【嵌入式系统放牛班】UART-03

嵌入式系统教学, UART, RS-485, 9-bit mode, NMM 
0:00 Program UART-03
0:44 EIA-485, TIA-485, and ISO/IEC-8482
8:53 图解 RS485 的传输
15:40 UART to RS485 Transceiver(PHY)
20:22 RS485 9-bit mode(NMM, AAD, RXDIS, ADC)
26:29 范例说明
27:35 规格导读
29:15 程序代码导读
35:40 运行解说-硬件协助的9-bit模式接收