'Clock event' diaporamas de présentation

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Figure 7.35 Instantiating a D flip-flop from a package

LIBRARY ieee ; USE ieee.std_logic_1164.all ; LIBRARY altera ; USE altera.maxplus2.all ; ENTITY flipflop IS PORT ( D, Clock : IN STD_LOGIC ; Resetn, Presetn : IN STD_LOGIC ; Q : OUT STD_LOGIC ) ; END flipflop ; ARCHITECTURE Structure OF flipflop IS BEGIN

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Figure 8.29. VHDL code for the FSM in Figure 8.3.

1 LIBRARY ieee ; 2 USE ieee.std_logic_1164.all ; 3 ENTITY simple IS 4 PORT ( Clock, Resetn, w : IN STD_LOGIC ; z : OUT STD_LOGIC ) ; 5 END simple ; 7 ARCHITECTURE Behavior OF simple IS 8 TYPE State_type IS (A, B, C) ; 9 SIGNAL y : State_type ; 10 BEGIN

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Introduction to Counter in VHDL

Introduction to Counter in VHDL. CLASS MATERIALS EECE 255. Counter. In electronics, counters can be implemented quite easily using register-type circuits such as the flip-flop, and a wide variety of designs exist, e.g.: Asynchronous (ripple) counters Synchronous counters

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SV-SC Assertions meeting Procedural Concurrent Assertions

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