endentity;37architecturertlofaFifois38---/Internal connections & variables---39constantFIFO_DEPTH :integer := 2**ADDR_WIDTH;4041typeRAMisarray(integerrange<>)ofstd_logic_vector(DATA_WIDTH-1downto0);42signalMem:RAM (0toFIFO_DEPTH-1);4344signalpNextWordToWrite :std_logic_vector(ADDR_WIDTH-1...
Top-Down Digital VLSI Design Book2015,Top-Down Digital VLSI Design Explore book No gating of reset signals Very much like a gated clock, we speak of agated resetwhen theasynchronous resetor preset input of a latch, flip-flop, register, counter, or some other state-preservingsubcircuitparticipat...
Verilog code for a loadable counter with synchronous reset library ieee; use ieee.std_logic_1164.all; use ieee.std_logic_unsigned.all; entity ctr8sr is port ( clk : in std_logic; rst_n : in std_logic; d : in std_logic; ld : in std_logic; q : out std_logic_vector(7 downto...
The complexity of the electronic integrated circuits requires particular strategies in the design cycle. Conventional strategies are “top down”, “bottom up”, or similarly structured approaches. In a top down approach for instance, the design of a particular integrated circuit starts at a relativel...
The Address generator is a counter which generates address for the memory to be tested. It can count up or down to provide address in ascending or descending order. Comparator compares the datain and ramout, if they are not equal Fail signal is raised, else, Pass signal is raised. The ...
Table 1. Counter with Asynchronous Reset Port Listing Related Links This example describes an 8-bit counter with asynchronous reset and count enable inputs in Verilog HDL. Synthesis tools detect counter designs in HDL code and infer lpm_counter megafunction. Figure 1. Counter w...
Figure 2. Asynchronous Wake up Controller micro-architecture. The core is asynchronous and thus naturally in idle mode until an IT event occurs at its input. Once evaluated, the IT vector address is sent to the Program Counter (PC) Unit. The IT vector content is thus loaded from the memo...