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a vhdl entity has inputs a and b and outputs c and da and b are initially high whenever a goes low c will go high 5 ns
consider the following three concurrent statements where r is a resolved signal of type x01zdraw the multiple drivers
write a vhdl description of an address decoderaddress match detector one input to the address decoder is an 8-bit
write a vhdl model for one flip-flop in a 74hc374 octal d-type flip-flop with three-state outputs use the ieee-standard
in the following code all signals are 1-bit stdlogic draw a logic diagram that corresponds to the code assume that a d
design a memory-test system to test the first 256 bytes of a static ram memory the system consists of simple controller
design a memory tester that verifies the correct operation of a 6116 static ram figure 8-15the tester should store a
a clocked t flip-flop has propagation delays from the rising edge of clk to the changes in q and q as follows if q or q
write a vhdl model for an n-bit comparator using an iterative circuit in the entity use the generic parameter n to
write structural vhdl code for a module that is an n-bit serial-in serial-out rightshift register inputs to the shift
1 create a 4 times 4 array multiplier using generate statements use full adder half adder and and gate components as in
1 write a procedure that has an integer signal and a file name as parameters each line of the file contains a delay
1 what does the term isa mean do the pentium 4 and pentium 3 have the same isa2 microprocessor x has 30 instructions in
1 find a minimum set of tests that will test all single stuck-at-0 and stuck-at-1 faults in the following circuit for
instead of using dual-port flip-flops of the type shown in figure 10-8 scan testing can be accomplished using standard
based on the vhdl code of figure 10-21 design a two-cell boundary scan register the first cell should be an input cell
referring to figure 10-16 determine the sequence of tms and tdi inputs required to load the instruction register with
1 a draw a circuit diagram for an lfsr with n 5 that generates a maximum length sequenceb add logic so that 00000 is
a write vhdl for an 8-bit misr that is similar to figure 10-28b design a self-test circuit similar to figure 10-25 for
a add a count-down timer mode to the wristwatch module of figures 11-2 and 11-3 the timer should count seconds minutes
the problem concerns the design of a simple calculator for adding unsigned binary numbers operation is similar to a
1 assume that you are implementing the wristwatch design from section 111 on an fpga board design the input module for
state graphs for two sequential machines are given below the first graph represents a correctly functioning machine and
1 how can we improve the convergence of the p q decomposition method when the ratio rx is very big2 how can the
1 how should node conversion such as changing a pv node into a pq node or changing a pq node into a pv node be