Schematics

A
B
C
D
D
C
B
A
Title
Number RevisionSize
B
Date: 23-Nov-2016 Sheet of
File: F:\work\baby monitor\VBM050\VBM050-100.DDBDrawn By:
IOB0/ADC0
35
IOB1/ADC1
36
IOB2/ADC2
37
IOB3/ADC3
38
IOB4/ADC4
39
IOB5/ADC5
40
IOB6/ADC6
41
IOB7/ADC7
42
IOB8
45
IOB9
46
IOB10
47
IOB11
48
IOB12
49
IOB13
50
IOB14
51
IOB15
52
IOA15/SPIDI
66
IOA14/SPIDO
67
IOA13/SPICK
68
IOA12/SPICS
69
IOA11
1
IOA10/EXT2
2
IOA9
3
IOA8/EXT1
4
IOA7
7
IOA6
8
IOA5
9
IOA4
10
IOA3
11
IOA2
12
IOA1/IR
13
IOA0/PWM
14
R32SEL
19
AGC
30
VCOIN
21
VADREF
29
VDD_REG
15
V33_REG
16
VSS_REG
18
V33_ADC
27
VSS_ADC
26
VDD_IOA
5
VSS_IOA
6
VDD_IOB
43
VSS_IOB
44
TEST
25
TEST2/VPP
17
TEST3/EPM
20
RESETB
22
OPI
31
MICOUT
32
MICN
33
MICP
34
VMIC
28
VSS_PDAC
53
VSS_PDAC
54
VSS_PDAC
62
VSS_PDAC
63
VSS_DAC
64
VDD_DAC
59
VDD_PDAC
57
VDD_PDAC
58
AUDN
55
AUDN
56
AUDP
61
AUDP
60
ACIN
65
XTO
23
XTI
24
U8
GPCE2P064A
R88
3.3K
C50
0.1uF
Y3
32.768kHz
C73
22pF
C76
22pF
SERV
M4F0
M4B0
M3F0
M3B0
M2F0
M2B0
1
T7
MIC_L
M1B0
M1F0
MIC_R
COM1
COM2
COM3
COM4
1
T9
1
T10
1
T8
SDA
SCK
1
T12
1
T13
AN1
AN2
AN3
AN4
AN5
AN6
C48
3.3nF
C51
0.1uF
C58 2.2uF
C60
0.1uF
C62
10uF
R91
100R
C71
0.1uF
C72
1uF
1
T15
1
T16
VPP
EPM
RESETB
C78
0.1uF
GND
C89
0.1uF
VCOIN
VADREF
V_ADREF_1
VPP
EPM
SDA
SCK
VDD
VDD
VDD
VDD
PWM
VDD
MIC_L
MIC_R
SERV
AN6
AN5
COM1
COM2
COM3
COM4
V_ADREF_1
M1F0
M1B0
M2F0
M2B0
M3F0
M3B0
M4F0
M4B0
PWM
AN1
AN2
AN3
AN4
1
2
3
4
5
6
7
8
9
10
11
12
13
J1
CON14
1
2
3
4
5
6
7
8
9
10
11
12
13
J2
CON14
1
T1
1
T2
1
T3
1
T4
1
T5
1
T6
Einstein_Motor COB
COB:
V1