Hardware Layout And Configuration; Figure 3. Hardware Block Diagram - ST NUCLEO-WL55JC STM32WL User Manual

6

Hardware layout and configuration

The STM32WL Nucleo-64 board is designed around the STM32 microcontrollers in a 73-pin UFBGA package.
Figure 3 shows the connections between the STM32 and its peripherals (STLINK-V3E, push-buttons, LEDs, USB,
®
ARDUINO Uno and ST morpho headers).
STM32WL Nucleo-64 board. The mechanical dimensions of the board are shown in
Connectors
or jumpers
UM2592 - Rev 1
Figure 4
Figure 3. Hardware block diagram
RF switch/control
32 kHz
Crystal
GPIO
STM32WL55
32 MHz
Crystal or
TCXO
STLK_RST
B1 B2 B3
USER USER USER
button button button
and Figure 6 show the location of these features on the
SMA connector
PWR SEL
LED5 green LED
(5V_PWR)
and
RF matching
GPIO
SWD VCP
SWD VCP
Embedded
STLINK-V3E
LED6
(COM)
CN1 USB
B4
Micro-B
RESET
connector
button
UM2592
Hardware layout and configuration
Figure 7.
GND
5V
5V_PWR
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