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Re: [lpc2000] lpc2292 we signal problem

2005-10-26 by Richard Duits

I'm using the following BCFG config with one 16 bit flash (AM29DL323G):

IDCY=0
WST1=0
RBLE=1
WST2=0
MW=1

The WE line works as expected. The LPC2292 works with a core clock of 
7.3728 MHz


roelof t Hooft wrote:

> Hi,
>
> I would really appreciate somebody's help with the
> following :
>
> A lpc2292 with 2 m29w320 Flash memory connected to
> it. The signals :
> lpc    Fl
> cs0    -> ce
> oe     -> oe
> we     -> we
> A2-22  -> A0-20
> D0-15  -> D0-15 first device
> D16-31 -> D0-15 second device
>
> idcy, wst1 and wst2 of bcfg0 are set to the max.
> mw is set for 32 bits memory. Everything else is
> zero.
>
> Now I have hooked up a logic analyzer and that shows
> me that the we signal is not used to write to Flash.
> But instead the bls signals are active.
>
> It would be easy to connect bls0 to the we inputs
> but I would like to understand why this happens.
> Does the processor "see" an one in rble no matter
> what I put in it ?  (philips support ?????)
>
> roelof
>
>
>
>
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