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ATXMEGA VT100 Terminal

I Build a VT100 terminal 80 X40 colour characters using just a ATXMEGA2563AU and a 74lvc157

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I used a Chinese 8" VGA monitor and a ATXMEGA to create this Vt100 terminal
I used TinyCad to make the schematic and FREEPCB to create the PCB files
The PCB is 7.5 x 6 cm
The Atxmega is running at 50.35MHz. According the manual its able to run 48MHz for full speed USB. and at 50MHz it's not getting warm at all. i have set it running for 5 days without any problems. i did try the internal clock multiplier running 2MHz x 25 and that works (kind of) its just not stable enough for a good picture

Xmega VT100.zip

Software

x-zip-compressed - 150.77 kB - 12/12/2019 at 14:42

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Terminal.bom

Bill of materials

bom - 1.26 kB - 12/12/2019 at 14:42

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Terminal.fpc

PCB file, FREEPCB

fpc - 118.00 kB - 12/12/2019 at 14:41

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Terminal.dsn

Schematic Diagram TinyCad file

dsn - 148.66 kB - 12/12/2019 at 14:40

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Terminal.dsn.pdf

Schematic diagram PDF

Adobe Portable Document Format - 34.48 kB - 12/12/2019 at 14:39

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