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MSP430FR6043: MSP430FR6043连接USS时,USS一直显示No connected HID Devices

Part Number: MSP430FR6043

你好,

   使用MSP430FR6043做燃气表开发的时候遇到以下问题:

       1、MSP430FR6043连接USS时,USS一直显示No connected HID Devices

       2、开发板上的指示灯全部不亮

       3、Q400晶振不起振

下载固件是:MSP430FR6043EVM_USS_Gas_Demo_EVM_v2_0_AFE3v3_02_30_00_01.txt