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MSP430FR2355: MSP430FR2355下载程序失败

Part Number: MSP430FR2355

使用IAR软件和MSPFET430UIF下载器给MSP430下载程序时出现识别不到MSP430的问题,如下图:

IAR中的配置如下:

硬件上MSP430未接外部晶振,复位电路MSP430接了一个47k的上拉电阻到3.3V,想知道是什么原因导致识别不到MSP430?