TABLE 7管脚定义中给出了使用方法。就是看/RE和DE管脚的电平。
RE Receiver Output Enable. A low level enables the receiver output, RO. A high level places it in a high impedance state. If RE is high and DE is low, the device enters a low power shutdown mode.
DE Driver Output Enable. A high level enables the driver differential Output A and Output B. A low level places it in a high impedance state. If RE is high and DE is low, the device enters a low power shutdown mode.
可以将RE和DE管脚连接到MCU的GPIO引脚，通过控制拉高拉低来使能接收和发送。
TABLE 7管脚定义中给出了使用方法。就是看/RE和DE管脚的电平。
RE Receiver Output Enable. A low level enables the receiver output, RO. A high level places it in a high impedance state. If RE is high and DE is low, the device enters a low power shutdown mode.
DE Driver Output Enable. A high level enables the driver differential Output A and Output B. A low level places it in a high impedance state. If RE is high and DE is low, the device enters a low power shutdown mode.
可以将RE和DE管脚连接到MCU的GPIO引脚，通过控制拉高拉低来使能接收和发送。
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