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I.MX31 Dataheets PDF



Part Number I.MX31
Manufacturers Freescale Semiconductor
Logo Freescale Semiconductor
Description Multimedia Applications Processors
Datasheet I.MX31 DatasheetI.MX31 Datasheet (PDF)

Freescale Semiconductor Product Brief Document Number: MC1128MX31PB Rev. 0.6, 06/2005 i.MX31 and i.MX31L Multimedia Applications Processors 1 Introduction Contents 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 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 f.

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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 Contents 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 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 © Freescale Semiconductor, Inc., 2005. All rights reserved. Features • • • • 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 Features Connectivity Internal 3 x CSPI 2 x SSI/I2S 3 x I2C AUDMUX External 5 x UART USB OTG HS 2 x USB Host 1-Wire Fast IrDA Special Functions Security HW Memory Interface SDRAM/DDR NANDF Ctl PSRAM SmartMedia Std System I/O eDMA 3 x Timers PWM WD Timer RTC GPIO RAM, ROM I-Cache D-Cache ROM Patch L2-Cache ETM CPU Complex ARM1136TM CPU Smart Speed Switch (MAX) System Control JTAG, ETM Bootstrap System Reset PLL & Power Mgmt Vector Floating Processor Multimedia & Human Interface Graphics Accelerator* MPEG-4 Encoder Keypad Image Processing Unit Inversion and Rotation Camera I/F Blending Display/TV Ctl Pre & Post Processing Expansion 2 x MMC/SD PCMCIA/CF 2 x Memory Stick - Pro SIM ATA * Not available in i.MX31L Figure 1. i.MX31 and i.MX31L Functional Block Diagram 2.1 ARM11™ Platform The ARM11™ platform consists of the ARM1136JF-S processor, a level 2 (L2) cache system, 6 × 5 multi-layer AHB 2.v6 Smart Speed Crossbar Switch (MAX), L2 memory system, and an ARM11 vectored interrupt controller (AVIC). In addition, the ARM11 platform contains the Embedded Trace Kit™ (ETK) from ARM Ltd. These modules consist of the Embedded Trace Macrocell™ (ETM™), the Embedded Trace Buffer™ (ETB™), and the Cross Trigger Interface (CTI) module. i.MX31 and i.MX31L Multimedia Applications Processors Product Brief, Rev. 0.6 Freescale Semiconductor 3 Features 2.1.1 ARM1136JF-S Platf.


D780226GF I.MX31 I.MX31L


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