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User Guide在UCS Module Fail-Safe Operation这一章里提到，当用XT1作为FLL的参考源的话，一旦XT1失效，则自动切换REFO作为FLL的参考源，XT1LFOFFG置位。但此时我设置XT1使能，FLL的参考源会自动切换回来么？
你好，
你可以在XT1失效XT1LFOFFG中断里面处理，设置XT1使能，判断XT1是否再次启震，自动切换回来。
