Digitabulum r2 PCBs have arrived

2017-02-18 01:11 by Ian

The r2 hardware arrived Friday. Had CPLD images flashed by Saturday. I'm crazy-busy writing enough firmware for the ESP32 to test it. Until then, photos...

Read more...

CPLD is ready-to-rock

2016-07-04 00:03 by Ian

As of today, the CPLD is a solved-problem. All the design goals detailed in my prior post are satisfied and have been tested up-to ~5MHz input clock.

Read more...

Digitabulum Design Choices: CPLD

2016-03-12 23:15 by Ian

This is the third post in a series of posts detailing the rationale for design choices in our motion capture glove. I will try and anticipate questions that informed users will ask. This post will discuss the sequence of choices that culminated in r0's CPLD and give some indications of what was changed.

Read more...

IDE Interface in a Xilinx 9572 CPLD

2004-02-21 01:39 by Ian

This is my first attempt at making an actual ASIC.

Read more...