430应用手册MSP430x13x,MSP430x14x,MSP430x14x1MIXEDSIGNALMICROCONTROLLERSLAS272FJULY2000REVISEDJUNE2004DLowSupply-VoltageRange,1.8V...3.6VDSerialCommunicationInterface(USART),DUltralow-PowerConsumption:FunctionsasAsynchronousUARTorActiveMode:280Aat1MHz,2.2V