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Intel PXA27X manual Intel PXA27x Processor Family Power Requirements, Application Note

Models: PXA27X

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Intel® PXA27x Processor Family Power Requirements

Application Note

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Intel PXA27X manual Intel PXA27x Processor Family Power Requirements, Application Note

Contents

Application Note Intel PXA27x Processor Family Power RequirementsApplication Note Intel PXA27x Processor Family Power Requirements ContentsContents IntroductionContents Intel PXA27x Processor Family Power RequirementsFigures Tables1.1 Naming Conventions 1.0 IntroductionIntel PXA27x Processor Family Power Requirements Application NoteTable 1. External Power Supply Descriptions 2.0 Intel PXA27x Processor Power Supply DomainsIntel PXA27x Processor Family Power Requirements Application NoteIntel PXA27x Processor Family Power Requirements Figure 1. Intel PXA27x Processor Internal and External Power DomainsApplication Note 2.1.1 Intel PXA27x Processor Power Supplies 2.1 Power Domains and System Voltage/Current RequirementsIntel PXA27x Processor Family Power Requirements Application NoteIntel PXA27x Processor Family Power Requirements Table 2. Intel PXA27x Processor Voltage Domains Sheet 1 ofApplication Note VoltageTable 2. Intel PXA27x Processor Voltage Domains Sheet 2 of 2.1.2 Power Supply Configuration in a Minimal SystemIntel PXA27x Processor Family Power Requirements Application NoteTable 3. Regulators Required to Power the Intel PXA27x Processor 2.1.3 Modeling Intel PXA27x processor power consumption2.1.3.1 Intel PXA27x Processor VCCCORE Supply Current Intel PXA27x Processor Family Power RequirementsTable 4. Intel PXA27x Processor VCCCORE Supply Current 2.1.3.2 Supply Current For Each Power DomainIntel PXA27x Processor Family Power Requirements Application NoteTable 5. Intel PXA27x Processor Supply Current For Each Power Domain 2.1.4 Default Reset ValuesIntel PXA27x Processor Family Power Requirements Application Note2.2.2 Backup Battery 2.2.1 Main Battery2.2 Batteries Intel PXA27x Processor Family Power RequirementsTable 6. Possible Backup Battery Configurations 2.2.3 Battery Chargers and Main PowerIntel PXA27x Processor Family Power Requirements Application NoteIntel PXA27x Processor Family Power Requirements Figure 2. Typical Battery and External Regulator ConfigurationApplication Note PXA27x ProcessorTable 7. Intel PXA27x Processor Operating Modes 3.0 Intel PXA27x Processor Low Power Operating ModesIntel PXA27x Processor Family Power Requirements Application NoteFigure 3. Overview of Power Management Operating Modes 4.0 Power Controller Interface SignalsIntel PXA27x Processor Family Power Requirements Application Note4.2 System Power Enable SYSEN / GPIO2 4.1 Power Enable PWREN4.3 Power Manager I2C Clock PWRSCL / GPIO3 Table 8. Power Controller Interface Signals4.6 On, Off, and RESET 4.4 Power Manager I2C Data PWRSDA / GPIO44.6.2 User-Initiated Hard Reset Input 4.5 System-Level Considerations for I2C4.6.3 nRESET Output from PMIC to the Intel PXA27x Processor 4.8 Power Manager Capacitor Signals4.7 Universal Subscriber Identity Module USIM Intel PXA27x Processor Family Power Requirements5.1 Power-On 5.0 Power Mode Sequencing5.1.1 Cold-Start Power-On and Hardware Reset Intel PXA27x Processor Family Power RequirementsIntel PXA27x Processor Family Power Requirements 5.1.2 Initial Power Up and Deep Sleep Exit SequenceApplication Note Intel PXA27x Processor Family Power Requirements 5.1.3 Hardware Reset BehaviorApplication Note 1. The PMIC asserts nRESET Intel PXA27x Processor Family Power RequirementsApplication Note Power Intel PXA27x Processor Family Power Requirements= power manager powered by VCCCORE = power manager powered by VCCBATT5.2.1 Sleep Entry and Exit 5.2 Sleep and Deep SleepIntel PXA27x Processor Family Power Requirements Application NoteIntel PXA27x Processor Family Power Requirements 5.2.2 Deep Sleep Entry and ExitApplication Note 6.1 VCCCORE Regulator and Dynamic Voltage Management 6.0 Dynamic Voltage Management DVMIntel PXA27x Processor Family Power Requirements Application NoteIntel PXA27x Processor Family Power Requirements 6.2 Intel PXA27x Processor Voltage ManagerApplication Note 6.3 Power Manager I2C Interface 7.0 Fault Management7.1 nVDDFAULT 6.4 DVM Sequencing7.2 nBATTFAULT 8.0 Power Management Integrated Circuit Requirements8.1 General PMIC Characteristics Intel PXA27x Processor Family Power RequirementsTable 9. General PMIC Characteristics 8.2 Features of a PMICIntel PXA27x Processor Family Power Requirements Application Note8.3.1 DVM Control Register 8.3 Programmable Voltage Control8.3.2 DVM Control Register Intel PXA27x Processor Family Power Requirements9.0 Summary 8.3.4 Other Aspects of an Integrated Power Controller8.3.3 DVM Control and Status Register Intel PXA27x Processor Family Power RequirementsApplication Note Intel PXA27x Processor Family Power Requirements