Read-Modify-Write Flash

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This article describes how to use the Read-Modify_Write function of J-Link. This article assumes that there is already a basic knowledge about flash programming in general. The following example project will be shown for a Infineon XMC 4500 MCU but can be applied to any other MCU which gives the option to split up physical memory sectors into smaller logical ones.

Minimum requirements

In order to use the following example project the following minimum requirements have to be met:

  • J-Link software version V6.14a or later
  • J-Link Plus HW version V10.1 or later

Sample project

The following sample project is designed to be used with J-Link Plus and a Infineon XMC 4500 MCU.

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