Lpc2000

----- Original Message ----- 
From: "rtstofer" <rstofer@...>
To: <lpc2000@yahoogroups.com>
Sent: Saturday, October 15, 2005 7:41 PM
Subject: [lpc2000] LPC2106 Electrical & Timing Specs


>I have spent literally hours searching the Philips web site for
> documentation other than the User Manual for the LPC2106 and a few app
> notes.
>
> Is there a document that has the electrical and timing specs for this
> chip?
>
> One reason I am curious is that I don't seem to be able to get very
> short output pulses when I wiggle a pin.  Something on the order of
> 100 nS is about the shortest I can get.  Now, I am running at 4x
> 14.7456 MHz (I think!) and the VPBDIV is set to 0x01.  It would seem
> that, at 59 MHz, I should be able to get very short pulses.
>
> This isn't a problem, just a curiousity.  But, I would like to review
> the specs.

The I/O is limited by the speed of the ARM peripheral bus and is rather 
slow. An AVR can actually wiggle pins faster than than the LPC2106.

Leon 

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