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fpga - How to generate sound in VHDL - Electrical ...
https://electronics.stackexchange.com/questions/221186/how-to-generate-sound-in-vhdl
A GPIO pin can be either a zero or a one. To output a parallel signal, you need to declare a std_logic_vector and assign a set of pins. R8 is the input of a 50MHz clock. You'll probably want to divide that down quite a bit before you try …
VHDL Audio Codec - EmbDev.net
https://embdev.net/topic/359097
an audio codev in vhdl is not required in any way, since this should be done in hardware. you only need some configuration of the codec and an input output system with your code in between. Report post Edit Delete Quote selected text Reply Reply with quote
VHDL sine wave oscillator | Dinne's blog
https://dwjbosman.github.io/vhdl-sine-wave-oscillator/
VHDL Design. In this article I focus on generating a single sine wave. The following will be tested: Setting the sine generator to a certain frequency. Updating the frequency : This should not introduce noticeable audio 'glitches'. The top level design simply connects an oscillator (the sine_wave component) to the I2S_sender.
VHDL Example Code of Generate Statement
https://www.nandland.com/vhdl/examples/example-generate-statement.html
Replicating Logic in VHDL; Turning on/off blocks of logic in VHDL; The generate keyword is always used in a combinational process or logic block. It should not be driven with a clock. If the digital designer wants to create replicated or expanded logic in VHDL, the generate statement with a for loop is the way to accomplish this task. Note that ...
VHDL Reference Guide - Generate Statement
https://www.ics.uci.edu/~jmoorkan/vhdlref/generate.html
The for ..generate statement isd usually used to instantiate "arrays" of components. The generate parameter may be used to index array-type signals associated with component ports: architecture GEN of REG_BANK is component REG port(D,CLK,RESET : in std_ulogic; Q : out std_ulogic); end component; begin GEN_REG: for I in 0 to 3 generate REGX : REG port map (DIN(I), CLK, RESET, …
Pseudo random generator tutorial in VHDL (Part 1/3) - SemiWiki
https://semiwiki.com/fpga/6129-pseudo-random-generator-tutorial-in-vhdl-part-1-3/
For this tutorial it is assumed that you already have basic knowledge of the VHDL language and know how to use simulation tools (Modelsim will be used, but you can easily …
vhdl Tutorial => A pseudo-random generator
https://riptutorial.com/vhdl/example/21929/a-pseudo-random-generator
The following VHDL package shows how to use protected types to design a pseudo-random generator of boolean, bit and bit_vector. It can easily be extended to also generate random std_ulogic_vector, signed, unsigned. Extending it to generate random integers with arbitrary bounds and a uniform distribution is a bit more tricky but doable.
How to create a PWM controller in VHDL - VHDLwhiz
https://vhdlwhiz.com/pwm-controller/
PWM generator module Let’s create a standard, generic implementation of a PWM controller in VHDL. What I mean by standard is that this is close to what most experienced VHDL designers would create if you asked them to write a PWM controller in VHDL.
PWM Generator in VHDL with Variable Duty Cycle ...
https://www.fpga4student.com/2017/06/pwm-generator-in-vhdl.html
Pulse Width Modulation is a very popular modulation technique which is mainly used to control the power delivered to electrical devices such as motors.This VHDL project presents a simple VHDL code for PWM Generator with Variable Duty Cycle. The VHDL code for PWM Generator is simulated and verified on Xilinx ISIM.
How to generate random numbers in VHDL - VHDLwhiz
https://vhdlwhiz.com/random-numbers/
VHDL has a built-in pseudo-random generator, but it can only generate floating-point numbers between 0 and 1. Fortunately, you can derive from this any other kind of random data format you should need. Continue reading this article to find out how to produce real or integer values of any range, ...
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