请问RS-485收发器SN65LBC184 的D、R和MCU连接的串联电阻,一般推荐使用比较小的串联电阻,比如10欧姆或者30欧姆,假如我串联4.7K的电阻,会对通信哪方面有影响,会降低通信可靠性吗
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请问RS-485收发器SN65LBC184 的D、R和MCU连接的串联电阻,一般推荐使用比较小的串联电阻,比如10欧姆或者30欧姆,假如我串联4.7K的电阻,会对通信哪方面有影响,会降低通信可靠性吗