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fusion digital power studio无法保存参数到flash中

Other Parts Discussed in Thread: UCD3138

芯片为UCD3138,软件是在官网上下的LLC源程序,只有做少量修改。使用fusion digital power studio修改开关频率后,点击write to hardward,示波器能看到输出pwm波形频率确实有修改。但是,然后点击store RAM to flash后,参数又恢复到之前的参数。这是为什么啊?