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--- builderpages:plasmo:protorc3:crc65proto [2025/09/09 03:20] – Initial import from Wayback Machine
+++ builderpages:plasmo:protorc3:crc65proto [2026/06/15 13:09] (current) – external edit 127.0.0.1
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+/* Imported from Wayback Machine
+   Original URL : https://www.retrobrewcomputers.org/doku.php?id=builderpages:plasmo:protorc3:crc65proto
+   Snapshot date: 2025-09-09
+   Generator    : wayback-archiver
+*/
+====== Prototype CRC65, A Frugal 6502-based SBC ======
+===== Introduction =====
+CRC65 stands for **C**PLD_**R**AM_**C**Fdisk_**65**02. It is a simple yet powerful 6502-based single board computer. Discussion about CRC65 development can be found here:
+http://forum.6502.org/viewtopic.php?f=10&t=6440
+This page describes the first prototype of CRC65. The production CRC65 homepage is [[builderpages:plasmo:crc65|here]].
+[[https://www.retrobrewcomputers.org/lib/exe/fetch.php?tok=ad71fd&media=https://www.retrobrewcomputers.org/lib/plugins/ckgedit/fckeditor/userfiles/image/builderpages/plasmo/protorc3/crc65_proto/dsc_62640109.jpg|{{https://www.retrobrewcomputers.org/lib/plugins/ckgedit/fckeditor/userfiles/image/builderpages/plasmo/protorc3/crc65_proto/dsc_62640109.jpg?600x387|www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_protorc3_crc65_proto_dsc_62640109.jpg}}]]
+===== Features =====
+W65C02 operating at 14.7MHz
+CY7C109 RAM provides 58K of RAM space
+Altera EPM7064S CPLD with the following features
+-byte boot ROM
+Double-buffered serial receiver at 115200 N81
+Software bit-bang transmitter operating at 115200 N81
+Compact Flash interface
+I2C interface
+RAM decode
+Bus-connected IDE44 interface.
+Prototyped with ProtoRC3
+[[https://www.retrobrewcomputers.org/lib/exe/fetch.php?tok=cdfeed&media=https%3A%2F%2Fwww.retrobrewcomputers.org%2Flib%2Fplugins%2Fckgedit%2Ffckeditor%2Fuserfiles%2Fimage%2Fbuilderpages%2Fplasmo%2Fprotorc3%2Fcrc65_proto%2Fcrc65_prototype_mockup_annotated.jpg|{{https://www.retrobrewcomputers.org/lib/plugins/ckgedit/fckeditor/userfiles/image/builderpages/plasmo/protorc3/crc65_proto/crc65_prototype_mockup_annotated.jpg?500x265|www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_protorc3_crc65_proto_crc65_prototype_mockup_annotated.jpg}}]]