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Multimedia Applications Processors

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I.MX31 pdf
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
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
© Freescale Semiconductor, Inc., 2005. All rights reserved.

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I.MX31 pdf
enables the designer to deliver a feature-rich product that requires levels of power that are far less
than typical industry expectations.
Multimedia Powerhouse—The multimedia performances of the i.MX31 and i.MX31L processors
are each boosted by a multi-level cache system and further enhanced by an MPEG4 hardware
accelerator that provides MPEG4 SP encoding up to VGA resolution at 30 fps, as well as an
Autonomous Image Processing Unit, Vector Floating Point (VFP11) co-processor, and a
programmable DMA controller.
• Powerful Graphics Acceleration (not available in the i.MX31L)—3D graphics are the key to
mobile game designs. The i.MX31 processor delivers an integrated 3D Graphics Processing Unit
(GPU) that provides an incredible 0.8–0.9 MTri/sec (double textured, bi-linear, Gouraud shaded)
at about 100 Mpix/sec (effective).
Interface Flexibility—The i.MX31 and i.MX31L processors’ interface support connection to all
popular types of external memories—DDR, SDRAM, NAND Flash, NOR Flash, SRAM, and
MDOC. Designers seeking to provide products that deliver a rich multimedia experience will find
a full suite of on-chip peripherals: LCD controller and CMOS sensor interface, High Speed USB
On-The-Go, and two USB hosts, a multiple expansion card, and serial interfaces. There is even an
ATA hard disk controller in each processor. An important design goal of the i.MX31 and i.MX31L
processors is their rich and flexible connectivity support to ensure that any system configuration
can be developed quickly and at minimum material cost.
Increased Security—Because the need for advanced security for mobile devices continues to
increase, the i.MX31 and i.MX31L processors deliver hardware-enabled security features allowing
secure e-commerce, digital rights management (DRM), information encryption, secure boot, and
secure software downloads.
Regardless of whether you are designing a smart phone, PDA, gaming console, or other portable device,
the i.MX31 and i.MX31L processors provide your design with the power and flexibility necessary for
today’s competitive marketplace.
2 Features
Figure 1 on page 3 illustrates the functional modules of the i.MX31 and i.MX31L processors.
i.MX31 and i.MX31L Multimedia Applications Processors Product Brief, Rev. 0.6
2 Freescale Semiconductor

Part Number I.MX31
Description Multimedia Applications Processors
Maker Freescale Semiconductor - Freescale Semiconductor
Total Page 18 Pages
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