想做s3c6400平台

如果按照摩尔定律来讲,2410、9200这些芯片早该被淘汰了,不过如果真这样,我们这些工程师就累死了。这也是嵌入式和pc有区别的地方之一。从培训教学的角度看,随着这些资料的普及,也是时候升级换代了。

最近和朋友商讨如何选下一个平台的事宜。一个朋友对freescale的产品不放心,另一个朋友极力推荐ti的omap3530,也是火热的contex A8。不过想来想去,我还是觉得三星的似乎在国内更受热捧。价格也不高。

基本上就决定做一个基于S3C6400的板子。看了一下uboot和linux内核,基本上都已经支持了,所以移植起来还是很有信心的。Google一下现在的市场,也有一些厂家有了平台推出,不过价格都不菲。但是大多提供了wince的支持,而linux支持的少一些。我想,我们计划做的这个板子能够提供更多的软件资源,特别是android要移植好,估计很多人喜欢这东东。

Features

- ARM1176EJF-S CPU Core

  • TrustZone™, security extensions
  • S/W Driven Power Management
  • High speed Advanced Microprocessor Bus Architecture (AMBA)
  • Extensible interface (AXI) level two interfaces
    - 8-stage pipeline
    - 64-bit Cache interface
    - Virtually indexed and physically addressed caches
  • Vector Floating Point (VFP) coprocessor support
  • External coprocessor support


- Memory Subsystem

  • NOR/Strata Flash, ROM, SRAM, OneNAND™, DDR/mDDR and SDRAM/mSDRAM
  • NAND Flash boot load and data storage - Multimedia Acceleration
  • Camera Interface
    - Up to 4Mpixel for scaled or 16Mpixel for unscaled resolution
  • Multi Standard video CODEC (MSC)
    - Real-time video encoding & decoding of MPEG-4 / H.263 / H.264 and decoding of WMV9
  • JPEG CODEC
  • Rotator
  • TV(NTSD/PAL) Encoder with Image Enhancer
  • Video Post Processor


- Connectivity

  • IIS Bus Interface
  • PCM Audio Interface
  • AC97 Audio Interface
  • IIC Interface
  • HSI (High-speed synchronous serial interface)
  • MIPI Standard Draft Compliant
  • 4-ch UART
  • 188 Flexibly Configurable GPIO
  • USB OTG
    - Complies with USB OTG 2.0 (up to 480Mbps)
    - On-chip USB transceiver
  • HS-MMC/SDIO
  • 2-ch SPI Interface


- System Peripherals

  • Display Controller
    - Support dual i80 interface LCD
    - Up to 1024x1024 display resolution
    - 5-window layer for PIP or OSD
  • RTC
  • 3 on-chip PLLs
  • 4-ch Timer with PWM
  • 32-ch DMA
  • Keypad
  • Vectored Interrupt Controller
  • Watch Dog Timer
  • Power management : Slow, Idle, Stop, Sleep


- Operating Conditions

  • Supply Voltage for Logic Core : 1.0V +/- 0.1V
  • External Memory Interface : 1.8V
  • External I/O Interface : 1.8/2.5/3.3V
  • Operating Frequency : 533MHz @ 1.0 V


- Package

  • 424 Pin FBGA 14x14
Benefits
  • Optimum mobile solution with various multimedia accelerations
  • High performance but low power consumption
  • TrustZone™, security extensions
  • Full set of on-chip peripherals
  • Slim and small form factor with POP solution

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