Intel PXA27x Processor Family Power Requirements | Intel PXA27X

Intel® PXA27x Processor Family Power Requirements

36	Application Note

Image 36

Intel PXA27X manual Intel PXA27x Processor Family Power Requirements

Contents

Intel PXA27x Processor Family Power Requirements Application Note Application Note Contents Figures Introduction Naming Conventions Intel PXA27x Processor Power Supply Domains External Power Supply DescriptionsPower Domain Enable1 Units Specified Levels Tolerance Volts PLL PxtalSram DMA Power Domains and System Voltage/Current Requirements Intel PXA27x Processor Power Supplies Intel PXA27x Processor Voltage Domains Sheet 1 Voltage Description Power Supply Configuration in a Minimal System Intel PXA27x Processor Voltage Domains Sheet 2 Modeling Intel PXA27x processor power consumption Regulators Required to Power the Intel PXA27x ProcessorIntel PXA27x Processor Vcccore Supply Current Regulator Description Supply Current For Each Power Domain Frequency Dhrystones Power MPEG4 Decode Power StressIntel PXA27x Processor Vcccore Supply Current Default Reset Values Intel PXA27x Processor Supply Current For Each Power DomainName Functional Units Current mA @ Power Vccbatt Main Battery Backup BatteryBatteries Battery Chargers and Main Power Possible Backup Battery ConfigurationsBackup Battery Description Typical Battery and External Regulator Configuration Intel PXA27x Processor Low Power Operating Modes Intel PXA27x Processor Operating Modes Power Controller Interface Signals CPDIS=1CPDIS=0 Power Enable Pwren System Power Enable Sysen / GPIO2Power Manager I2C Clock Pwrscl / GPIO3 Power Controller Interface Signals Power Manager I2C Data Pwrsda / GPIO4 On, Off, and ResetUser-Initiated Hard Reset Input System-Level Considerations for I2C Power Manager Capacitor Signals NRESET Output from Pmic to the Intel PXA27x ProcessorUniversal Subscriber Identity Module Usim Power Mode Sequencing Power-OnCold-Start Power-On and Hardware Reset Initial Power Up and Deep Sleep Exit Sequence Vcccore Vccpll Vccsram Hardware Reset Behavior Intel PXA27x Processor Family Power Requirements Sysdel Pwrdel Sleep and Deep Sleep Sleep Entry and Exit Deep Sleep Entry and Exit Dynamic Voltage Management DVM Vcccore Regulator and Dynamic Voltage Management Intel PXA27x Processor Voltage Manager Fault Management Power Manager I2C InterfaceNVDDFAULT DVM Sequencing Power Management Integrated Circuit Requirements NBATTFAULTGeneral Pmic Characteristics Features of a Pmic General Pmic CharacteristicsCharacteristic Description Programmable Voltage Control DVM Control Register Other Aspects of an Integrated Power Controller SummaryDVM Control and Status Register Intel PXA27x Processor Family Power Requirements