ST PCC020V1, Руководство пользователя

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13.3 Schematic diagram
Figure 55. STEVAL-PCC020V1 circuit schematic: USB power
T
X
D
R
X
D
G
ND
_
U
S
B
V
DD
_
P
V
DD
_
P
G
ND
_
U
S
B
5V
_
U
S
B
V
DD
_3
V
3
5
V
_
U
S
B G
ND
_
U
S
B
G
ND
_
U
S
B
G
ND
_
U
S
B
V
DD
_
P
5V
_
U
S
B
G
ND
_
U
S
B
G
ND
_
S
T
M
+
5V
V
DD
_3
V
3
V
DD
_3
V
3
+
20
V
GND _USB
G
ND
_
U
S
B
G
ND
_
U
S
B
G
ND
_
U
S
B
GND _U SB
G
ND
_
S
T
M
G
ND
_
S
T
M
G
ND
_
S
T
M
U
A
R
T
_
H
O
S
T
_
T
X
U
A
R
T
_
H
O
S
T
_
R
X
U
4
ES
D
A
LC
L6
-2
S
C
6
I/O1#
1
1
GN
D
2
VBU
S
5
I/O2#
4
4
I/O1#
6
6
I/O2#
3
3
R
5
4
.7
K
C
5
2.
2U
F
C
1
0
1U
F
C
2
100
N
F
VDD GND
U
2
A
C
P
L
-M
61
L
1 3
4 5 6
C
9
100
N
F
R
2
330
R
C
7
1
U
F
M
16
M
15
C
1
100
N
F
R
1 330
R
J
1
1734035
-1
USB_VC
C
1
USBD
M
2
USBD
P
3
USB_GN
D
5
SHEL
L
6
SHEL
L
7
SHEL
L
8
ID
4
SHEL
L
9
U
3
C
P
210
2
DC
D
1
R
I
2
GN
D
3
D
+
4
D
-
5
VD
D
6
REG
IN
7
VBU S
8
RS T
9
NC
10
/SUSPEN D
11
SUSPEN D
12
NC
13
NC
14
N
C
1
5
N
C
1
6
N
C
1
7
N
C
1
8
N
C
1
9
N
C
2
0
N
C
2
1
NC
22
CT S
23
RT S
24
RX D
25
TX D
26
DS R
27
DT R
28
GND_P
A
D
2
9
F
IX
4
H
O
LE
_3
.2
MM
_6
VDD GND
U
1
A
C
P
L
-M
61
L
1 3
4 5 6
C
6
2
.2
U
F
T
P
1
1
U
6
L
D
2981
AB
M
33
T
R
V
IN
1
GN
D
2
INH
IB
IT
3
N
C
4
VOU
T
5
U
5
N
M
D
050515
S
C
+V
IN
1
-V
IN
2
-VOU
T
2
7
+VOU
T
2
6
-VOU
T
1
5
+VOU
T
1
4
F
IX
3
H
O
LE
_3
.2
MM
_6
C
8
10
U
F
25
V
R
3
0
R
M
1
4
F
IX
2
H
O
LE
_3
.2MM
_
6
D
1
YE
LL
O
W
H
S
M
Y
-C
17
0
M
13
C
4
100
N
F
R
4
330
R
C
3
N
P
C
120
6
F
1
0
.500
A
0466
.
500
N
R
F
IX
1
H
O
LE
_3
.2MM
_
6
PC/USB Domain
Isolated Domain
UM2342
Schematic diagram
UM2342 - Rev 1
page 44/57