电子信息系外文文献翻译------混合信号微控制器msp430f149.doc

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电子信息系外文文献翻译------混合信号微控制器msp430f149,five power-saving modeswake-up from standby mode in less than 6 μs16-bit risc architecture, 125-ns instruction cycle time12-bit a/d converter with internal refe...
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此文档由会员 wanli1988go 发布

Five Power-Saving Modes
Wake-Up From Standby Mode in less than 6 μs
16-Bit RISC Architecture, 125-ns Instruction Cycle Time
12-Bit A/D Converter With Internal Reference, Sample-and-Hold and Autoscan Feature
16-Bit Timer_A With Three Capture/Compare Registers On-Chip Comparator
Serial Onboard Programming, No External Programming Voltage Needed Programmable
Code Protection by Security Fuse
Serial Communication Interface (USART), Functions as Asynchronous UART or
Synchronous SPI Interface
− Two USARTs (USART0, USART1)
Family Members Include:
− MSP430F147, MSP430F1471:
32KB+256B Flash Memory,
1KB RAM
− MSP430F148, MSP430F1481:
48KB+256B Flash Memory,
2KB RAM
1.主要特征
超宽低电压范围:1.8V~3.6V
低功耗模式:
− 活动模式:在1MHz,2.2V时工作电流280uA
− 待机模式:1.6uA
− 掉电模式:(RAM数据保持)0.1uA
五种省电模式
从待机到唤醒模式响应时间小于6μs
16位精简指令系统,指令周期125ns
8通道12-Bit模数转换器(ADC),具有片内参考电压源
带有三个捕获/比较寄存器的16位定时器(Timer_A3)
串行在线可编程,无需提供外部编程电压
采用保险熔丝的可编程代码保护措施
具有异步串行通信接口(USART)和同步SPI接口
− 两个串行通信接口(USART0和USART1)
该系列产品包括:
− MSP430F147,MSP430F1471: 32KB + 256B Flash Memory, 1KB RAM
− MSP430F148,MSP430F1481: 48KB + 256B Flash Memory, 2KB RAM
− MSP430F149,MSP430F1491: 60KB + 256B Flash Memory, 2KB RAM