Lpc2000

--- In lpc2000@yahoogroups.com, "Karl Olsen" <kro@p...> wrote:
>
> ---- Original Message ----
> From: "Tom Walsh" <tom@o...>
> To: <lpc2000@yahoogroups.com>
> Sent: Thursday, November 10, 2005 3:27 AM
> Subject: Re: [lpc2000] Re: Uart receive timeout Interrupt?
> >
> > Peter Homann wrote:
> > 
> >> Richard,
> >> 
> >> Yes, it had been working. I think I downloaded a Hex file for a
> >> processor other than the LPC2138 and then it seemed to stop 
working.
> >> 
> >> I don't think it is a hardware problem.
> >> 
> >> For the third time, is it possible to erase the boot loader or 
screw
> >> it up?
> >> 
> > No, you cannot.  According to the Philips doc that 8K sector is
> > protected from erasure.
> > 
> > Please refer to the Philips manual: "LPC213x User Manual" 
#UM10120,
> > top of page 221.
> 
> Still, Philips has released the program "LPC2000 Boot Loader update
> via ISP" that somehow modifies the similarly unmodifiable boot
> sectors of the devices prior to LPC213x...
> 
> Karl Olsen
>

Yes, the LPC2106 User Manual states that the 'unlock' command will 
allow the boot block to be overwritten.

Richard