Main Board Schematic-01
Circuit Boards
7
LCD
PO
RT
E
NC
O
D
E
R
PO
RT
FKEY
PO
RT
VE
R
_SEL1
0
1
VE
R
_SEL0
ER
P_
30
M
IN
ER
P_
O
FF
N
O
ERP
H
AVE
E
RP
0
1
TO
FB
EMC
4
:
GND
3
:
D+
2
:
D-
SPI
_F
LASH
C
O
DE
JT
AG
NC
RESET
U
SB
NC
0R
0R
LD
SY
MN
T1
MN
T2
MN
T4
MN
T3
R
44
10K
R
45
1K
R
47
1K
C
57
10u
f/16
VS
MT
1
2
C
58
10u
f/16
VS
MT
1
2
C
59
0.
1u
C9
0.
1u
C
10
0.
1u
C
11
0.
1u
C
12
0.
1u
C8
0.
1u
C
92
0.
1u
C
93
0.
1u
R
89
4K7
R
90
4K7
R8
4K7
R9
2K7
C
15
0.
1u
C
16
0.
1u
C
17
0.
1u
C
20
0.
1u
C
21
10u
f/16
VS
MT
C
14
0.
1u
D
27
IN
4148
D
25
IN
4148
D
26
IN
4148
R
17
10K
R2
NC(
10
K)
R
18
NC(
10
K)
R
16
10K
1
8
AR
1-A
220
R CRN
164
2
7
AR
1-B
220
R CRN
164
3
6
AR
1-C
220
R CRN
164
4
5
AR
1-D
220
R CRN
164
1
2
3
CN
10
2.
0*
3H
1
2
3
4
5
6
7
CN1
2.
0*7
1
#CE
2
SO
3
#WP
4
GND
5
SI
6
SCK
7
#HO
LD
8
VCC
U65
MX
25L6406
EM
2I
-12G
C7
0.
1u
C
37
0.
1u
C
43
0.
1u
C
44
0.
1u
R5
22R
C
39
0.
1u
1
RESET
2
GND
3
VCC
U6
P
LD
3025
C
TA
1
VBUS
2
D-
3
D+
4
G
ND
5
SH1
6
SH2
USB1
SP1
R1
100R
R
25
100R
R
55
4K7
R
57
4K7
A1
1
VDD33
2
P
2.
0/R
O
W
S0
3
P
2.
1/R
O
W
S1
4
P
2.
2/R
O
W
S2
5
G
ND
6
P
2.
3/R
O
W
S3
7
P
2.
4/R
O
W
S4
8
P
2.
5/R
O
W
S5
9
P
2.
6/R
O
W
S6
10
VDD33
11
P
2.
7/R
O
W
S7
12
P
2.
8/R
O
WT0
13
P
2.
9/R
O
WT1
14
P
2.
10
/R
O
WT2
15
P
2.
11
/R
O
WT3
16
VDD12
17
VDD33
18
P
0.
20
/I2
S
_L
RC
LK
19
P
0.
21
/I2
S
_BC
LK
20
P
0.
22
/I2
S
_M
C
LK
21
P
0.
23
/I2
S
_DA
TA0
22
G
ND
23
SPI
0_
RX/SPI
0_
DA
TA1
24
SPI
0_
H
O
LD/RESE
T/DA
TA3
25
SPI
0_
W
P/DA
TA2
26
RST
27
VDD33
28
P
0.
19
/SPI
0_
CS1
29
SPI
0_
CS0
30
SPI
0_
TX/DA
TA0
31
SPI
0_
C
LK
32
VDD33
33
P
0.
3/IN
T1
34
P
0.
4/I
2S
_DA
TA1
35
P
0.
6/I
2S
_DA
TA3
36
P
0.
5/I
2S
_DA
TA2
37
P
2.
12
/R
O
WT4
38
P
0.
7/I
2S
_DA
TA4
39
P
2.
13
/R
O
WT5
40
P
2.
14
/R
O
WT6
41
P
2.
15
/R
O
WT7
42
VDD33
43
P
0.
24
/SD
_W
P/SPI
1_MO
SI
44
P
0.
25
/SD
_CD/SPI
1_M
ISO
45
P
0.
26
/SD
_DA
TA
2/SPI
1_
C
LK
46
P
0.
27
/SD
_DA
TA
1/SPI
1_
CS0
47
P
0.
8/UAR
T_
RX2
48
P
0.
9/UAR
T_
TX2
49
P
0.
10
/UAR
T_
RX1
50
P
0.
11
/UAR
T_
TX1
51
VDD12
52
VDD33
53
P
0.
28
/SD
_DA
TA
0/IN
T0
54
P
0.
14
/SPI
1_MO
SI
55
P
0.
16
/SPI
1_
C
LK
56
P
0.
15
/SPI
1_M
ISO
57
P
0.
17
/SPI
1_
CS0
58
P
0.
18
/SPI
1_
CS1
59
VDD33
60
P
1.
17
/L
M1
61
VDD_E
FUSE
62
VDD33
63
USB+
64
USB-
65
VDD12
_OUT
66
VDD33
67
G
ND
68
VDD12
69
VDD12
70
XO
UT
71
XIN
72
VDD33
73
P
1.
0/
LB0
74
P
1.
1/
LB1
75
P
1.
2/
LB2
76
P
1.
3/
LB3
77
VDD33
78
P
1.
4/
LB4
79
P
1.
5/
LB5
80
P
1.
6/
LB6
81
P
1.
