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Colour GLCD for calculator project
05-17-2019, 11:13 PM
Post: #11
RE: Colour GLCD for calculator project
(05-16-2019 05:23 AM)Dan Wrote:  and uses SPI to communicate with the microcontroller. My main concern is that the relatively high resolution could result in a slow refresh rate, especially as it uses SPI.

How fast is it? I didn't see anything at the link that tells. SPI has no max speed limit; and there are some SPI devices that approach 100MHz clock rates, 100 Mbits per second, ie, about 12 Mbytes per second.

http://WilsonMinesCo.com  (Lots of HP-41 links at the bottom of the links page, at http://wilsonminesco.com/links.html#hp41 )
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Colour GLCD for calculator project - Dan - 05-16-2019, 05:23 AM
RE: Colour GLCD for calculator project - Garth Wilson - 05-17-2019 11:13 PM



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