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Re: [lpc2000] LPC2106 code run problems?

2004-02-27 by tsvetanusunov

>It may not be that simple. The fact that Philips has been claiming 
>there are no sequencing requirements was bothering me so I just 
>did a simple experiment. I disconnected the 1.8V supply from the 
>micro and powered it up. After the other supplies had stabilized I 
>reconnected the 1.8V supply by hand. The micro started w/o a 
>problem. I've got to refine the setup a little more but 
>straightforward sequencing is not at fault.

indeed it may be not that simple, I believe in our case Vreg rise 
time difference is matter of milliseconds.
we didn't measure rise times on +1.8 +3.3V with 10uF/47uF but this 
just solved the problem
we'll do some more experiments
Tsvetan

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