Vhdl examples

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VHDL Examples Combinational Logic

A 2-to-1 multiplexer – WITH-SELECT-WHEN statement A 2-to-1 multiplexer – WHEN-ELSE statement A 2-to-1 multiplexer – IF statement 4 Bit Ripple Carry Model using For Statement4 Bit Ripple Carry Model Want to write a VHDL model for a 4 bit ripple carry adder. Logic equation for each full adder is: sum

28p fantasi1211 14-11-2012 77 13 Download

VHDL for Efficient Testbenches

Various efficient VHDL behavioural modelling language constructs are available to generate stimulus to test a VHDL model, e.g., • for loop • defining stimulus array & indexing the array to apply stimulus • reading stimulus data directly from a file Messages can also be added to testbench Remember that this type of testbench / behavioural VHDL code is not intended for logic synthesis, and normally cannot be synthesised ! Refer to muxAndDecEx1 lab files muxAndDecEx1_TB.vhd for these examples of testbench coding...

18p vinhtk7ce 06-07-2012 86 12 Download