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Table of Contents
CPLDTIL, 6-digit LED display
Introduction
CPLDTIL is a RC2014-compatible 6-digit LED display; each digit is made of 20 individual 0603 LEDs.
Features
RC2014 compatible
6 digits with individual 0603 LEDs
Programmable functionalities with EPM7128S
5 user definable programmable I/O
Operate with 22MHz Z80
Function
The CPLDTIL is driven by an Altera EPM7128S which is in-situ programmable. Current firmware allocate I/O locations 0xE8 to first two digits; location 0xE9 to the middle two digits, and location 0xEA to last 2 digits.