Description: designed : PC 8250 serial communication interface (COM1, COM2) interface programming, through the use of standard RS232 serial communication lines to achieve the two-Serial Communication is the basic demand : to achieve two long-range aircraft between keyboard (the character immediate delivery) and the general functional copy of the text (text message) capabilities senior requirements : one, the use of two aircraft to achieve interruption of communication; 2, capable of delivering a general computer binary files; 3. transmission speed of 38Kbps and above.
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