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TI MSP-EXP430G2 LaunchPad開發解決方案

2012-05-18

TI公司的MSP430F15x/16x/161x系列是超低功耗微控制器,集成了兩個16位計時器,快速12位ADC,雙路12位DAC,一個或兩個USART,I2C,DMA和48個I/O引腳.工作電壓1.8 V - 3.6 V, 1 MHz和2.2 V是的功耗僅330 μA,五種降功耗模式,典型應用包括傳感器系統,工業控制和手持儀表等.本文介紹了MSP430F161x 主要特性,方框圖以及MSP-EXP430G2 LaunchPad低成本實驗板主要特性,電路圖,材料清單和PCB元件布局圖.

MSP430F15x, MSP430F16x, MSP430F161x MIXED SIGNAL MICROCONTROLLER

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 6 μs.

The MSP430F15x/16x/161x series are microcontroller configurations with two built-in 16-bit timers,a fast 12-bit A/D converter, dual 12-bit D/A converter, one or two universal serial synchronous/asynchronous communication interfaces (USART), I2C, DMA, and 48 I/O pins. In addition, the MSP430F161x series offers extended RAM addressing for memory-intensive applications and large C-stack requirements.

Typical applications include sensor systems, industrial control applications, hand-held meters, etc.

MSP430F161x 主要特性:

Low Supply-Voltage Range: 1.8 V to 3.6 V

Ultralow Power Consumption

− Active Mode: 330 μA at 1 MHz, 2.2 V

− Standby Mode: 1.1 μA

Off Mode (RAM Retention): 0.2 μA

Five Power-Saving Modes

Wake-Up From Standby Mode in Less Than 6 μs

16-Bit RISC Architecture,125-ns Instruction Cycle Time

Three-Channel Internal DMA

12-Bit Analog-to-Digital (A/D) Converter With Internal Reference, Sample-and-Hold, and Autoscan Feature

Dual 12-Bit Digital-to-Analog (D/A) Converters With Synchronization

16-Bit Timer_A With Three Capture/Compare Registers

16-Bit Timer_B With Three or Seven Capture/Compare-With-Shadow Registers

On-Chip Comparator

Serial Communication Interface (USART0), Functions as Asynchronous UART or Synchronous SPI or I2CTM Interface

Serial Communication Interface (USART1), Functions as Asynchronous UART or Synchronous SPI Interface

Supply Voltage Supervisor/Monitor With Programmable Level Detection

Brownout Detector

Bootstrap Loader I2C is a registered trademark of Philips Incorporated.

Serial Onboard Programming, No External Programming Voltage Needed,Programmable Code Protection by Security Fuse

Family Members Include

− MSP430F155

16KB+256B Flash Memory

512B RAM

− MSP430F156

24KB+256B Flash Memory

1KB RAM

− MSP430F157

32KB+256B Flash Memory,

1KB RAM

− MSP430F167

32KB+256B Flash Memory,

1KB RAM

− MSP430F168

48KB+256B Flash Memory,

2KB RAM

− MSP430F169

60KB+256B Flash Memory,

2KB RAM

− MSP430F1610

32KB+256B Flash Memory

5KB RAM

− MSP430F1611

48KB+256B Flash Memory

10KB RAM

− MSP430F1612

55KB+256B Flash Memory

5KB RAM

Available in 64-Pin QFP Package (PM) and 64-Pin QFN Package (RTD)

圖1.MSP430F161x方框圖

MSP-EXP430G2 低成本實驗板

The MSP-EXP430G2 low-cost experimenter board called LaunchPad is a complete development solution for the Texas Instruments MSP430G2xx Value Line series. The integrated USB-based emulator offers all the hardware and software necessary to develop applications for all MSP430G2xx series devices. The LaunchPad has an integrated DIP target socket that supports up to 20 pins, allowing MSP430™ Value Line devices to be dropped into the LaunchPad board. It also offers an on-board flash emulation tool allowing direct interface to a PC for easy programming, debugging, and evaluation. The LaunchPad experimenter board is capable of programming the eZ430-RF2500T target boards, the eZ430-Chronos watch module or the eZ430-F2012T/F2013T target boards. The USB interface provides a 9600-Baud UART serial connection from the MSP430G2xx device to the host PC or a connected target board.

The MSP-EXP430G2 can be used with IAR Embedded Workbench™ Integrated Development Environment (IDE) or Code Composer Studio™ (CCS) IDE to write, download, and debug applications.

The debugger is unobtrusive, allowing the user to run an application at full speed with hardware breakpoints and single stepping available while consuming no extra hardware resources.

MSP-EXP430G2 LaunchPad主要特性:

• USB debugging and programming interface featuring a driverless installation and application UART serial communication with up to 9600 Baud

• Supports all MSP430G2xx and MSP430F20xx devices in PDIP14 or PDIP20 packages

• Two general-purpose digital I/O pins connected to green and red LEDs for visual feedback

• Two push button for user feedback and device reset

• Easily accessible device pins for debugging purposes or as socket for adding customized extension boards

• High-quality 20-pin DIP socket for an easy plug-in or removal of the target device
SLAU318B–

圖2.MSP-EXP430G2 LaunchPad外形圖

MSP-EXP430G2實驗板包括:

The MSP-EXP430G2 experimenter kit includes the following hardware:

• LaunchPad emulator socket board (MSP-EXP430G2)

• Mini USB-B cable, 0.5 m

• Two MSP430 flash devices

– MSP430G2553: Low-power 16-bit MSP430 microcontroller with an 8-channel 10-bit ADC, on-chip comparator, touch-sense enabled I/Os, universal serial communication interface, 16kB flash memory, and 512 bytes of RAM (preloaded with a sample program)

– MSP430G2452: Low-power 16-bit MSP430 microcontroller with an 8-channel 10-bit ADC, on-chip comparator, touch-sense enabled I/Os, universal serial interface, 8kB flash memory, and 256 bytes of SRAM

• Two 10-pin PCB connectors female

• 32.768-kHz clock crystal from Micro Crystal (http://www.microcrystal.com)

• Quick start guide

• Two LaunchPad stickers

圖3.MSP-EXP430G2 LaunchPad電路圖(1)

圖4.MSP-EXP430G2 LaunchPad電路圖(2)

圖5.MSP-EXP430G2 LaunchPad電路圖(3)

MSP-EXP430G2 LaunchPad材料清單:




圖6.MSP-EXP430G2 LaunchPad PCB元件布局圖
詳情請見:
http://www.ti.com/lit/ds/slas368g/slas368g.pdf

http://www.ti.com/lit/ug/slau318b/slau318b.pdf

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