Figure 4. Stm32 Nucleo-144 Structure - STMicroelectronics STM32 Application Note

AN4989 STM32 ecosystem outlines
All STM32 Nucleo boards integrate an ST-LINK debugger/programmer, so there is no need
for a separate probe.
The figure below shows an example of STM32 Nucleo structure

Figure 4. STM32 Nucleo-144 structure

A complete description of the embedded ST-LINK features is provided in Section 2.1.2: ST-
LINK probe on page 16. Additional information and access to Nucleo boards complete
documentation sets are available at www.st.com.
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