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What is I.MX31L?

This electronic component, produced by the manufacturer "Freescale Semiconductor", performs the same function as "Multimedia Applications Processors".


I.MX31L Datasheet PDF - Freescale Semiconductor

Part Number I.MX31L
Description Multimedia Applications Processors
Manufacturers Freescale Semiconductor 
Logo Freescale Semiconductor Logo 


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Freescale Semiconductor
Product Brief
Document Number: MC1128MX31PB
Rev. 0.6, 06/2005
i.MX31 and i.MX31L
Multimedia Applications Processors
1 Introduction
The i.MX31 and i.MX31L multimedia applications
processors represent Freescale Semiconductor’s latest
achievement in multimedia integrated applications
processors that are part of a growing family of
multimedia-focused products offering high performance
processing optimized for lowest power consumption.
The i.MX31 and i.MX31L processors feature Freescale's
advanced and power-efficient implementation of the
ARM1136JF-S™ core, which operates at speeds starting
at 532 MHz.
Unless otherwise specified, the material in this product
brief is applicable to both the i.MX31 and i.MX31L
processors. Features include the following:
Smart Speed Technology—The heart of the
i.MX31 and i.MX31L processors is a level of
power management throughout the ICs that allow
the rich suite of multimedia features and
peripherals to achieve minimum system power
consumption in both active and various
low-power modes. Smart Speed Technology
Contents
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
© Freescale Semiconductor, Inc., 2005. All rights reserved.

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I.MX31L equivalent
The following techniques are used to reduce static power consumption:
• Active Well Bias (AWB)
• Power gating
• A variety of low-power modes
• Special techniques for fast wake-up times from low-power modes
The following techniques are used to reduce dynamic power consumption:
• Dynamic process and temperature compensation
• Automatic dynamic voltage frequency scaling
• Low-power clocking scheme
Features
2.3 External Memory Interface (EMI)
To allow the maximum number of potential designs, the External Memory Interface of the i.MX31 and
i.MX31L processors provide support for the following memory types:
• SRAM, NOR Flash and PSRAM—32/16-bit, Disk-On-Chip
• SDRAM, SyncFlash™, VSyncFlash™—133 MHz, 32/16-bit
• DDR—266 MHz, 32/16-bit
• NAND Flash and SmartMedia (dedicated 8-bit, shared 16-bit)
2.4 Smart Multimedia
Multimedia is one of the most important features for today’s mobile devices. The i.MX31 and i.MX31L
processors’ Smart Multimedia not only provide support, but more importantly, they provide multimedia
hardware acceleration for a wide variety of multimedia applications at performance levels that are the
equivalent of ARM11 processor performance of more than 3 GHz. The optimized hardware acceleration
enables some typical applications to operate without ARM CPU involvement—for example, the
viewfinder.
The i.MX31 and i.MX31L processors’ Smart Multimedia are able to do the following:
• Enable simultaneous MPEG4 Simple Profile (SP) video encoding and decoding.
• Support real-time video decode in any of the following advanced formats:
— MPEG4 Simple Profile (SP)
— H.264
— WMV (Windows Media™ Video)
— RV (RealVideo™)
— MPEG2
— DiVX
• Provide video and image data pre/post-processing (resizing, color conversion, filtering) that is fully
hardware accelerated.
i.MX31 and i.MX31L Multimedia Applications Processors Product Brief, Rev. 0.6
Freescale Semiconductor
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Featured Datasheets

Part NumberDescriptionMFRS
I.MX31The function is Multimedia Applications Processors. Freescale SemiconductorFreescale Semiconductor
I.MX31LThe function is Multimedia Applications Processors. Freescale SemiconductorFreescale Semiconductor

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