newPtz/doc/串口寄存器说明.txt

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TBE -> 发送数据缓存区为空; 0不空 1
TC -> 发送完成; 0未完成 1完成
RBNE -> 读数据缓存区非空; 0 1不空
BAUD -> 30d41920061a89600
CH1单片机接收PC发送
CH2单片机发送PC接收