--- crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68
On Sun, Aug 28, 2016 at 7:01 PM, Louis Pearson <[email protected]> wrote: > Thanks for ask these replies! I'm pretty new to displays do this has been > very informative. For the project in working on, I'll be using a smaller > screen, maybe with a touch screen. Something like this: > > http://m.ebay.com/itm/161863547262?_trkparms=aid=222007&algo=SIC.MBE&ao=1&asc=20150831081539&need=62b51881f4054df6a178d0b1ebe1038d&pid=100518&rk=4&rkt=25&sd=262136737363&_trksid=p2349624.c100518.m4111&_mwBanner=1 > > According to the page it accepts an 8-bit signal. From the looks of it, this > would be able to directly use the RGB/TTL signal. nope - as chris points out, that's a "MCU" style interface (similar to the old IBM XT bus). 8-bit data/address, 1 line to say "it's address or data", 1 bit to say "it's read or write" and another for "clock". you _could_ use it... you'd have to track down the datasheet for the controller IC. basically.... welcome to my world! now you see why the project's taken 5 years! you've been on this for 2 days and you're tracking down just *one* of the components - the LCD! now you also have to find a trusted supplier... > Another question I have is about SPI based displays. There seems to be a lot > in this size range. yes.. because the controller ICs are extremely low-cost. > Would those be able to display hardware accelerated > video? not a snowball in hell's chance. 25mbit/sec *serial* data transfer - you can do the maths. > Is that even a concern with this small of a display? try to find a video of the Adafruit HX8357D SPI-based LCD, you'll see that the drawing rate is veeery slow. l. _______________________________________________ arm-netbook mailing list [email protected] http://lists.phcomp.co.uk/mailman/listinfo/arm-netbook Send large attachments to [email protected]
