The synchronous data transmission system of Figures 9-32 and 9-33 is not working properly and the troubleshooting

Question:

The synchronous data transmission system of Figures 9-32 and 9-33 is not working properly and the troubleshooting tree diagram of Figure 9-38 has been used to isolate the problem to the timing and control section of the receiver. Draw a troubleshooting tree diagram that will isolate the problem further to one of the four blocks in that section (FF1, Bit counter, Word counter, or FF2). Assume that all wires are connected as shown, with no wiring errors


Figure 9-32

Id A Id_B Id_C Id_D Clock Transmit PISO registers AAAA B Ba|B| Bo C C C C D D D Do Shift_enable FF2 J CLK 4 K

Figure 9-33

transmit data Clock Transmit FF2 J CLK4 K 1 DEMUX Oo Four-output demultiplexer - S 0 03 So Q QCLK TC MOD-4 EN


Figure 9-38

Timing and Control Problem Probe Word Counter Out Transmit Puls ? PISO Problem N Probe PISO Out Transmit

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Related Book For  book-img-for-question

Digital Systems Principles And Application

ISBN: 9780134220130

12th Edition

Authors: Ronald Tocci, Neal Widmer, Gregory Moss

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