BAUD_RATE_GENERATOR

Published:2009/7/12 22:07:00 Author:May | From:SeekIC

Gate IC1a is used in a conventional crystal oscillator circuit and IC1b acts as a buffer stage. IC2 is a CMOS 4024BE seven-stage binary counter and its clock input is fed with the 2.4576-MHz signal from IC1b. The first two stages of IC2 are not used, but the other five outputs provide baud rates from 1200 to 19,200 baud. Of course, the clock frequency is 16 times the baud rate and output frequencies from IC2 range from 19.2 to 307.2 kHz.



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