View unanswered posts | View active topics It is currently Sat Jul 11, 2020 1:20 pm

Reply to topic  [ 3 posts ] 
 SDC_68k - smallest CP/M capable MC68000/010 DIL64 computer 
Author Message

Joined: Tue Jan 30, 2018 10:45 am
Posts: 2
- the smallest possible DIL64 MC68000/68010-based computer by gbm

• footprint: MC68000 DIL64 socket
• hardware monitor with single-stepping, disassembly, memory editing and drag-and-drop HEX file loading
• 256/512 KiB RAM, 64 KiB ISP Flash
• terminal (console) interface with interrupt capability
• timer with interrupt
• diskette emulation in Flash memory for CP/M-68k support
• on-off or PWM-controlled RGB LED
• user button
• Power supply, h/w monitor communication and target computer terminal via USB double VCOM device
• whole computer logic other than the CPU implemented in STM32L496 or L4R5 microcontroller

Software needed on PC side: a terminal emulator program (TeraTerm 4.101 or newer is recommended).

More info and some discussion at ... 7&start=0&

File comment: Bottom view
sdc68kbot.jpg [ 146.67 KiB | Viewed 3233 times ]
File comment: Top view
sdc68ktop.jpg [ 108.25 KiB | Viewed 3233 times ]
Sun Feb 03, 2019 11:40 am

Joined: Wed Apr 24, 2013 9:40 pm
Posts: 188
Location: Huntsville, AL
Very nice.

Michael A.

Sun Feb 03, 2019 12:52 pm

Joined: Wed Jan 09, 2013 6:54 pm
Posts: 1419
Very small, very nice - well done!

Sun Feb 03, 2019 5:43 pm
Display posts from previous:  Sort by  
Reply to topic   [ 3 posts ] 

Who is online

Users browsing this forum: No registered users and 0 guests

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  
Powered by phpBB® Forum Software © phpBB Group
Designed by ST Software