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電子信息系外文文獻(xiàn)翻譯------混合信號(hào)微控制器msp430f149.doc

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電子信息系外文文獻(xiàn)翻譯------混合信號(hào)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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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
超寬低電壓范圍:1.8V~3.6V
低功耗模式:
− 活動(dòng)模式:在1MHz,2.2V時(shí)工作電流280uA
− 待機(jī)模式:1.6uA
− 掉電模式:(RAM數(shù)據(jù)保持)0.1uA
五種省電模式
從待機(jī)到喚醒模式響應(yīng)時(shí)間小于6μs
16位精簡(jiǎn)指令系統(tǒng),指令周期125ns
8通道12-Bit模數(shù)轉(zhuǎn)換器(ADC),具有片內(nèi)參考電壓源
帶有三個(gè)捕獲/比較寄存器的16位定時(shí)器(Timer_A3)
串行在線可編程,無(wú)需提供外部編程電壓
采用保險(xiǎn)熔絲的可編程代碼保護(hù)措施
具有異步串行通信接口(USART)和同步SPI接口
− 兩個(gè)串行通信接口(USART0和USART1)
該系列產(chǎn)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