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Re: 請問RS232與RS485
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高級會員
 
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參照：
1.鮑率,傳輸通訊格式(8-N-1)改成RS485是可以沿用. 2.介面IC RS2322都用XX232,RS485 可用XX485或是XX75176. 3.RS232是全雙工(可同時接收或發送)RS485是單雙工(同一時間只能由一方發送但可多方接收),Fireware需要修改,發送端(MASTER)須對RS485介面IC做傳送/接收得方向掌控.
發表於: 2009/3/3 11:26
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請問RS232與RS485
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中級會員
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請問各位大大，小弟已經有RS232的傳輸方式(兩顆晶片相互溝通)，可以在不更動RS232的傳輸通訊格式(8-N-1)下，直接改成485的傳輸嗎?我的意思是只要更動介面IC即可，不知道這樣的作法可行嗎?
發表於: 2009/3/3 10:24
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