PARALLEL_TO_SERIAL__CONVERTER

Published:2009/7/6 21:24:00 Author:May | From:SeekIC

Multiplexer IC2 selects formatting and data bits according to state of IC1， IC3 is output latch Teletypewriter current loop is driven by Q1 from output of multiplexer. 110-Hz clock gives transfer rate of 10 characters per second. Provides standard asynchronous format of 1 start bit, 8 data bits, and 2 stop bits for teletypewriter without using universal asynchronous receiver-transmitter,-G. C. Jewell, How to Drive a Teletype Without a UART, BYTE, Jan, 1977, p 32.



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