For an integer defined with range 0 to 1000, and if the integer is an incrementing counter. What happens if the signal that resets an integer counter...
Hello , I am starter in VHDL . Is there any difference between two sources below? They are different i think. first source uses vector signal in the entity body. second source uses vector signal in the architecture body. is ther any difference? for example concurrent process or seque...
For VHDL, the initial state may be defined by anIFstatement and a reset signal. ENTITY statemachine IS PORT( clk : IN STD_LOGIC; input : IN STD_LOGIC; reset : IN STD_LOGIC; output : OUT STD_LOGIC); END statemachine; ARCHITECTURE a OF statemachine IS ...
The signal declarations found as architecture declarative items should not have mode: architecture behavior of lab32test is component lab32 Port(x,w,y:in bit_vector (1 to N); l,r,z:out bit_vector (1 to N)); end component; signal x,w,y:in bit_vector (1 to N); ...
architecture behaviour of rom_test is -- Introducing the UUT, here it is rom component rom port ( addr1, addr2: in unsigned (4 downto 0); data_out1, data_out2: out unsigned (31 downto 0)); end component; signal addr1, addr2: unsigned (4 downto 0); ...
most of the work of the CPLD is done on the computer. Open the integrated development software (Altera Max+pluxII) → draw a schematic diagram, write hardware description language (VHDL, Verilog) → compile → give the input excitation signal of the logic circuit, simulate, and check whether...
aWarning (10492): VHDL Process Statement warning at DIV.vhd(24): signal "SHURU" is read inside the Process Statement but isn't in the Process Statement's sensitivity list 警告(10492) : VHDL处理声明警告在DIV.vhd (24) : 信号“SHURU”读在处理声明里面,但不在处理声明的敏感性名单[translate] ...
This is where the "application-specific" part of ASIC comes into play. The transistors are arranged so that they perform a specific function or set of functions, such as digital signal processing, data encryption, or even the specific computations required for cryptocurrency minin...
In back-annotated (timing) simulation, the timing information is taken into account when simulation is run using the SDF (standard delay format) file. The "$width" message occurs when the pulse width of a specific signal is less than what is required for the device to be used. The forma...
description what is new in xst for virtex-6 and spartan-6 devices? solution in ise design suite 11.2, xst introduced a new vhdl/verilog parser for virtex-6 and spartan-6 families. the new parser brings a lot of improvements to the xilinx synthesis solution. - significantly enlarges vhdl/ve...