CRC65 rev1 with Prototype Area

Introduction

This is the same CRC65 rev1 but with 2“x4” of prototype area consists of array of 0.1“ spacing plated through holes.

www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_crc65_crc65proto_dsc_74961127.jpg

Design files

Gerber photoplots

Schematic, CPLD design files are same as CRC65 rev1.

Projects

CF bootstrap in CPLD

This project explore true ROM-less bootstrap using a state machine in CPLD to initialize CF disk and execute instructions streaming out of CF disk's data FIFO.

Link to forum discussion.

www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_crc65_crc65proto_dsc_74701111.jpg

www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_crc65_crc65proto_dsc_74711111.jpg

CF Bootstrap using GAL20V8

This project explore true ROM-less bootstraping with state machine in two GAL20V8

Link to forum discussion

www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_crc65_crc65proto_dsc_74971127_f.jpg

www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_crc65_crc65proto_dsc_74981127_f.jpg

Small ROM in GAL22V10

This project is a SBC based on 32-byte ROM bootstrap code implemented in GAL22V10.

Link to forum discussion.

www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_crc65_crc65proto_dsc_74911125.jpg

www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_crc65_crc65proto_dsc_74921125.jpg

builderpages/plasmo/crc65/crc65proto/home.txt · Last modified: 2023/11/27 20:54 by plasmo
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