RE: UCB1400 in suspend

From: Charles Wang (CharlesWang_at_discussions.microsoft.com)
Date: 08/27/04 

Date: Fri, 27 Aug 2004 10:41:01 -0700

Can you try to set both Bit 11 and Bit 10? even though bit 10 is READ only in
the data ***

"Mort Pugh" wrote:

> I am working on a PXA255 platform with a UCB1400 using CE 4.2.
>
> I am trying to minimize the current usage during suspend, and having trouble
> with the UCB1400. Beginning to think that it is a hardware problem, but
> before I give up on software thought that I would see if anyone has any
> thoughts.
>
> The UCB1400 register 0x26 (Power status and control) should turn off the
> VREF by setting PR3 (bit 11), or at least that is my understanding. But
> VREF does not appear to go low.
>
> Any thoughts?
>
> --
> Mort
>
>
>