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TCA9539: TCA9539 I/O扩展一个方波信号

Part Number: TCA9539

您好:

   在使用TCA9539进行IO扩展时,希望通过P口的某个I/O输出频率为500KHz,占空比50%的方波信号,是否可以实现?谢谢!

  • 您好,TCA9539主要应用于I2C或SMbus IO口的扩展,最大频率支持到400Khz,所以如果需要输出频率支持500Khz的话,TCA9539是不支持的呢。