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ST P-NUCLEO-WB55 User Manual
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UM2435
Hardware layout and conf
iguration
UM2435 Rev 2
17/48
Figure 9. Nucleo-68 board sc
hematics - Power management
56
Power Manage
ment
Title:
Size:
Reference:
Sheet:
of
A4
Revision
:
Project:
NU
CLEO-WB55.Nucle
o
MB1355
C
01-RC1
12-Jun-201
7
[No Varia
tions]
Date:
-
Variant:
VIN
3V3
5V
VDD
C23
4.7uF
C29
4.7uF
VDD
VDD_MCU
VDD_MCU
VDD_MCU
VDD_MCU
C20
100nF
C17
100nF
C19
100nF
C18
100nF
C28
100nF
C31
100nF
C32
100nF
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
SB31
Open
0805
GND
GND
GND
GND
GND
GND
GND
GND
SB32
Close
VBAT
VDD_MCU
SB26
Close
SB29
Open
Open when SMPS=ON
Close w
hen SMPS=OFF
Close when VBAT
connected to VDD_MCU
Close when Board supplied by Li Battery
Open when Board supplied by Li Battery
5V_USB_ST
LINK
5V_USB_MC
U
5V_EXT
3V3_STLINK
PWR_ENn
2
4
6
8
1
3
5
7
JP1
HEADER_2X4
SB25
Open
Supply
Sources
(Warning:
1
2
JP2
HEADER_1X2
1
2
JP3
HEADER_1X2
3V3 LDO dedicated to ST_Link
FW configuration needed)
MCU Supply domain
SMPS domain
Commun Supply Parts
VDD
SB34
Close
SB33
Open
3V3
VBAT
SB30
Open
SB35
Close
1
2
Not Fitted
CN4
HEADER_1X2
GND
SB27
Open
SB28
Open
SB24
Open
1
2
CN11
1
2
CN12
GND
GND
GND
GND
C24
100nF
GND
C8
100nF/25V
GND
C12
100nF
GND
C14
100nF
GND
C16
100nF
C15
1uF/X5R
R10
1K
C13
1uF
/X5R
C21
1uF
/X5R
C22
1uF
/X5R
C25
100nF
C26
100nF
C27
100nF
GND
GND
GND
GND
GND
GND
L2
FCM1608K
F-601T03
R11
10K
R12
1K
LED4
LED RED
LED5
LED
RED
Vin
3
Vout
2
Gnd
1
U2
LD1117S50TR
4
6
2
GND
1
3
PG
EN
VIN
VOUT
7
U3
LD39050PU33R
GND
Arduino
Morpho
Ground for Probing
5V_USB_ST
LINK
+
1
-
2
Sock
et
CR2032
SK_BT1
CR2032-SCK1B
CR2032
BT1
CR2032-BAT1
JP1(7-8)
JMP1
Jumper 2.54mm
JP2(1-2
)
JMP2
Jumper 2.54mm
JP3(1-2)
JMP3
Jumper 2.54mm
5
1
2
GND
3
4
BYPA
SS
INH
VIN
VOUT
U5
LD3985M33R
C10
10uF
/25
V
C11
4.7uF/10V
C9
10uF/25V
AVDD
SB49
Open
SB50
Close
SB51
Open
VDD
VDD_MCU
V
D
D
SMPS
44
V
SSSMPS
42
V
L
X
SMPS
43
V
FBSMPS
41
V
D
D
S
MP
S
V
S
SSMP
S
V
L
X
S
MP
S
V
F
BSMPS
U1B
STM32WBxx_QFN6
8
VREF+
13
VDDA
14
VDD
30
VDD
45
VDDUSB
55
VBAT
1
VDD
68
VSS
(ExPAD)
69
U1D
STM32WBxx_QFN6
8
1
2
JP6
JP6(1-2)
JMP12
Jumper 2.54mm
5V_INT
L1
10uH
TAB1
TAB_CR2032
GND
2
IN
5
EN
4
OUT
1
FAULT
3
U4
STMPS2141STR
GND
16
18
Table of Contents
Default Chapter
2
Table of Contents
2
Features
6
Figure 1. Nucleo-68 and USB Dongle Boards (Top View on the Left, Bottom View on the Right)
7
Product Marking
8
System Requirements
8
Development Toolchains
8
Demonstration Software
8
Ordering Information
9
Table 1. Ordering Information
9
Table 2. Example of Codification
9
Hardware Layout and Configuration
10
Nucleo-68 Board
10
