How to Implement a Digital Delay Using a Dual-Port RAM in VHDL
Learn how to implement a digital delay line using a dual-port RAM in VHDL. Circular buffer architecture, complete VHDL code, and FPGA synthesis with Block RAM inference.
Hardware Design
How To Implement Shift-Register in VHDL Using a FIFO
Learn how to implement a digital delay line in VHDL using shift registers, block RAM, or a synchronous FIFO. Includes VHDL code examples and an FPGA implementation strategy.
How to Implement a Finite State Machine in VHDL
Learn how to implement a Finite State Machine (FSM) in VHDL. This guide covers Moore and Mealy FSMs with a practical vending machine example.
How to Design SPI Controller in VHDL
Learn how to design an SPI controller in VHDL. This guide covers SPI protocol basics, CPOL/CPHA modes, and a complete VHDL implementation with FSM and simulation.
How to Connect an ADC to an FPGA
A practical guide to connecting an ADC to an FPGA. Learn parallel SDR and DDR interfacing with VHDL code examples, timing analysis, and buffer storage calculations.