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   Snapshot date: 2025-11-17
   Generator    : wayback-archiver
*/

====== Prototype Board for RC2014, Rev4 ======

===== Introduction =====

This version of prototype board is based on EPM7064STC recovered from recycled pc boards. One interesting feature is the board is manually layout with old-fashion rounded corners

[[https://retrobrewcomputers.org/lib/exe/fetch.php?tok=ccefc6&media=https%3A%2F%2Fwww.retrobrewcomputers.org%2Flib%2Fplugins%2Fckgedit%2Ffckeditor%2Fuserfiles%2Fimage%2Fbuilderpages%2Fplasmo%2Fprotor4%2Fdsc_66270909.jpg|{{https://www.retrobrewcomputers.org/lib/plugins/ckgedit/fckeditor/userfiles/image/builderpages/plasmo/protor4/dsc_66270909.jpg?600x450|www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_protor4_dsc_66270909.jpg}}]]

===== Features =====

EPM7064STC100

Prototype area

IDE44 interface

WS2812B RGB LED

RC2014 compatible

===== Design Info =====

[[https://retrobrewcomputers.org/lib/exe/fetch.php?media=builderpages:plasmo:protor4:protorc_r4_scm.pdf|Schematic]]

[[https://retrobrewcomputers.org/lib/exe/fetch.php?media=builderpages:plasmo:protor4:protorc_rev4_gerber.zip|Gerber photoplot]]

[[https://retrobrewcomputers.org/lib/exe/fetch.php?media=builderpages:plasmo:protor4:protorc_r4_cpld_template.zip|CPLD template]], empty design with pins assigned according to the board layout

[[https://retrobrewcomputers.org/lib/exe/fetch.php?media=builderpages:plasmo:protor4:ws2812b_test_protorc_r4.zip|Example CPLD design]] for driving the WS2812B RGB LED