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TI eZ430TMS37157无线RFID开发方案 通信网络 免费猫

发布时间:2020-02-17 12:55:37 阅读: 来源:装模车厂家

TI eZ430-TMS37157无线RFID开发方案 - 通信/网络 - 电子工程网

TI公司的MSP430F22xx系列是超低功耗混合信号微控制器,集成了两个16位计时器,通用串行通信接口,10位ADC和基准电压源以及数据传输控制器(DTC),两个通用运放.器件工作电压1.8V-3.6V, 1 MHz, 2.2 V工作模式的功耗为270uA,待机功耗为0.7uA,主要用于手持设备.本文介绍了MSP430F22xx主要特性,功能方框图,以及eZ430-TMS37157无线RFID开发套件主要特性, eZ430-RF USB调试接口电路图, eZ430-TMS37157目标板电路图和RFID基站电路图等.

The Texas Instruments MSP430 family of ultra-low-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 1 micro;s.

The MSP430F22xx series is an ultra-low-power mixed signal microcontroller with two built-in 16-bit timers, a universal serial communication interface, 10-bit A/D converter with integrated reference and data transfer controller (DTC), two general-purpose operational amplifiers in the MSP430F22x4 devices, and 32 I/O pins.

MSP430F22xx主要特性:

Low Supply Voltage Range: 1.8 V to 3.6 V

Ultra-Low Power Consumption

Active Mode: 270 micro;A at 1 MHz, 2.2 V

Standby Mode: 0.7 micro;

Off Mode (RAM Retention): 0.1 micro;A

Ultra-Fast Wake-Up From Standby Mode in Less Than 1 micro;s

16-Bit RISC Architecture, 62.5-ns Instruction Cycle Time

Basic Clock Module Configurations

Internal Frequencies up to 16 MHz With Four Calibrated Frequencies to %plusm;1%

Internal Very-Low-Power Low-Frequency Oscillator

32-kHz Crystal

High-Frequency (HF) Crystal up to 16 MHz

Resonator

External Digital Clock Source

External Resistor

16-Bit Timer_A With Three Capture/Compare Registers

16-Bit Timer_B With Three Capture/Compare Registers

Universal Serial Communication Interface

Enhanced UART Supporting Auto-Baudrate Detection (LIN)

IrDA Encoder and Decoder

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