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X-CUBE-PCROP

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Proprietary code read-out protection (PCROP) software expansion for STM32Cube (AN4701, AN4758 and AN4968)

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The goal of this X-CUBE-PCROP firmware is to illustrate the practical usage of the PCROP protection feature on microcontrollers of the STM32F4, STM32F7 and STM32L4 Series.

The firmware is provided with two projects: Project 1, called STEP1-ST_Customer_level_n and Project 2 called, STEP2-ST_Customer_level_n+1.
STEP1-ST_Customer_level_n shows how an ST customer level n can generate execute-only IP-Code (using compiler options), place it in a preferred Flash sector, protect it using PCROP and generate the IP-Code related files, such as the header file and the symbols definition file to be provided to ST customer level n+1. This project includes two project configurations: PCROP-IP-Code-XO and PCROP-IP-Code.
In the PCROP-IP-Code-XO configuration the compiler is configured to generate execute-only IP-Code, avoiding any data read (avoiding literal pools and branch tables).
In the PCROP-IP-Code configuration no special compiler option is used, it is just for test purposes to show that avoiding data in code (such as literal pools and branch tables) is mandatory for PCROP-ed codes.
The second project, STEP2-ST_Customer_level_n+1, shows how an ST Customer level n+1 having a preprogrammed microcontroller of the STM32F4, STM32F7 or STM32L4 Series, with a PCROP-ed IP-Code, can create his own end-user application, using these protected IP-Code functions.
The application used is the FIR filter example provided in the CMSIS library. The example is provided with Keil^®MDK-ARM^™,IAR^™and SW4STM32 toolchains and can be easily ported to any other toolchain.
For more details on PCROP implementation in microcontrollers, refer to the corresponding application note: Proprietary code read-out protection on microcontrollers of the STM32F4 series (AN4701), Proprietary code read-out protection on microcontrollers STM32F72xxx and STM32F73xxx (AN4968) or Proprietary code read-out protection on microcontrollers of the STM32L4 series (AN4758).

主な特徴
- PCROP
- Read Protection
- Write Protection
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製品型番	概要	Software Version	サプライヤ	ダウンロード
X-CUBE-PCROP	Proprietary code read-out protection (PCROP) software expansion for STM32Cube (AN4701, AN4758 and AN4968)	3.0.0	ST	x Warning Please note, that cookies should be enabled for successful downloading the software. x ソフトウェア入手サーバへのリクエストに失敗しました。しばらくしてから再度お試しください my.st.comのアカウントをお持ちの場合は、ログイン後、認証手続きをせずにソフトウェアをダウンロードしていただけます。ログインを希望されない場合でも、お名前とメールアドレスを下のフォームに入力し、確定していただくだけで、ソフトウェアをダウンロードすることが可能です。これにより、STはお客様への継続的な情報提供が可能となり、本ソフトウェアの更新についてお知らせすることができます。さらにダウンロードを続ける場合、多くのソフトウェアについては、この手順をもう一度行う必要はありません。名: 姓: E-mail address: 有効なメールアドレスを入力してください I have read and understood the Sales Terms & Conditions, Terms of Use and Privacy Policy 手続きを進めるには規約をお読みになり、ご承諾ください ST (as data controller according to the Privacy Policy) will keep a record of my navigation history and use that information as well as the personal data that I have communicated to ST for marketing purposes relevant to my interests. 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BY INSTALLING COPYING, DOWNLOADING, ACCESSING OR OTHERWISE USING THIS SOFTWARE PACKAGE OR ANY PART THEREOF (AND THE RELATED DOCUMENTATION) FROM STMICROELECTRONICS INTERNATIONAL N.V, SWISS BRANCH AND/OR ITS AFFILIATED COMPANIES (STMICROELECTRONICS), THE RECIPIENT, ON BEHALF OF HIMSELF OR HERSELF, OR ON BEHALF OF ANY ENTITY BY WHICH SUCH RECIPIENT IS EMPLOYED AND/OR ENGAGED AGREES TO BE BOUND BY THIS SOFTWARE PACKAGE LICENSE AGREEMENT. Under STMicroelectronics’ intellectual property rights and subject to applicable licensing terms for any third-party software incorporated in this software package and applicable Open Source Terms (as defined here below), the redistribution, reproduction and use in source and binary forms of the software package or any part thereof, with or without modification, are permitted provided that the following conditions are met: Redistribution of source code (modified or not) must retain any copyright notice, this list of conditions and the following disclaimer. Redistributions in binary form, except as embedded into microcontroller or microprocessor device manufactured by or for STMicroelectronics or a software update for such device, must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. Neither the name of STMicroelectronics nor the names of other contributors to this software package may be used to endorse or promote products derived from this software package or part thereof without specific written permission. This software package or any part thereof, including modifications and/or derivative works of this software package, must be used and execute solely and exclusively on or in combination with a microcontroller or a microprocessor devices manufactured by or for STMicroelectronics. No use, reproduction or redistribution of this software package partially or totally may be done in any manner that would subject this software package to any Open Source Terms (as defined below). Some portion of the software package may contain software subject to Open Source Terms (as defined below) applicable for each such portion (“Open Source Software”), as further specified in the software package. 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製品スペック (1)

