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AFE4400 EVM板，上面用的MCU为MSP430，之前一直正常使用，现在连接上电脑，电脑就认为是键盘类的硬件，将EVM板的USB驱动装不成功，可能是MSP430的固件有问题，请问有没有办法对MSP430的固件升级。
我记得这个板子对msp430预留了jtag接口，可以对msp430烧些你的固件的。
