AT13382: Migrating from SAM L21 variant A to variant B

Introduction

1 Changes from SAM L21A to SAM L21B

1.1 Non-Volatile Memory Controller (NVMCTRL)

1.2 Supply Controller (SUPC)

1.3 Power Manager (PM)

1.4 External 32kHz Crystal Oscillator (XOSC32K)

1.5 RTC

1.6 High-speed Bus Matrix (HMATRIX)

2 Pinout Changes

Legal Disclaimer

3 Revision History

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