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Schematic.rar
RS-232 to RS-485/422 Converter schematic.
It can support RS-422 and RS-485 to change only two jumppers.
And it used general devices.
75176 can be replaced max485, 65LBC184 etc.
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TMS320F240_PC_sci.rar
数字信号处理器TMS320F240串行通信接口模块SCI和RS-485标准接口芯片MAX485的原理和应用,并给出了TMS320F240与PC机串行通信接口电路,最后,编程实现了串行通信
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