How to implement a digital MUX in VHDL
Learn how to implement a digital MUX in VHDL using 3 different coding styles: concurrent, sequential, and array-based. Includes downloadable VHDL code.
How to implement an LFSR in VHDL
Linear Feedback Shift Register implementation in VHDL. Learn Galois LFSR architecture, VHDL code for parametric LFSR, and primitive polynomials for any N.
How to Implement Division in VHDL
Generally, in VHDL we try to avoid division. Here you can find a simple and efficient solution to implement VHDL code in FPGA for the division algorithm.
How to Quantize FIR Coefficient
Learn how to quantize FIR filter coefficients from floating-point to fixed-point representation using MATLAB or Scilab. Step-by-step guide with code example.
VHDL Array
Learn how to declare and use arrays in VHDL. One-dimensional and multidimensional arrays, initialization, MUX, LUT, and DSP examples.
VHDL FOR-LOOP statement
Learn how to use the VHDL FOR-LOOP statement in RTL. See how the synthesizer unrolls loops into hardware and why the loop range must be static.
VHDL CASE statement
When we need to select multiple options, VHDL provides the two equivalent statements: CASE-WHEN sequential statement and WITH-SELECT concurrent statement
IF-THEN-ELSE statement in VHDL
Understand the VHDL IF-THEN-ELSE sequential statement and its concurrent equivalent WHEN-ELSE. Learn how conditional statements translate to MUX and comparator hardware.
How to Implement a BCD Counter in VHDL
Learn how to implement a BCD (Binary Coded Decimal) counter in VHDL. Includes 1-digit and 4-digit architectures with VHDL code and test bench.