The Student's Guide to VHDL
Elsevier Science, 1998. gada 15. janv. - 336 lappuses
VHDL is a language for describing digital electronic systems. A vital, efficient step in the system design process, VHDL allows for the design and simulation of a hardware system prior to it actually being manufactured.
Offering the same clear, accessible style as The Designer's Guide to VHDL, The Student's Guide is designed as a main text for introductory VHDL courses, and as a supplementary text for courses that require VHDL-based project work, such as computer architecture, digital design, and digital logic courses. This new condensed text also serves as a quick, self-teaching guide for practicing engineers who need to learn only the basics of VHDL.
1.3. rezultāts no 65.
The operands must both be of the same type , and the result is a Boolean value .
For example , the expressions 123 = 123 , ' A ' = ' A ' , 7 ns = 7 ns all yield the
value true , and the expressions 123 = 456 , ' A ' = ' z ' , 7 ns = 2 us yield the value
( continued from page 75 ) architecture check _ error of max3 is begin maximizer
: process ( a , b , c ) variable result : integer ; begin if a > b then if a > c then result
: = a ; else result : = a ; - - Oops ! Should be : result : = ; end it ; elsif b > c then ...
When a change on either of the input signals results in a change scheduled for
the output , the delay process determines the propagation delay to be used . On a
rising output transition , spikes of less than 400 ps are rejected , and on a falling ...
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