2017年6月21日 (三) 09:09的版本

正面视图(top view)

CPU简介(CPU introduction)

　　i.MX28系列多媒体应用处理器是飞思卡尔ARM9产品系列的最新成员。i.MX28系列在基于ARM9的器件中集成了无与伦比的显示、电源管理和连接特性，降低了成本敏感型应用的系统成本和复杂性。
i.MX28 series of multi-media application processor is the latest member of Freescale ARM9 series of items.i.MX28 series of items combine unique display,power management and connection speciaty based on ARM9,reduce the cost and complexity of system for the application sensitive to the budget.
　　易于使用的工具和软件帮助您以更短的时间设计出与众不同的工业控制和消费电子产品。i.MX28具有优化的性能和功耗，非常适合无风扇系统或由电池供电的便携式设备。它提供多种连接功能供您选择，其中包括带L2交换功能的双10/100以太网(支持IEEE? 1588)，可满足工业应用的特定需求。另外，CAN、USB和以太网连接功能，完全符合AECQ100汽车行业要求。 tool and software easily used will facilitate you designing unique products in terms of industrial contol and consumer electronics in a shorter period of time, i.MX28 features optimized function and power consumtion,which is very suitable to be used in the systems without fans and portable devices powered by battery. It provide multiple options for connection functions,including dual 10/100 ethernet(support IEEE?1588) based on L2 exchange function.which can meet the special demands in industrial application,moreover,its connection functions of CAN,USB and ethernet can completely meet the demands in automotive industry.
i.MX28关注总体系统成本，集成了物理USB接口(PHY)、10/100 以太网、电源管理和电阻式触摸屏显示控制器。通过这些特性，i.MX28为汽车级产品提供了经济高效的解决方案，例如可以实现公路收费站监控器、CAN网关、汽车音响配件(USB或SD卡适配器)和触摸屏控制的车载收音机。带有触摸屏功能的LCD控制器使设计人员能够设计出许多应用需要的具有创意性的、直观的用户界面。
i.MX28 care about the overall cost of system, it combines physical USB interface(PHY),10/100 ethernet,power management and displayed controller in resistance touch screen,so it can provide economic and highly effective solutions for products in automative grade.e.g it can used for monitor in highway toll station,,CAN gateway,accessory of automotive audio)USB or SD card adaptor) and car radio controled by touch screen.designer can lay out many creative and visual user interfaces through LCD controller with touch screen.

CPU特性(CPU characteristic)

• 带有 16KB/32KB 缓存的 454MHz ARM926EJ-S内核
  

454MHz ARM926EJ-S kernel with 16KB/32KB cache

• PMU 带有高效片上DC/DC，支持锂离子电池
  

PMU carry highly effective on-chip DC/DC, support li-ion battery

• 10/100 双l IEEE? 1588 以太网，提供RMII 支持和 L2 交换功能
  

dual 10/100 l IEEE? 1588 ethernet，provide support for RMII and L2 exchange function

• 双CAN接口
  

dual CAN interface

• 带触摸屏的 LCD 控制器
  

LCD controller with toch screen

• NAND 支持 – SLC/MLC 和 eMMC 4.4 可管理
  

NAND support – SLC/MLC and eMMC 4.4 managable

• 硬件 BCH (高达 20 位校正 )
  

hardware BCH (up to 20 bit correction )

• 200 MHz 16 位 DDR2, LV-DDR2, mDDR 外部存储器支持
  

200 MHz 16 位 DDR2, LV-DDR2, mDDR supported by external storage

• 带有嵌入式 PHY 的高速双 USB
  

carry emded PHY dual high speed USB

• 8 个通用 12 位 ADC 通道和单个 2 Msps ADC通道
  

8 universila 12 bit ADC channel and one 2 Msps ADC channel

• 带温度传感器，提供热保护
  

with temperature sensor, to provide thermalprotection

• 多种连接端口 (UARTs, SSP, SDIO, SPI, I2C, I2S)
  

a few kinds of connection interface

• 3.3V I/O，10 年使用寿命 (工业控制)
  

3.3V I/O，10 years of service life (industrial control)

• 封装和温度
  

package and temperature

• • 289 BGA 14x14mm .8mm
    
  • -40C 至 +85C (工业控制)
    

-40C to +85C (indutrial control)

• 本产品包含在飞思卡尔产品长期供货计划中，自推出后至少保证15 年供货
  

these items are included in long term supply by Freescale,who graurantee at least 15 years' supply from the day one of marketing.

　　核心板采用邮票孔，保证高速信号的稳定可靠，保证良好的连接性能，能够抵抗剧烈的震动，完全能够满足工业，汽车等恶劣环境的剧烈震动测试。
core board adopt stample hole to gaurantee stability and credability of high speed signal and ensure a nice connectivity,which can withstand violent shock and can competely meet the test of violent shock in harsh environment for industry and automobile.

核心板配置(confiruation of core board)

操作系统支持(operating system support)

Linux 2.6.35，Wince6.0

工作温度(working temperature)

扩展消费级：-20°C ---85°C
expansion industrial：-20°C ---85°C
工业级：-40°C ---85°C
industrial：-40°C ---85°C
汽车级：-40°C ---85°C
automotive：-40°C ---85°C

核心板引出接口说明以及跟三星2416的比较
(instruction of interface led out by core board and comparision with Samsung 2416)

管脚定义(definition of pin)

结构尺寸：单位（mm）(structure size:unit(mm))