The receiving party modem and single-chip microcomputer interface circuit

Published:2011/6/23 21:14:00 Author:TaoXi | From:SeekIC

The receiving party modem circuit and the battlefield sensor modem circuit have the same using and control methods in the single-chip microcomputer and the demodulation chip. The different is the second serial port of the single-chip microcomputer is connected with the RS 232C port of the computer through the level conversion circuit, it sends the received digital signal to the PC. The receiving party modem and single-chip microcomputer interface circuit is as shown in the figure. The D1～D8 are the receive data display, the D9 is the system power indicator, the D10 is the correct sending indicator, the D11 is the carrier wave detection indicator, the D12 is the data transmission indicator.



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