Pll, Pxtal, Sram, Dma, Mem, Lcd, Usb-H, Usb-C, Cpm

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

Page 7

Image 7

Intel PXA27X Pll, Pxtal, Dma, Mem, Lcd, Usb-H, Usb-C, Cpm, Rtc, PWRI2C, Sram ICP, I2S, Mmc, Usim, Jtag Kybd, Tck, Mshc

Contents

Application Note Intel PXA27x Processor Family Power Requirements Application Note Contents Figures Naming Conventions Introduction External Power Supply Descriptions Intel PXA27x Processor Power Supply DomainsPower Domain Enable1 Units Specified Levels Tolerance Volts DMA PLLPxtal Sram Intel PXA27x Processor Power Supplies Power Domains and System Voltage/Current Requirements Voltage Description Intel PXA27x Processor Voltage Domains Sheet 1 Intel PXA27x Processor Voltage Domains Sheet 2 Power Supply Configuration in a Minimal System Regulator Description Modeling Intel PXA27x processor power consumptionRegulators Required to Power the Intel PXA27x Processor Intel PXA27x Processor Vcccore Supply Current Frequency Dhrystones Power MPEG4 Decode Power Stress Supply Current For Each Power DomainIntel PXA27x Processor Vcccore Supply Current Vccbatt Default Reset ValuesIntel PXA27x Processor Supply Current For Each Power Domain Name Functional Units Current mA @ Power Backup Battery Main BatteryBatteries Possible Backup Battery Configurations Battery Chargers and Main PowerBackup Battery Description Typical Battery and External Regulator Configuration Intel PXA27x Processor Operating Modes Intel PXA27x Processor Low Power Operating Modes CPDIS=1 Power Controller Interface SignalsCPDIS=0 Power Controller Interface Signals Power Enable PwrenSystem Power Enable Sysen / GPIO2 Power Manager I2C Clock Pwrscl / GPIO3 System-Level Considerations for I2C Power Manager I2C Data Pwrsda / GPIO4On, Off, and Reset User-Initiated Hard Reset Input NRESET Output from Pmic to the Intel PXA27x Processor Power Manager Capacitor SignalsUniversal Subscriber Identity Module Usim Power-On Power Mode SequencingCold-Start Power-On and Hardware Reset Vcccore Vccpll Vccsram Initial Power Up and Deep Sleep Exit Sequence Hardware Reset Behavior Intel PXA27x Processor Family Power Requirements Pwrdel Sysdel Sleep Entry and Exit Sleep and Deep Sleep Deep Sleep Entry and Exit Vcccore Regulator and Dynamic Voltage Management Dynamic Voltage Management DVM Intel PXA27x Processor Voltage Manager DVM Sequencing Fault ManagementPower Manager I2C Interface NVDDFAULT NBATTFAULT Power Management Integrated Circuit RequirementsGeneral Pmic Characteristics General Pmic Characteristics Features of a PmicCharacteristic Description DVM Control Register Programmable Voltage Control Summary Other Aspects of an Integrated Power ControllerDVM Control and Status Register Intel PXA27x Processor Family Power Requirements

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

P-PLL

PXTAL

SRAM

DMA/

MEM

LCD

USB-H

USB-C

CPM

RTC

PWR_I2C

SRAM

ICP

I2S

MMC

USIM

JTAG

KYBD

TCK

I2C

MSHC

Application Note