DocID024597 Rev 3 1651/1693
RM0351 Debug support (DBG)
1678
Figure 520. JTAG TAP connections
44.6 ID codes and locking mechanism
There are several ID codes inside the STM32L4x6 MCUs. ST strongly recommends tools
designers to lock their debuggers using the MCU DEVICE ID code located in the external
PPB memory map at address 0xE0042000.
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37$0
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