Contents

Introduction 1. Overview 2. Sleep Modes 2.1. Idle 2.2. Standby 2.3. Backup 2.3.1. Battery Backup Power Switch (BBPS) 2.4. Off 3. Performance Levels 3.1. Changing Performance Level 3.2. Voltage Regulator System 3.2.1. Main Voltage Regulator 3.2.2. Low Power Voltage Regulator 3.2.3. Voltage Scaling Control 4. Power Domains 4.1. Power Domain Partitioning 4.1.1. PDBACKUP 4.1.2. PDTOP 4.1.3. PD0, PD1, and PD2 4.2. Low Power Modules 5. SleepWalking with Power Domain Gating 6. Revision History 7. Legal Disclaimer