Greetings, I am planning to do a project on microcontrollers.I want to show images , text in different kinds of fonts and some live data everything on a CRT Monitor from a microcontroller.I am thinking of storing the images in a RAM/ROM and generate the CRT signals from the microcontroller and get some text from a keyboard and a live data from a serial port of micro.I think the processing of data wont be a problem but is it possible to drive the CRT directly by the microcontroller? Thank you all .
direct VGA control from processor
Sep 19, 2006
5 Replies
This is one solution - offload the hard work onto another chip :
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Hi Mike, Thanks for your reply.Is it very difficult to control the display by microcontroller?Has anyone ever done such a project?Any information will be helpful. Thanks
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Yes, this is possible, we've done it in the past, see Pic'Spectrum :
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Friendly, Robert Lacoste
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This guy has done it
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It is possible, but don't expect much resolution. Here is an example with a 12MHz PIC, driving a TV almost directly:
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For a computer monitor this gets harder, because of higher pixel clocks.
Kind regards,
Iwo
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