criteria when selecting next MPU
OpenMoko at mauve.plus.com
Sat Apr 26 02:05:59 CEST 2008
Werner Almesberger wrote:
> Ron K. Jeffries wrote:
>> what is consensus on level of performance bump
>> is needed for next Freerunner?
> Ah, that's what we call the "CPU" now :) (Used to be "MCU", but since
> we also have a PMU and now an MPU, that's too close for comfort.
> We're basically constrained by what chips we can get. We decided to go
> with Samsung again, since we perceive this to have the lowest design
> risk for us. GTA04 will have a Samsung 6400. Clock rate will be roughly
> the same as in GTA02, but the ARM core is more modern (ARM11 instead of
> ARM9), which brings a number improvements.
The 10 page technical brief -
does indeed make it look shiny.
I note that the 6410 has 3d accel, and claims to be a straight drop-in,
which is nice. (I haven't got access to the datasheet yet - if they'll
let me.) And references to a drop-in 6430 - but no details.
Is there a GTA03?
500MHz, with DDR RAM (possibly), and onboard 2d accel should really fly
- even for screens as 'large' as VGA.
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