MSP430F449IPZR by Texas Instruments(TI) Design and production,in Shenzhen Yirenxin Technology Co., Ltd. Spot sales,And can pass Shenzhen Yirenxin Technology Co., Ltd. Purchasing。MSP430F449IPZR Price reference $ 5.231250。MSP430F449IPZR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information MSP430F449IPZR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial