AN1377: EFR32xG21 Revision B to Revision C+ Compatibility and Migration Guide

2023-09-26
●This porting guide is for users migrating an existing EFR32BG21 or EFR32MG21 design from revision B to revision C+, hereafter respectively referred to as EFR32xG21-B and EFR32xG21-C+. Migration entails both hardware and software considerations.
●KEY POINTS
■The EFR32xG21-C+ maintains a high degree of pin and feature compatibility with the EFR32xG21-B.
■Migrating designs from EFR32xG21-B to EFR32xG21-C+ requires no hardware changes and minimal software changes.
■Data sheets for each device detail specific perforEFR32MG21mance metrics, which may differ between EFR32xG21-B and EFR32xG21- C+.

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EFR32BG21EFR32MG21EFR32xG21-BEFR32xG21-C+EFR32xG21-CEFR32xG21-DEFR32MR21-C

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July, 2023

Rev. 0.2

AN1377

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