Lpc2000

Hi Bill,

Thanks for the tip !
I was still at concept stage and that hadn't occured to me yet :-)

-- Kris

----- Original Message -----
From: "Bill Knight" <BillK@...>
To: <lpc2000@yahoogroups.com>
Sent: Monday, May 10, 2004 9:02 PM
Subject: Re: [lpc2000] Re: injecting an external 4 MHz clk into LPC2000, and
using PLL - anyone done similar ?


> Kris
>   One quick point.  The LPC does not like a rail-to-rail
> input clock.  I believe the max level is the same as the
> core voltage (1.8v) and the minimum is 200mV.  Also, the
> signal should be capacitively coupled.
>   It probably wouldn't hurt if you had the RTCLK signal
> pinned out on your JTAG connector either and used it.
> Otherwise debugging is going to be very slow.
>
> -Bill
> the ARM Patch