Re-animating the PDP-11/70 with CPLD, ethernet

J. Peterson updated a PDP-11/70 console with an ethernet controller and a CPLD to control the blinking LEDs: I’ve always missed that visual and tactile aspect of computers that’s been lost since the advent of microprocessors. When a console for a PDP-11/70 came up for sale on Ebay, I couldn’t resist the opportunity to bring […]

NEW PROTOTYPE: XC9572XL CPLD development board

Ever get stuck choosing the right logic chip combination or voltage level translator? Give up the hunt and create your own custom logic chip. CPLDs can give you the logic you need, with the pinout you want, while saving board space and board revisions. The Xilinx XC9500XL family has some of the cheapest and readily-available […]

Xilinx CPLD applications handbook

This document from Xilinx could easily be titled “Everything You Always Wanted to Know About Xilinx CPLDs But Didn’t Know Where to Look.” Its the Xilinx CPLD Applications Handbook, featuring the CoolRunner-II and XC9500XL. It’s a 422 page compendium of application notes, hardware interfacing tips and specs that any Xilinx CPLD user will want to […]