Schematics
UM1668
50/70
DocID025151 Rev 2
Figure 31. USB OTG HS
STMicroelectronics
Title:
Number:
Rev:
Sheet
of
B.2(PCB.SCH)
Date:
7/24/2013
U
L
P
I_D[0..7]
ULP
I_CK
ULP
I_
D
0
ULP
I_
D
1
ULP
I_
D
2
ULP
I_
D
3
ULP
I_DIR
U
L
P
I_NXT
U
L
P
I_STP
C137
4.7uF
+5V
R125
3K3
1
2
LD
6
Red
R296
620
C38
4.7uF
R101
12K[1%]
VBUS
1
DM
2
DP
3
ID
4
GND
5
Shield
6
USB_
Mic
ro
-AB
receptacle
Shield
7
Shield
8
Shield
9
EXP
10
CN9
475900001
VBUS_HS
PA3
PB0
PB1
PB10
GND
1
GND
2
CPEN
3
VBUS
4
ID
5
VDD3.3
6
DP
7
DM
8
RESET
9
EXTVBUS
10
NXT
11
DIR
12
STP
13
CLK
O
U
T
14
VDD1.8
15
VDD3.3
16
D7
17
D6
18
D5
19
D4
20
D3
21
D2
22
D1
23
D0
24
VDD3.3
25
VDD1.8
26
XO
27
XI
28
VDDA1.8
29
VDD3.3
30
REG_EN
31
RBIA
S
32
GNDPAD
33
U7
USB3300-E
Z
K
C49
4.7uF
C41
33pF
X5
24MHz
R89
1M
C40
33pF
U
L
P
I_D[0..7]
PB11
PB12
PB13
PB5
ULP
I_
D
4
ULP
I_
D
5
ULP
I_
D
6
ULP
I_
D
7
L2
EXC-3BP121H[BEAD]
L1
EXC-3BP121H[BEAD]
R96
10K
R105
820
R98
330
1
2
LD
5
Green
R87
47K
R82
[N/A]
MB1045
8
1
6
STM324x9I-EVAL
USB_OTG_HS
C45
100nF
C36
100nF
C46
100nF
C37
100nF
RESET#
PH4
PI11
PC0
PA5
3
2
1
T4
9013
+3V3
A1
A2
B1
B2
D4
USBULC6-2
F
3
A1
A2
B1
B2
D3
ESDA14V2-2
B
F
3
+3V3
+3V3
GND
2
IN
5
EN
4
OUT
1
F
AULT
3
U6
STMPS2151STR
USB_FS2_DM
USB_FS2_DP
VBUS
1
DM
2
DP
3
ID
4
GND
5
Shield
6
USB_
Mic
ro
-AB
receptacle
Shield
7
Shield
8
Shield
9
EXP
10
CN15
475900001
PB13
PB12
PB14
PB15
R302
22
R300
22
Dz
A2
ID
A3
Pd
1
B1
Pu
p
B2
Vbus
B3
D+in
C1
Pd
2
C2
D+out
C3
D-in
D1
GND
D2
D-out
D3
D6
EMIF
02-USB03F2
R135
330
1
2
LD
9
Green
3
2
1
T1
9013
+3V3
R138
[N/A]
R97
0
R95
[N/A]
OTG_FS2_PowerSwitchOn
OTG_FS2_OverCurrent
R124
0
R112
0
R108
0
USB_FS2_ID
R83
[N/A]
R81
0
To
IO
expandor
F
rom
IO
expandor
EXP_IO8
EXP_IO9
C141
100nF
C139
100nF
C142
100nF
C138
100nF
C43
100nF
C44
100nF
R126
33
R137
47K
R102
0
R104
0
VBUS_FS2
R259
4K7
R122
4
K
7[N/A]
R123
1
K
[N/A]
+3V3
3
2
1
T7
9012[N/A]
Soldered
if
reset
is
controlled
by
hardware
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