dlpc3438无法与主控芯片进行I2c,通讯,通过示波器测量发现HOST_IRQ一直是高电平,无法被拉低完成初始化。这是什么问题?
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dlpc3438无法与主控芯片进行I2c,通讯,通过示波器测量发现HOST_IRQ一直是高电平,无法被拉低完成初始化。这是什么问题?