LCM flicker

Werner Almesberger werner at openmoko.org
Mon Mar 10 15:05:31 CET 2008


Andy Green wrote:
> Maybe the GTA01 batch of LCMs are
> themselves different from the ones we currently use.

I connected my GTA01Bv4 LCM to a GTA02v4, and it showed all the same
flicker.

> Maybe this is because the GTA01 issued the video at a higher
> frame rate and the flicker is less visible.

That is the case, yes. I just measured that HSYNC on GTA02 is 40.9kHz,
while on GTA01 it's 55.4kHz (!)

- Werner




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