Electrical schematics
UM1956
32/35
UM1956 Rev 4
Figur
e 1
1. ST
-L
INK/V2-
1
33
STLINK/V2-1
MB1180
C.2
10/12/2015
Title:
Size:
Reference:
Date:
Sheet:
of
A4
Revision:
NUCLEO32
Project:
1
2
X2
NX3225GD
8MHz
EXS00A-CG04874
USB_DM
USB_DP
STM_RST
T_JTCK
T_JTCK
T_JTDO
T_JTDI
T_JTMS
STM_JTMS
STM_
JTCK
OSC_IN
OSC_OUT
T_
NRST
AIN_1
USB
ST-LINK
U5V
COM
PWR
Board
Ident:
PC13=0
T_JTCK
T_JTMS
SWCLK
SWDIO
T_SWD
IO
_
IN
LED_STLINK
LED_STLINK
TMS
TCK
TCK/SWCLK
TMS/SWDIO
MCO
MCO
T_JR
ST
NRST
T_NRST
S
T
L
INK_RX
SB3
SB2
S
T
L
K_RX
S
T
L
K_TX
STLINK_TX
USB_DM
USB_DP
T_S
W
O
SWO
T
_
SWO
Red
_Green
2
1
3
4
LD
1
L
D_BIC
O
L
OR_CMS
R1
1K5
R2
100K
R18
100
R19
100
R17
0
R5
100
R20
100
R13
10K[N/A]
R9
100K
R6
100K
R16
10K
R14
4K7
R12
4K7
C2
100nF
C5
100nF
C3
20pF[N/A]
C21
10pF
C20
10pF
C4
100nF
U5V
USB_RENUMn
USB
_RE
NUMn
R11
2K7
R10
4K7
+3V3_ST_LI
N
K
+3V3_ST_LI
N
K
+3V3_ST_LI
N
K
+3V3_ST_LI
N
K
+3V3_ST_LI
N
K
+3V3_ST_LI
N
K
+3V3_ST_LI
N
K
PWR_
EXT
+3V3_ST_LI
N
K
VO
D1
BAT60JF
IL
M
D2
BAT60JF
IL
M
C18
1uF_X5R_0603
C17
10nF_X7R_0603
C16
1uF_X5R_0603
5
1
2
GND
3
4
BYPASS
IN
H
V
in
Vout
U4
L
D3985M33R
C15
100nF
C19
100nF
+3V3_ST_LI
N
K
3
2
1
T1
9013
R4
10K
R3
36K
U5V
R8
100
+3V3_ST_LI
N
K
E5V
E5V
VBAT
1
PA7
17
PC13
2
PA12
33
PC14
3
PB0
18
PC15
4
JTMS/SWDIO
34
OSCIN
5
PB1
19
OSCOUT
6
VSS_2
35
NRST
7
PB2/BOOT1
20
VSSA
8
VDD_2
36
VDDA
9
PB10
21
PA0
10
JTC
K/S
WC
LK
37
PA1
11
PB11
22
PA2
12
PA15/JTDI
38
PA3
13
VSS_1
23
PA4
14
PB3/JTD
O
39
PA5
15
VDD_1
24
PA6
16
PB4/JNTR
ST
40
PB12
25
PB5
41
PB13
26
PB6
42
PB14
27
PB7
43
PB15
28
BOOT0
44
PA8
29
PB8
45
PA9
30
PB9
46
PA10
31
VSS_3
47
PA11
32
VDD_3
48
U5
STM32F103CBT6
U5V
Ilim
=
510mA
Isc=
1.2Ilim
to
1.5Ilim
=
612mA
to
765mA
R15
10K
U5V_ST_LI
NK
R7
2.7K
C6
4.7uF
C1
100nF
PWR_ENn
SB1
SWD
+3V3_ST_LI
N
K
1
2
3
4
5
CN2
[N/A]
STM_JTMS
STM_JTCK
SB9
IN
1
IN
2
ON
3
GND
4
SET
5
OUT
6
OUT
7
FAULT
8
U1
ST890CDR
VBUS
1
DM
2
DP
3
ID
4
GND
5
Shield
6
USB_Micro-B recep
tacl
e
Shield
7
Shield
8
Shield
9
EXP
10
EXP
11
CN1
1050170001
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