7/
LB7
82
VDD12
83
VDD33
84
P
1.
8/
LB8
85
P
1.
9/
LB9
86
P
1.
10
/L
B
10
87
P
1.
16
/L
M0
88
VDD33
89
P
0.
12
/UAR
T_
RX0
90
P
0.
13
/UAR
T_
TX0
91
TES
T_MO
DE
92
P
0.
0/SCL
93
P
0.
1/SDA
94
P
0.
29
/SD
_C
LK/IN
T1
95
P
0.
30
/SD
_C
M
D/UAR
T_
RX1
96
P
0.
31
/SD
_DA
TA
3/UAR
T_
TX1
97
VDD33
98
VDD12
99
G
ND
100
P
1.
18
/L
M2
101
DBG_
TCK
102
P
1.
19
/L
M3
103
DBG_
TMS
104
P
0.
2/IN
T0
105
G
ND
106
G
ND
107
VDD33
108
VDD12
109
P
1.
20
/L
M4
110
P
1.
21
/L
M5
111
P
1.
22
/L
M6
112
P
1.
23
/L
M7
113
P
1.
24
/L
M8
114
P
1.
25
/L
M9
115
P
1.
26
/L
M
10
116
GND
_ADC
117
AIN0
118
AVDD33
119
AIN2
120
AIN1
121
AIN3
122
RI
G
H
T_
IN/
M
IC2
123
LE
FT
_IN/
M
IC1
124
VDD
33
_AUDIO
125
VC
OM
126
G
ND
_AUDIO
127
RI
G
H
T_O
UT
128
LE
FT
_O
UT
129
PAD
U1
A
1_4
1
2
3
4
5
CN8
2.
0*5
1
2
3
4
5
CN9 2
.0
*5
1
8
AR
2-A
220
R CRN
164
2
7
AR
2-B
220
R CRN
164
3
6
AR
2-C
220
R CRN
164
4
5
AR
2-D
220
R CRN
164
R
10
100R
R
59
100R
R
60
100R
1
2
3
CN
11
NC(
2.
0*
3)
USB-
M
IDI
1
8
AR
4-A
220
R CRN
164
2
7
AR
4-B
220
R CRN
164
3
6
AR
4-C
220
R CRN
164
4
5
AR
4-D
220
R CRN
164
C
13
4.
7uF
/25
VS
MT
C
22
0.
1u
C
41
0.
1u
C
42
0.
1u
C
63
0.
1u
C
64
0.
1u
C
65
0.
1u
C
66
0.
1u
1
2
3
4
5
CN7
2.
0*5
L1
B
LM
18
BD
102
SN1
1
2
C
69
0.
1u
1
2C2
0.1u
1
2
C
68
10uf/16
VSMT
C
60
10u
f/16
VS
MT
1
2
R
70
1M
1
2
R4
0R
1
2
R
22
0R
1
2
R
24
0R
1
2
R
63
0R
1
2
R
64
0R
1
2
R6
10K
1
2
R
19
10K
1
2
R62
10K
1
2
R61
10K
1
2
R88
10K
1
2
C67
100pf
1
2
R
72
10K
1
2
R
71
10K
1
2
C
71
1u
1
2
C
72
1u
1
2
C23
0.1u
1
2
C1
10u
0603
1
8
AR3-A
4K7
CRN
164
2
7
AR3-B
4K7
CRN
164
3
6
AR3-C
4K7
CRN
164
4
5
AR3-D
4K7
CRN
164
1
2
R3
0R
1
2
L2
1
2
R
39
1
2
Y1
12M
1
2
C3
22pf
1
2
C4
22pf
1
2
R7
1M
1
2
L3
102T
1
2
L4
102T
1
8
A
L3
-A
4
5
A
L3
-D
3
6
A
L3
-C
2
7
A
L3
-B
3
6
AR
7-C
470
R CRN
164
2
7
AR
7-B
470
R CRN
164
1
8
AR
7-A
470
R CRN
164
4
5
AR
7-D
470
R CRN
164
R20
4K7
R43
4K7
R51
4K7
R56
4K7
R73
4K7
R74
4K7
L5
NC
1
2
3
CN
12
2.
0*
3H
HP
_O
UT
+1
.2V
LED0
LED1
LED2
LED3
LED
0_R
LED
1_R
LED
2_R
LED
3_R
+5V
+3
.3V
+3
.3V
VER
_SE
L0
VER
_SE
L1
P
O
W
ER
_C
TRL
+3
.3V
VER
_SE
L0
+3
.3V
VER
_SE
L1
KEY0
KEY1
KEY2
KEY3
VDD
CS
WR
DA
TA
V
_G
ND
AD_IN0
AD_IN1
AD_IN2
AD_IN3
+3
.3
VA
G
ND
_ADC
+3
.3V
SPI
0_
D0
SPI
0_
D1
SPI
0_
D2
SPI
0_
D3
SPI
0_
C
LK
SPI
0_
CS0
SPI
0_
D0
SPI
0_
D1
SPI
0_
D2
SPI
0_
D3
SPI
0_
C
LK
SPI
0_
CS0
RESET
+3
.3V
+3
.3
V
_AUDIO
+3
.3V
RESET
RESET
+3
.3V
DEBU
G_
TMS
DEBU
G_
TCK
DEBUG_
TMS
DEBUG_
TCK
USB+
USB-
USB+
USB-
SCAN2
SCAN1
SCAN0
P
W
R
_DET
AUDI
O
-M
CU
+3.
3V
XIN
X
O
UT