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| TI MSP430 FG42x0 2.4GHz解决方案 | |||||
作者：TI 方案来源：TI 点击数： 更新时间：2007-12-27  |
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The Texas Instruments MSP430 family of ultralow-power microcontrollers consist of several devices featuring different sets of peripherals targeted for various applications. The architecture, combined with five low-power modes, is optimized to achieve extended battery life in portable measurement applications. The device features a powerful 16-bit RISC CPU, 16-bit registers, and constant generators that contribute to maximum code efficiency. The digitally controlled oscillator (DCO) allows wake-up from low-power modes to active mode in less than 6µs. The MSP430FG42x0 is a microcontroller configuration with a 16-bit timer, a high-performance 16-bitsigma-delta A/D converter, 12-bit D/A converter, two configurable operational amplifiers, 32 I/O pins, and a liquid crystal display driver. Typical applications for this device include analog and digital sensor systems, digital motor control, remote controls, thermostats, digital timers, hand-held meters, etc. 主要特性: Low Supply-Voltage Range, 1.8 V to 3.6 V Ultralow-Power Consumption: Active Mode: 250 µA at 1 MHz, 2.2 V Standby Mode: 1.1 µA Off Mode (RAM Retention): 0.1 µA Five Power Saving Modes Wake-Up From Standby Mode in Less Than 6 µs 16-Bit RISC Architecture, 125-ns Instruction Cycle Time 16-Bit Sigma-Delta A/D Converter With Internal Reference and Five Differential Analog Inputs 12-Bit D/A Converter Two Configurable Operational Amplifiers 16-Bit Timer_A With Three Capture/Compare Registers Brownout Detector Bootstrap Loader Serial Onboard Programming, No External Programming Voltage Needed Programmable Code Protection by Security Fuse Integrated LCD Driver With Contrast Control for up to 56 Segments MSP430FG42x0 Family Members Include: MSP430FG4250: 16KB+256B Flash Memory 256B RAM MSP430FG4260: 24KB+256B Flash Memory 256B RAM MSP430FG4270: 32KB+256B Flash Memory 256B RAM  图1. MSP430FG42x0系列方框图 MSP430FG42x0系列评估板eZ430-RF2500: The eZ430-RF2500 is a complete USB-based MSP430 wireless development tool providing all the hardware and software to evaluate the MSP430F2274 microcontroller and CC2500 2.4GHz wireless transceiver. The eZ430-RF2500 uses the IAR Embedded Workbench Integrated Development Environment (IDE) or Code Composer Essentials (CCE) to write, download, and debug your application. The debugger is unobtrusive allowing the user to run an application at full speed with both hardware breakpoints and single stepping available while consuming no extra hardware resources. The eZ430-RF2500T target board is an out-of-the box wireless system that may be used with the USB debugging interface, as a stand-alone system with or without external sensors, or may be incorporated into an existing design. The new USB debugging interface enables eZ430-RF2500 to remotely send and receive data from your PC using the MSP430 Application UART. 评估板eZ430-RF2500主要特性: eZ430-RF2500T, wireless target board MSP430F2274 – 32KB Flash, 1KB RAM, 1 USCI (UART, (2) SPI, I2C, IrDA), 10-bit 200 ksps, 2 Op Amps CC2500 – 2.4 GHz, ISM band multi-channel low power transceiver 2 LEDs 1 pushbutton eZ430-RF, debugging interface Supports development with all Spy Bi-Wire devices (MSP430F20xx and F22xx) Supports MSP430 Application UART allowing serial communication to PC Removable USB stick enclosure Battery expansion board with 2 AAA batteries SimpliciTI, low power network stack Example wireless sensor network project measuring temperature, voltage and signal strength Integrated development environment which includes an assembler, linker, simulator, source-level debugger and limited C-compiler Full documentation on CD-ROM 评估板eZ430-RF2500包括: 2 eZ430-RF2500T target boards 1 eZ430-RF USB debugging interface 1 AAA battery pack with expansion board (batteries included) One MSP430 Development Tool CD-ROM containing documentation and new development software for eZ430-RF2500. MSP430F2xx Family User’s Guide, SLAU144 MSP-FET430 FLASH Emulation Tool User’s Guide, SLAU138 eZ430-RF2500 User’s Guide, SLAU227 Code Composer Essentials (CCE), SLAC063 IAR Embedded Workbench (Kickstart Version), SLAC050 eZ430-RF2500 Sensor Monitor (Code and Visualizer), SLAC139  图2. 评估板eZ430-RF2500外形图 下面是评估板eZ430-RF2500电路图:  图3: eZ430-RF, USB调试接口电路图  图4: eZ430-RF, USB调试接口电路图(2)  图5: eZ430-RF2500T目标板和电源板电路图 评估板详细性能请见: http://focus.ti.com/lit/ug/slau227/slau227.pdf |
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