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Intel PXA27X manual Intel PXA27x Processor Internal and External Power Domains, Application Note

Models: PXA27X

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Intel® PXA27x Processor Family Power Requirements

Figure 1. Intel® PXA27x Processor Internal and External Power Domains

VCC_PLL VCC_CORE

C-PLLVCC_PLL prg. frq.

VCC OSC

	P-PLL
	312 M

PXTAL	VCC_OSC
PXTAL
13 M
TXTAL
32.768 k

DC-DC

V-Reg	Lin-Reg	L1

VCC_SRAM

VCC_CPU	CPU

VCC_PER

SRAM

Control

DMA/

Bridge

VCC_R3

Intr

Control

MEM

Control

VCC_

LCD

Control

VCC

USB-H

VCC USB

48.000 M

USB-C

48.000 M






		VCC_RTC
	CPM	VCC_RTC
	CPM
	32.768 k

REG
REG	RTC
VCC_	32.768 k






	PWR_I2C	VCC_PI


	13 M


	Timer


	13 M

SRAM

VCC_R2

SRAM

VCC_R1

SRAM

VCC_R0

SRAM

ICP

48.000 M

I2S

prg. frq.

MMC

19.500 M

48.000 M

USIM

48.000 M

VCC IO

VCC BB

VCC USIM

JTAG

KYBD

SSPs

TCK

32.768 k

13 M

VCC_BATT

PWMs 13 M

I2C

32.842 M

UARTs

14.857 M

(ext clk)

MSHC

19.500 M

VCC_IO

Application Note

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Intel PXA27X Intel PXA27x Processor Internal and External Power Domains, Intel PXA27x Processor Family Power Requirements

Contents

Application Note Intel PXA27x Processor Family Power RequirementsApplication Note Introduction ContentsIntel PXA27x Processor Family Power Requirements ContentsTables Intel PXA27x Processor Family Power RequirementsContents FiguresApplication Note 1.0 Introduction1.1 Naming Conventions Intel PXA27x Processor Family Power RequirementsApplication Note 2.0 Intel PXA27x Processor Power Supply DomainsTable 1. External Power Supply Descriptions Intel PXA27x Processor Family Power RequirementsIntel PXA27x Processor Family Power Requirements Figure 1. Intel PXA27x Processor Internal and External Power DomainsApplication Note Application Note 2.1 Power Domains and System Voltage/Current Requirements2.1.1 Intel PXA27x Processor Power Supplies Intel PXA27x Processor Family Power RequirementsVoltage Table 2. Intel PXA27x Processor Voltage Domains Sheet 1 ofIntel PXA27x Processor Family Power Requirements Application NoteApplication Note 2.1.2 Power Supply Configuration in a Minimal SystemTable 2. Intel PXA27x Processor Voltage Domains Sheet 2 of Intel PXA27x Processor Family Power RequirementsIntel PXA27x Processor Family Power Requirements 2.1.3 Modeling Intel PXA27x processor power consumptionTable 3. Regulators Required to Power the Intel PXA27x Processor 2.1.3.1 Intel PXA27x Processor VCCCORE Supply CurrentApplication Note 2.1.3.2 Supply Current For Each Power DomainTable 4. Intel PXA27x Processor VCCCORE Supply Current Intel PXA27x Processor Family Power RequirementsApplication Note 2.1.4 Default Reset ValuesTable 5. Intel PXA27x Processor Supply Current For Each Power Domain Intel PXA27x Processor Family Power RequirementsIntel PXA27x Processor Family Power Requirements 2.2.1 Main Battery2.2.2 Backup Battery 2.2 BatteriesApplication Note 2.2.3 Battery Chargers and Main PowerTable 6. Possible Backup Battery Configurations Intel PXA27x Processor Family Power RequirementsPXA27x Processor Figure 2. Typical Battery and External Regulator ConfigurationIntel PXA27x Processor Family Power Requirements Application NoteApplication Note 3.0 Intel PXA27x Processor Low Power Operating ModesTable 7. Intel PXA27x Processor Operating Modes Intel PXA27x Processor Family Power RequirementsApplication Note 4.0 Power Controller Interface SignalsFigure 3. Overview of Power Management Operating Modes Intel PXA27x Processor Family Power RequirementsTable 8. Power Controller Interface Signals 4.1 Power Enable PWREN4.2 System Power Enable SYSEN / GPIO2 4.3 Power Manager I2C Clock PWRSCL / GPIO34.5 System-Level Considerations for I2C 4.4 Power Manager I2C Data PWRSDA / GPIO44.6 On, Off, and RESET 4.6.2 User-Initiated Hard Reset InputIntel PXA27x Processor Family Power Requirements 4.8 Power Manager Capacitor Signals4.6.3 nRESET Output from PMIC to the Intel PXA27x Processor 4.7 Universal Subscriber Identity Module USIMIntel PXA27x Processor Family Power Requirements 5.0 Power Mode Sequencing5.1 Power-On 5.1.1 Cold-Start Power-On and Hardware ResetIntel 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 manager powered by VCCBATT Intel PXA27x Processor Family Power RequirementsPower = power manager powered by VCCCOREApplication Note 5.2 Sleep and Deep Sleep5.2.1 Sleep Entry and Exit Intel PXA27x Processor Family Power RequirementsIntel PXA27x Processor Family Power Requirements 5.2.2 Deep Sleep Entry and ExitApplication Note Application Note 6.0 Dynamic Voltage Management DVM6.1 VCCCORE Regulator and Dynamic Voltage Management Intel PXA27x Processor Family Power RequirementsIntel PXA27x Processor Family Power Requirements 6.2 Intel PXA27x Processor Voltage ManagerApplication Note 6.4 DVM Sequencing 7.0 Fault Management6.3 Power Manager I2C Interface 7.1 nVDDFAULTIntel PXA27x Processor Family Power Requirements 8.0 Power Management Integrated Circuit Requirements7.2 nBATTFAULT 8.1 General PMIC CharacteristicsApplication Note 8.2 Features of a PMICTable 9. General PMIC Characteristics Intel PXA27x Processor Family Power RequirementsIntel PXA27x Processor Family Power Requirements 8.3 Programmable Voltage Control8.3.1 DVM Control Register 8.3.2 DVM Control RegisterIntel PXA27x Processor Family Power Requirements 8.3.4 Other Aspects of an Integrated Power Controller9.0 Summary 8.3.3 DVM Control and Status RegisterApplication Note Intel PXA27x Processor Family Power Requirements