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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

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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 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......

详细介绍

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：

CPU:i.MX27(Nickname: Bono), ARM926-EJS core, frequency 400MHz;
SDRAM: DDR 64MB, 16bit, 2 PCS（128M DDR/133MHz）;
Nａnd Flash:1 pcs 8bit Nａnd Flash,256MB,support 64MB/128MB/256MB;
UART: 3 UART ports;
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 Ports，can connector 54Mbps usb wifi）;

Ethernet:Fast Ethernet Controller：RTL8201 , MX27 Internal Integrate MAC inside,support 10M/100M Adaptable Ethernet Interface;
SD:one SD card host controller; maximum support 4Gbit;
LCD ports:support all kinds of TFT LCD ,RGB 565，maximum support 800x600 18bpp;
Audio:support external Wolfson WM9715 audio codec, line in/line out/mic in;
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);
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);
Keypad:support external IIC keypad controller;
Camera:Support external CMOS sensors and CCD video source.maximum support 4 Megapixel;
Other ports：20 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 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 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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