[Arm-netbook] Allwinner A10/A13 and DDR3 data bus

[lkcl luke]

On Sat, Apr 28, 2012 at 6:57 PM, vasant <vasant at microxwin.com> wrote:
> Hi,
>
> This is a question for the hardware experts.
>
> Looks like the A10 has a 32bit DDR3 (800Mhz) bus vs A13 which has a
> 16bit DDR3 (1066Mhz) bus. This may be necessary to move to a TQFP package.
>
> I assume this will reduce performance especially while driving large
> screens.

 yep.  1066mhz (ok, 533mhz but double-data-rate) on a QFP.  dang.

> Also does something  like Mele A1000 use 32bit wide DDR3 memory even in
> their 512MB configuration ?

 http://rhombus-tech.net/allwinner_a10/hacking_the_mele_a1000/A10_device_a1000_inside.jpg

 hynix H5TQ2G863BFR: 2gbit x16.  2of equals 32-bit.

 l.