我进行FSK SPI的调制,在写程序时用1ms的速度选择fsk_SPI_DEV_SEL时,发现输出信号不稳的现象,怎么解决呢?
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我进行FSK SPI的调制,在写程序时用1ms的速度选择fsk_SPI_DEV_SEL时,发现输出信号不稳的现象,怎么解决呢?
就是假设我给一个周期性(1ms)的转换频率,输出在20MHz和50MHz之间来回切换,通过示波器观察发现,并不是严格的1ms切换一次,而是有时会大于1ms有时会小于1ms