Introduction

The system flash security package (SFSP) is stored within the internal boot ROM memory (system memory) of STM32 devices.

SFSP is programmed by STMicroelectronics during production and provides various security services to STM32 users.

This document applies to the products listed in Table 1 below.

Table 1. Applicable products

Type Part number or product series

Microcontrollers STM32H5 series: STM32H573xx, STM32H563xx, STM32H503xx

In the following sections, STM32 refers to the products listed in Table 1 above, unless stated otherwise.

Introduction to SFSP versions for STM32H5 MCUs

This document applies to Arm-based devices.

Note: Arm and Cortex are registered trademarks of Arm Limited (or its subsidiaries) in the US and/or elsewhere.

1.1 Reference documents

Table 2. Reference documents

1.2 Glossary