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请问DAC121C085的寄存器可以读写多少次？想使用此DAC产生正弦波，需要不断通过I2C总线往DAC121C085寄存器写入数据，这对DAC的寿命有影响吗？
ic 的寄存器都是易失性的，不用考虑寿命的问题。
