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 [ 3 posts ] 
 SDC_68k - smallest CP/M capable MC68000/010 DIL64 computer 
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Joined: Tue Jan 30, 2018 10:45 am
Posts: 3
- 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&

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Sun Feb 03, 2019 11:40 am

Joined: Wed Apr 24, 2013 9:40 pm
Posts: 213
Location: Huntsville, AL
Very nice.

Michael A.

Sun Feb 03, 2019 12:52 pm

Joined: Wed Jan 09, 2013 6:54 pm
Posts: 1772
Very small, very nice - well done!

Sun Feb 03, 2019 5:43 pm
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