4
10
RH0
79
RH1
80
RH2
1
RH3
2
RH4
22
RH5
21
RH6
20
RH7
19
RJ0
62
RJ1
61
RJ2
60
RJ3
59
RJ4
39
RJ5
40
RJ6
41
RJ7
42
VCC
48
VCC
71
GND
31
GND
51
GND
70
AGND
26
AVCC
25
RE4
76
RE5
75
RE6
74
RE7
73
U1
PIC18F87J50
VCC-3.3
Vcap
Vcap
MP3-BSYNC
SCK1-RC3
MOSI1-RC5
R5 56
R4 56
Содержание mikromedia PIC18FJ
Страница 41: ...Page 41 Notes...
Страница 42: ...Page 42 Notes...