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LM3S9B96设计的32位CortexM3MCU开发设计

发布时间:2020-07-21 18:48:01 阅读: 来源:中和缓蚀剂厂家

本文介绍了LM3S9B96 MCU Cortex-M3处理器方框图以及Stellaris? LM3S9B96开发板主要特性,方框图,电路图和扩展板电路图.

LM3S9B96是TI 公司的基于ARM Cortex-M3 的32位MCU,具有先前8位和16位MCU的价格成本, CPU工作频率80MHz,100DMIPS性能, ARM Cortex SysTick定时器,片内具有高达50MHz的256KB单周期闪存和96KB单周期SRAM,内部的ROM加载了StellarisWare软件, 具有扩展的外设接口和串行接口,目标应用在遥控监视,POS销售机,测试测量设备,网络设备和交换,工厂自动化,HVAC和建筑物控制,游戏设备,运动控制,医疗设备,电源和交通运输,防火和安全等.

LM3S9B96目标应用:The Stellaris family is positioned for cost-conscious applications requiring significant control processing and connectivity capabilities such as:■ Remote monitoring■ Electronic point-of-sale (POS) machines■ Test and measurement equipment■ Network appliances and switches■ Factory automation■ HVAC and building control■ Gaming equipment■ Motion control■ Medical instrumentation■ Fire and security■ Power and energy■ Transportation图ellaris LM3S9B96方框图图ellaris LM3S9B96 Cortex-M3处理器方框图Stellaris? LM3S9B96开发板The Stellaris? LM3S9B96 Development Board provides a platform for developing systems around the advanced capabilities of the LM3S9B96 ARM? Cortex?-M3-based e LM3S9B96 is a member of the Stellaris Tempest-class microcontroller family. Tempest-class devices include capabilities such as 80 MHz clock speeds, an External Peripheral Interface (EPI) and Audio I2S interfaces. In addition to new hardware to support these features, the DK-LM3S9B96 board includes a rich set of peripherals found on other Stellaris e development board includes an on-board in-circuit debug interface (ICDI) that supports both JTAG and SWD debugging. A standard ARM 20-pin debug header supports an array of debugging e Stellaris? LM3S9B96 Development Kit accelerates development of Tempest-class microcontrollers. The kit also includes extensive example applications and complete source 3S9B96开发板主要特性:The Stellaris? LM3S9B96 Development Board includes the following mple set-up—USB cable provides debugging, communication, and powerFlexible development platform with a wide range of peripheralsColor LCD graphics display– TFT LCD module with 320 x 240 resolution– Resistive touch interface80 MHz LM3S9B96 microcontroller with 256 K Flash, 96 K SRAM, and integrated Ethernet MAC+PHY, USB OTG, and CAN communications– – 8 MB SDRAM (plug-in EPI option board)– – EPI break-out board (plug-in option board)1 MB serial Flash memoryPrecision 3.00 V voltage referenceSAFERTOS? operating system in microcontroller ROMI2S stereo audio codec– Line In/Out– Headphone Out– Microphone InController Area Network (CAN) Interface10/100 BaseT EthernetUSB On-The-Go (OTG) Connector– Device, Host, and OTG modesUser LED and push buttonThumbwheel potentiometer (can be used for menu navigation)MicroSD card slotSupports a range of debugging options– Integrated In-circuit Debug Interface (ICDI)– JTAG, SWD, and SWO all supported– Standard ARM? 20-pin JTAG debug connectorUSB Virtual COM PortJumper shunts to conveniently reallocate I/O resourcesDevelop using tools supporting Keil? RealView? Microcontroller Development Kit (MDK-ARM), IAR Embedded Workbench, Code Sourcery GCC development tools, Code Red Technologies development tools, or Texas Instruments’ Code Composer Studio? IDE Supported by StellarisWare? software including the graphics library, the USB library, and the peripheral driver libraryAn optional Flash and SRAM memory expansion board (DK-LM3S9B96-EXP-FS8) is also available for use with the DK-LM3S9B96 development board– Works with the External Peripheral Interface (EPI) of the Stellaris microcontroller– Provides Flash memory, SRAM, and an improved performance LCD interfaceLM3S9B96开发板包括:The Stellaris? LM3S9B96 Development Kit contains everything needed to develop and run a range of applications using Stellaris microcontrollers:LM3S9B96 development board8 MB SDRAM expansion boardEPI signal breakout boardRetractable Ethernet cableUSB Mini-B cable for debugger useUSB Micro-B cable for OTG-to-PC connectionUSB Micro-A to USB A adapter for USB HostUSB Flash memory stickmicroSD Card20-position ribbon cableCD containing:– A supported version of one of the following (including a toolchain-specific Quickstartguide):? Keil? RealView? Microcontroller Development Kit (MDK-ARM)? IAR Embedded Workbench? Code Sourcery GCC development tools? Code Red Technologies development tools? Texas Instruments’ Code Composer Studio? IDE– Complete documentation– Quickstart application source code– Stellaris? Firmware Development Package with example source code图3S9B96开发板外形图图-LM3S9B96开发板方框图图-LM3S9B96开发板电路图(1)图-LM3S9B96开发板电路图(2)图-LM3S9B96开发板电路图(3)图-LM3S9B96开发板电路图(4)图-LM3S9B96开发板电路图(5)图-LM3S9B96开发板电路图(6)图11.用于DK-LM3S9B96的FLASH/SRAM/LCD IF扩展板电路图(1)图12.用于DK-LM3S9B96的FLASH/SRAM/LCD IF扩展板电路图(2)

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