Lpc2000

At 01:05 PM 2/27/06 +0100, Michal Krestan wrote:

>I need to help with programming LPC2106 via LPC2000 flash utility. I've 
>got board with one LPC2106 connected via UART0 to COM1. P0.14 is pulled 
>low, power supply pins are in limits but I can't sucesfully connect with 
>flash utility. Always I get message "Cannot communicate with test board". 
>X1 and X2 pins are connected to 7.3728MHz resonator. If I measure data 
>between PC and LPC2106 it has some response on flash utility requests, but 
>no success:-( I had several pcs of this hardware working, but this one 
>doesn't work. I've changed LPC2106 with new one but still with the same 
>result.  Does anybody have idea how to fix this problem?

Use a faster crystal?

The minimum frequency specced for serial ISP programming is 10MHz (Pg 26 of 
the LPC2106 data sheet).

Robert

" 'Freedom' has no meaning of itself.  There are always restrictions,   be 
they legal, genetic, or physical.  If you don't believe me, try to chew a 
radio signal. "  -- Kelvin Throop, III
http://www.aeolusdevelopment.com/