	Resource title		Latest update
PDF	DB2641 Proprietary code read-out protection (PCROP), software expansion for STM32Cube 3.0		04 Jan 2016	04 Jan 2016 DB2641 Proprietary code read-out protection (PCROP), software expansion for STM32Cube 3.0

アプリケーションノート (3)

	Resource title	Latest update
PDF	AN4968 Proprietary code read out protection (PCROP) on STM32F72xxx and STM32F73xxx microcontrollers 1.0	07 Sep 2017	07 Sep 2017 AN4968 Proprietary code read out protection (PCROP) on STM32F72xxx and STM32F73xxx microcontrollers 1.0
PDF	AN4758 Proprietary code read-out protection on STM32L4, STM32L4+ and STM32G4 Series microcontrollers 4.0	22 Oct 2019	22 Oct 2019 AN4758 Proprietary code read-out protection on STM32L4, STM32L4+ and STM32G4 Series microcontrollers 4.0
PDF	AN4701 Proprietary code read-out protection on microcontrollers of the STM32F4 Series 3.0	20 Oct 2015	20 Oct 2015 AN4701 Proprietary code read-out protection on microcontrollers of the STM32F4 Series 3.0

ユーザマニュアル (3)

	Resource title	Latest update
PDF	UM2312 Development checklist for STM32Cube Expansion Packages 3.0	10 Sep 2020	10 Sep 2020 UM2312 Development checklist for STM32Cube Expansion Packages 3.0
PDF	UM2285 Development guidelines for STM32Cube Expansion Packages 2.0	10 Sep 2020	10 Sep 2020 UM2285 Development guidelines for STM32Cube Expansion Packages 2.0
PDF	UM2388 Development guidelines for STM32Cube firmware Packs 1.0	29 Jul 2020	29 Jul 2020 UM2388 Development guidelines for STM32Cube firmware Packs 1.0

プレゼンテーション (2)

	Resource title		Latest update
PDF	STM32 and STM8 embedded software solutions 8.0		14 Apr 2020	14 Apr 2020 STM32 and STM8 embedded software solutions 8.0
PDF	STM32Cube ecosystem overview - Making STM32 development easier 1.2		11 Aug 2020	11 Aug 2020 STM32Cube ecosystem overview - Making STM32 development easier 1.2

パンフレット (2)

	Resource title		Latest update
PDF	STM32 Open Development Environment Brochure 16.10		11 Sep 2018	11 Sep 2018 STM32 Open Development Environment Brochure 16.10
PDF	Sensor & motion algorithm software pack for STM32Cube 1.0		29 Oct 2018	29 Oct 2018 Sensor & motion algorithm software pack for STM32Cube 1.0

ライセンス契約 (1)

	Resource title		Latest update
PDF	SLA0048 Mix Ultimate Liberty+OSS+3rd-party V1 - SOFTWARE LICENSE AGREEMENT 6.7		16 Sep 2020	16 Sep 2020 SLA0048 Mix Ultimate Liberty+OSS+3rd-party V1 - SOFTWARE LICENSE AGREEMENT 6.7

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