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Old 29 July 2014, 14:13   #17
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Join Date: Mar 2012
Location: Norfolk, UK
Posts: 427
Originally Posted by K.C.Lee View Post
Ah... You are the guy from Retro Rambling. I am a big fan of your articles. I changed from a x16 to x32 SDRAM after reading your blog about needing more graphic memory bandwidth for high res graphics. That decision took about 2 minutes even though I had to restart the design/layout.
Glad you've found the blog interesting - as you've probably seen more recently I've managed to get resolutions up to 800x600@72Hz in 16 bit working from 16-bit wide SDRAM without completely choking off the CPU - so achieving the same resolution with 32-bit colour on your board should be pretty much effortless.

I could also write a memory test (walking zero/one etc) on the ARM and read/write SDRAM on a minimum FPGA core via SPI in a pinch.
Yup indeed. Good luck with the project, anyway - should be a lot of fun!
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