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    Freescale i.MX27核心板 开发板 H.264视频硬件编解码VPU独立DSP

    • 型号IMX27
    • 品牌ElecKits
    • 价格

    详细描述NAND FLASH: 256MBLCD接口:可接RGB565 7寸TFT LCD, 分辨率800x480Ethernet: FEC 100MSD Card: 1个USB 高速接口: 2个, 其中1个可以接54Mbps usb wifi 802.11b/g, Audio:Mic in,Speaker out (需要底板扩展)串口: 2个RS232,1个Debug (需要

    1. 详细信息

    详细描述

    • NAND FLASH: 256MB

    • LCD接口:可接RGB565 7寸TFT LCD, 分辨率800x480

    • Ethernet: FEC 100M

    • SD Card: 1个

    • USB 高速接口: 2个, 其中1个可以接54Mbps usb wifi 802.11b/g, 

    • Audio:Mic in,Speaker out (需要底板扩展)

    • 串口: 2个RS232,1个Debug (需要底板扩展)

    • 摄像头接口:1个 支持CCD或CMOS

    • JTAG调试口:1个

    支持Linux 2.6.19 、Nand Boot

    INTRODUCTION

    i.MX27 Core Board Hardware

    1. CPU:i.MX27(Nickname: Bono), ARM926-EJS core, frequency 400MHz;

    2. SDRAM:MOBILE DDR 64MB, 16bit, 2 PCS128M DDR/133MHz;

    3. Nand Flash:1 pcs 8bit Nand Flash,256MB,support 64MB/128MB/256MB;

    4. UART: 3 UART ports;

    5. Two USB Ports:

    A)one USB OTG: USB 2.0 High Speed;

    B)one USB HOST: USB 2.0 Host Ports,High Speed High Speed Portscan connector 54Mbps usb wifi;

    1. Ethernet:Fast Ethernet ControllerRTL8201 , MX27 Internal Integrate MAC inside,support 10M/100M Adaptable Ethernet Interface; 

    2. SD:one SD card host controller; maximum support 4Gbit;

    3. LCD ports:support all kinds of TFT LCD ,RGB 565maximum support 800x600 18bpp;

    4. Audio:support external Wolfson WM9715 audio codec, line in/line out/mic in;

    5. H.264:MX27 Internal Integrate hardware Encoding/Decoding module,support D1 30 fps, H.264/AVC baseline profile encoding/decoding(H.264 full duplex,can do encoding and decoding at the same time);

    6. MPEG4:MX27 internal integrate hardware Encoding/Decoding module, VGA 30 fps, MPEG4 part-II simple profile encoding/decoding, H.263 P3 encoding/decoding(MPEG4 full duplex);

    7. Keypad:support external IIC keypad controller;

    8. Camera:Support external CMOS sensors and CCD video source.maximum support 4 Megapixel;

    9. Other ports20 Pin JTAG and Debug Port

    Software 

    Linux BSPLINUX Software FeaturesITEMNameFunctionBootLoader  NandbootUsed as NAND FLASH bootkernelLinux 2.6.19.2 DriversLCD DriverFrame buffer device driverAC97 Audio DriverWM9715 AC97 codec device driverTouch Screen DriverTouch screen device driverFEC driverFEC device driver ;USB OTG DriverUSB OTG device driverUSB Host DriverUSB host driverSerial DriverSerial DriverVPU DriverVPU Driver: Encoding support: H.264 D1@30fpsMPEG4 VGA@30fpsDecoding support: H.264 D1@30fpsMPEG4 VGA@30fpsSD DriverSD/MMC driverQT4.5        

    iMX27 CPU Description

    In response to the needs of design engineers tasked with pushing the performance envelope, packing in a lot of connectivity options and providing robust security in mobile device designs, Freescale presents the i.MX27 multimedia applications processor. Derived from the popular i.MX21 processor and based on the ARM926EJ-S™ core, the i.MX27 processor adds an h.264 D1 hardware codec for high-resolution video processing, an Ethernet 10/100 MAC, security, plug-and-play connectivity and more power management features. This rich feature set makes it an excellent choice for video- and voiceover- IP (V2IP) cordless and mobile phones, intelligent remote controls, point-of-sale terminals and many other wireless applications.

    Freescale i.MX27 CPU Complex

    • ARM926EJ-S 400 MHz core

    • 16 KB L1 I-Cache and D-Cache

    • 16-channel DMA

    • ETM real-time debug

    • Smart Speed switch

    Multimedia

    • MPEG-4 H.263/H.264 D1 HW Codec

    • Pre- and post-processing

    • High-speed CMOS sensor interface

    MX27 Connectivity

    • 10 and 100 Mbps Ethernet/IEEE802.3MAC

    • USB OTG high speed, host x 2

    • 3 x MMC/SD, Memory Stick-Pro

    • PCMCIA/CF

    • ATA-6 (HDD) interface

    • Audio MUX

    • IrDA, keypad, 1-wire

    • Configurable SPI x 3, SSI/I2S x 2, UART x 6

    • CPU: Freescale i.MX27, ARM926EJS, 400MHz

    • DDR: 128MB (64M*2,133MHz)

    • Power:5V DC in





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