6.2 Mechanical drawing
Figure 7. STM32WL Nucleo 73 board mechanical drawing (in millimeter)
6.3 Embedded STLINK-V3E
There are two different ways to program and debug the onboard STM32 MCU:
• Using the embedded STLINK-V3E
• Using an external debug tool connected to the CN16 MIPI10 connector.
The STLINK-V3E programming and debugging tool is integrated into the STM32WL Nucleo-64 board.
The embedded STLINK-V3E supports only SWD and VCP for STM32 devices. For information about debugging
and programming features of STLINK-V3, refer to the user manual STLINK-V3SET debugger/programmer for
STM8 and STM32 (UM2448), which describes in detail all the STLINK-V3 features.
Features supported on STLINK-V3E:
• 5V power supplied by CN1 USB connector
• USB 2.0 high-speed-compatible interface
• SWD JTAG/serial wire debugging specific features:
– 3 V to 3.6 V application voltage on the JTAG/SWD interface and 5 V tolerant inputs
– JTAG
– Serial viewer communication
UM2592
Mechanical drawing
UM2592 - Rev 1
page 12/49
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