Assume the same initial conditions of Problem 9-58, and sketch the signal on DB₃ for the waveforms of Figure 9-83.

Data from Problem 9-58

Assume that the registers in Figure 9-47 are initially [A] = 1011, [B] = 1000, and [C] = 0111. The signals in Figure 9-83 are applied to the register inputs.

Determine the contents of each register at times t₁, t₂, t₃, and t₄.

Describe what would happen if I̅E̅_A were LOW when the third clock pulse occurred.

Figure 9-83

 

Figure 9-47

Transcribed Image Text:

OEA OEB OEC 1 TEA 1 IEB IEC CLK O t₁ OV t3 t4