Figure 2. Nucleo-68 Hardware Block Diagram
10
Figure 3. Nucleo-68 Board (Top View)
11
Figure 4. Nucleo-68 Board (Bottom View)
12
Figure 5. Nucleo-68 Board Mechanical Drawing
13
Figure 6. Nucleo-68 Board Schematics
14
Figure 7. Nucleo-68 Board Schematics - RF Part
15
Figure 8. Nucleo-68 Board Schematics - Connectors
16
Figure 9. Nucleo-68 Board Schematics - Power Management
17
Figure 10. Nucleo-68 Board Schematics - ST-Link/V2-1
18
USB Dongle
19
Figure 11. USB Dongle Hardware Block Diagram
19
Figure 12. USB Dongle Board (Top View)
20
Figure 13. USB Dongle Board (Bottom View)
20
Figure 14. USB Dongle Mechanical Drawing
21
Figure 15. USB Dongle Schematics
22
Getting Started
23
Conventions
23
Quick Start
23
Default Boards Configuration
23
Table 3. Jumper and SB ON/OFF Conventions
23
Table 4. Default Jumper Configuration
24
Embedded ST-LINK/V2-1
25
Drivers
25
Figure 16. USB Composite Device
25
ST-LINK/V2-1 Firmware Upgrade
26
Figure 17. ST-LINK Debugger: JP1 Configuration for On-Board MCU
26
Power Supply and Selection
27
External Power Supply Input
27
Table 5. Power Sources
27
Figure 18. JP1[7-8]: 5V_STL Power Source
28
Figure 19. JP1[3-4]: 5V_VIN Power Source
29
Figure 20. JP1[5-6]: 5V_USB_MCU Power Source
30
External Power Supply Output
31
Internal Power Supply
31
Programing/Debugging When the Power Supply Is Not from USB ST-LINK (5V_St_Link)
31
Table 6. SB25 Bypass USB PWR Protection
31
OSC Clock Sources
32
LSE: OSC 32 Khz Clock Supply
32
OSC Clock Supply
32
Reset Sources
33
Virtual COM Port: LPUART/USART
33
Table 7. LPUART1 and USART1 Connections
33
Leds
34
Push Buttons
34
Current Measurement
34
Jumper Configuration
35
Table 8. Configuration of Jumpers and Solder Bridges
35
Connectors
36
USB ST-LINK Micro-B Connector CN15
36
Table 9. USB STLINK Micro-B Pinout (Connector CN15)
36
Figure 21. USB STLINK Micro-B Connector CN15 (Front View)
36
Arduino™ uno Revision 3 Connectors
37
Figure 22. Arduino™ Connector
37
Table 10. Arduino™ Connectors Pinout
38
Figure 23. Arduino™ Connector Pinout
38
ST Morpho Connectors CN7 and CN10
40
Figure 24. ST-Morpho Connector Pinout
40
Extension Connectors CN1 and CN2 on USB Dongle
41
Figure 25. Extension Connectors Pinout
41
Appendix A Nucleo-68 and USB Dongle MCU IO Assignment
42
Table 11. IO Assignment
42
Federal Communications Commission (FCC) and Industry Canada (IC) Compliance Statements
45
FCC Compliance Statement
45
IC Compliance Statement
45
Revision History
47
Table 12. Document Revision History
47
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ST P-NUCLEO-WB55 Specifications
General
Brand
ST
Model
P-NUCLEO-WB55
Category
Microcontrollers
Language
English
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