Introduction

STM32WL3 is a very-low-power sub-1GHz system-on-chip radio, based on the 32-bit Arm

®

Cortex

®

-M0+ architecture core.

This application note contains the specifications of the STM32WL3 UART bootloader.

Table 1. Applicability

Reference Products

STM32WL3 STM32WL3x line

Guidelines for designing a UART bootloader protocol for STM32WL3 MCUs

Note: Arm is a registered trademark of Arm Limited (or its subsidiaries) in the US and/or elsewhere.

AN5920

General information