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The ST STM32WL5/WLE devices are ultra-low-power long-range wireless MCUs.

  • The STM32WL5 are dual core devices with a Cortex-M4 as main core and an additional Cortex-M0.
  • The STM32WLE are single core Cortex-M4 devices.

A list of ST STM32WL devices supported by J-Link can be found on the SEGGER homepage.

Internal Flash

Supported Regions

The internal flash is divided into 3 different regions:

  • Main memory (0x08000000 - 0x0803FFFF)
  • System memory (0x1FFF0000 - 0x1FFF6FFF)
  • OTP area (0x1FFF7000 - 0x1FFF73FF)
  • Option Bytes (0x1FFF7800 - 0x1FFF7FFF)

For now, the J-Link supports the main memory, only.

Evaluation Boards

Example Application