8
6
7
4
5
2
3
1
E
D
C
B
A
SHEET 02
CN21
U
SB
D
M
U
SB
D
P
U
SB
D
+
U
SB
D
-
U
SB
VD
D
U
SB
VS
S
N
.C
N
.C
N
.C
N.C
N.C
N.C
N.C
SDA
VDD33
VSS33
SCL
OSCVSSR
EX_MEM_CEB
VDD18
GND
N.C
N.C
OSCVDDR
EX_MEM_OEB
EX_MEM_WEB
EX_MA15
EX_MA14
EX_MA13
EX_MA12
EX_MA11
EX_MA10
EX_MA7
EX_MD7
EX
_M
D
5
G
N
D
GND
G
N
D
VS
S3
3
VSS33
PROG_GND
PRGAGND
PROGAVDD
VDD33
VD
D
33
VDD33
VDD33
G
PI
O
A[
3]
PRG_VDDH
PRG_VDDH
GPIOB[7]_L
GPIOB[6]_L
GPIOB[5]_L
GPIOC[2]
GPIOD[1]_L
GPIOD[7]_L
GPIOD[4]_L
GPIOB[2]
GPIOB[1]
GPIOB[0]
GPIOA[0]
RE
SE
T_
b
U
SB
_D
ET
EC
T
G
PI
O
C[
5]
G
PI
O
_P
I0
VD
D
18
VDD18
VD
D
18
PRG_VDD
PRG_VDD
IS
P_
m
od
e
ex
t_
ro
m
ex
t_
in
t
SP
I_
CL
K
SP
I_
CS
N
M
O
SI
_P
AD
RC
V_
IR
D
A
RX
D
_U
AR
T2
TX
D
_U
AR
T2
O
SC
VD
D
U
XI
XO
O
SC
VS
SU
PL
LA
VD
D
U
PL
LA
G
N
D
U
MISO_PAD
GPIOA[6]
GPIOA[5]
GPIOB[4]
GPIOB[3]
GPIOA[2]
G
PI
O
C[
4]
G
PI
O
C[
3]
G
PI
O
C[
1]
RX
D
1i
TX
D
1
G
PI
O
_P
O
0
VD
D
33
G
PI
O
D
[2
]
G
PI
O
D
[3
]
G
PI
O
D
[6
]
G
PI
O
D
[5
]
G
PI
O
C[
7]
PL
L_
AG
N
D
PL
L_
AV
D
D
H
PV
D
D
N
.C
N
.C
U
SB
_R
U
SB
_L
H
PG
N
D
AV
D
D
AG
N
D
VM
ID
USB DECODER
X'TAL 12MHz
USB PART
SHEET 04
MC-DX40 only
EX_MA16
EX
_M
A9
EX
_M
A8
EX_MA6
EX_MA5
EX_MA4
EX_MA3
EX_MA2
EX_MA1
EX_MA0
EX_MD6
EX
_M
D
4
EX
_M
D
3
EX
_M
D
2
EX
_M
D
1
EX
_M
D
0
EX_MA11
PLAY MODE
UPDATE MODE
FLASH MODE
R330, R335
EX_MA9
EX_MA8
EX_MA13
EX_MA14
EX_MA15
EX_MA12
+5V
D-
D+
GND
USB B'D
MC-DX40 only
USB JACK
BN21
USB B'D
1
GND
2
3
VOUT(5V)
4
D+
5
6
7
GND
D-
GND
KEY1
(CUP12113Z-4)
R331, R336
O
O
X
X
R3
05
27
R3
04
27
R306
15K
R307
15K
12
8
12
7
12
6
12
5
12
4
12
2
12
3
12
1
12
0
11
9
11
8
11
7
11
6
11
5
11
4
11
3
11
2
11
1
11
0
10
9
10
8
10
7
10
6
10
5
10
4
10
3
10
2
10
1
10
0
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IC31
OTI2368
X301
12MHz
R308
1M
C3
07
20
P
C3
08
20
P
C3
16
0.
1u
F
C3
19
0.
1u
F
C3
18
0.
1u
F
C3
17
0.
1u
F
C315
0.1uF
C314
0.1uF
C313
0.1uF
C312
0.1uF
C311
0.1uF
C310
0.1uF
C309
0.1uF
C3
06
0.
1u
F
C3
05
0.
1u
F
C3
04
0.
1u
F
C303
0.1uF
C302
0.1uF
C301
0.1uF
C3
20
0.
1u
F
R301
0
R3
02
0
R3
03
0
R3
09
0
R3
10
0
C354
100/16V
C355
100/16V
R318
100
R319
100
R311
N.C
C353
N.C
R3
12
N
.C
R3
13
N
.C
C3
23
N
.C
R3
16
47
K
C3
24
N
.C
R3
17
47
K
R314
100
R315
100
C3
29
N
.C
C3
36
10
/5
0V
C3
37
0.
1u
F
C3
50
22
/1
6V
C3
49
22
/1
6V
R3
30
10
K
R3
32
0
R3
29
0
R333
1K
R3
34
10
K
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IC34
CVISST39VF51270N
C3
97
0.
1u
F
R3
35
10
K
4
3
2
1
JK31
U
S
B
J
A
C
K
L302
60
L303
60
C3
57
1
0
0
/2
5
V
C3
56
1
0
/5
0
V
R3
26
47
0
C3
35
10
0P
C3
34
10
0P
1
2
3
4
5
6
7
BN
21
R323
0
JW31
JW32
GND
GND
D+
D-
GND
+USB3.3V
+USB1.8V
OTI_RX
O
TI
_T
X
USB/IPOD_L
USB/IPOD_R
GND
GND
OTI_RESET
GND
GND
+USB3.3V
+USB3.3V
+USB3.3V
GND
EX_MA7
EX_MA6
EX_MA5
EX_MA4
EX_MA3
EX_MA2
EX_MA1
EX_MA0
EX_MD0
EX_MD1
EX_MD2
GND
EX_MD3
EX_MD4
EX_MD5
EX_MD6
EX_MD7
EX_MEM_CEB
EX_MEM_OEB
EX_MEM_WEB
EX_MEM_CEB
GND
EX_MEM_OEB
EX_MEM_WEB
EX_MA7
EX_MA6
EX_MA5
EX_MA4
EX_MA3
EX_MA2
EX_MA1
EX_MA0
EX_MD7
EX_MD6
EX
_M
D
5
EX
_M
D
4
EX
_M
D
3
EX
_M
D
2
EX
_M
D
1
EX
_M
D
0
+USB3.3V
+USB3.3V
USB_CHGND
D-.
D+.
D+.
D-.
GND
GND
GND
USB_CHGND
GND
USB_CHGND
U
SB
_D
ET
EC
T
EXT_ROM
ISP_MODE
MAIN PCB
MC-DX40
MC-DX40
Micro Hi-Fi System
