ST NUCLEO-WB55RG STM32WB

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UM2819

ARDUINO® and MORPHO connectors

UM2819 - Rev 1

page 26/37

7.9.4 NUCLEO-WB55RG I/O assignment

The CN7 and CN10 ST morpho connectors are male pin headers accessible on both sides of the board. All

signals and power pins of the MCU are available on these ST morpho connectors. These connectors can also be

probed by an oscilloscope, logical analyzer, or voltmeter.

Figure 18. Pinout of ARDUINO

and ST MORPHO connectors

(*) Require modifying solder bridge

Main Page

Figure 1. NUCLEO-WB55RG Top View1
Features2
Ordering Information3
Codification3
Table 1. Ordering Information3
Table 2. Codification Explanation3
Development Environment4
System Requirements4
Development Toolchains4
Demonstration Software4
Conventions5
Table 3. ON/OFF Convention5
Safety Recommendations6
Targeted Audience6
Handling the Board6
Quick Start7
Getting Started7
Hardware Layout and Configuration8
Figure 2. Hardware Block Diagram8
Figure 3. NUCLEO-WB55RG PCB Top Side9
Figure 4. NUCLEO-WB55RG PCB with Details of the Main Part (Soc and RF)9
Figure 5. NUCLEO-WB55RG PCB Bottom Side10
Figure 6. NUCLEO-WB55RG Mechanical Dimensions (in Millimeters)11
Power Supply12
General Description12
To 12 V Power Supply12
Figure 7. NUCLEO-WB55RG Power Tree12
Power Supply13
Table 4. JP2 Power Supply Selector Description13
Current Measurement14
Figure 8. Current Measurement with an Ammeter14
Clock Sources15
HSE Clock Reference15
LSE Clock Reference15
Reset Sources15
Figure 9. Current Measurement with an External Power Supply15
Embedded ST-LINK/V2-116
Drivers16
ST-LINK/V2-1 Firmware Upgrade16
CN15 ST-LINK/V2-1 USB Connector16
Figure 10. USB Composite Device16
Virtual COM Port: USART117
Level Shifter17
Table 5. USB Micro-B Connector CN23 (Front View)17
Table 6. UART Interface Pinout Description17
Figure 11. Interconnection Bloc Diagram between STM32WB55RG and ST-LINK/V2-117
JP5 Multi-Function Jumper18
Table 7. Multi-Function Jumper Pinout Description18
Leds19
Figure 12. Leds Location19
Push-Buttons20
Description20
Reset Push-Button20
User Push-Buttons20
Figure 13. Push-Buttons Location20
RF I/O Stage21
Table 8. I/O Configuration for the Physical User Interface21
Figure 14. RF I/O Stage21
Embedded SMPS22
Figure 15. SMPS Part22
ARDUINO Connector23
Description23
Operating Voltage23
Figure 16. ARDUINO ® uno Connectors and ARDUINO ® Shield Location23
ARDUINO ® Interface and Pinout24
Figure 17. ARDUINO ® Connector Location and Pinout24
Table 9. ARDUINO ® Connector Pinout25
NUCLEO-WB55RG I/O Assignment26
Figure 18. Pinout of ARDUINO ® and ST Morpho Connectors26
Table 10. ST Morpho Connectors Pinout27
NUCLEO-WB55RG Board Information28
Product Marking28
NUCLEO-WB55RG Product History28
Product Identification NUWB55RG$GU128
Board Revision History28
Board MB1355 Revision C0128
Federal Communication Commission (FCC)29
Innovation, Science and Economic Development Canada (ISED) Compliance Statements30
RED Compliance Statement31
Revision History32
Table 11. Document Revision History32
Table of Contents33
List of Tables35
List of Figures36

Table of Contents

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