TI中文支持网Part Number:MSP430F5438A
急急急,卡了一周了都没测好。
用的是P3.4,P3.5引脚,配置成4800的波特率,按照User Guide 配置：
UCA0BR1 = 0x00;
UCA0BR0 = 0x06;
UCA0MCTL = UCBRF_0 + UCBRS_7;
配置成主机模式:
问题是用Modbus Slave仿真时是收发正常的。
连接实物表时,发送数据是正常的,但是接收到的数据丢失的,通常接收超过3个字节就出错了。
用USB转TLL接收RS485芯片转换的数据发现和从机的数据是一致的.
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Taylor：
您好，
已经收到了您的案例，调查需要些时间，感谢您的耐心等待。
,
Links：
你的意思是，如果使用TTL电平，数据是正常的，但RS485电平会丢失一些数据？
你有一些波形可以分享吗？
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