Hackaday

Did You Know YoSys Knows VHDL Too?

We’ve been fans of the Yosys / Nextpnr open-source FPGA toolchain for a long while now, and like [Michael] we had no idea that their oss-cad-suite installer sets up everything so that you can write in ...
Electronic Design

VHDL Code Offloads LED Blinking Task To A CPLD

An earlier Idea For Design (“Hardware-Based LED Blinking Control Eliminates Software Overhead,” Sept. 27, 2007, p. 52) described a very interesting way to offload the software overhead required for a ...
EDN

VHDL 101 – IF, CASE, and WHEN in a Process

Last time, in the third installment of VHDL we discussed logic gates and Adders. Let’s move on to some basic VHDL structure. All HDL languages bridge what for many feels like a strange brew of ...
EDN

VHDL 101 – From Logic Gates to Adders

VHDL is all about creating logic. As a descriptive language, all the HDL languages bring something unique to programming – making true parallel logic circuit. As we take baby steps into VHDL, we will ...