Forums

Download problem

Started by pasapas44 October 15, 2004


Hello,

I use lpc2106 and I download a bad programm which is normaly made
for lcp2124 and this programm acess to registers which doesn't exist
on lpc2106.
After the download trough the ISP, the lpc2106 doesn't work and I
can't comunnicate with ISP programm (LPC2000 flash utility, 2.1).

Can a programm destroy the boot loader?
Thank you.



An Engineer's Guide to the LPC2100 Series


--- In , "pasapas44" <pasapas44@y...> wrote:
>
>
> Hello,
>
> I use lpc2106 and I download a bad programm which is normaly made
> for lcp2124 and this programm acess to registers which doesn't
exist
> on lpc2106.
> After the download trough the ISP, the lpc2106 doesn't work and I
> can't comunnicate with ISP programm (LPC2000 flash utility, 2.1).
>
> Can a programm destroy the boot loader?
> Thank you.

If the LPC2106 sees that the program is validated (checksum in
Interrupt vectors correct) it will start and the program will crash.
This will happen every time and so the chip will not go to ISP mode.

Have you pulled ISP Pin P0.14 to GND and reset (or reapplied power)
and then tried to communicate with the FLASH utility. This will
force ISP mode and it should be possible to load the correct code.

Regards

Mark Butcher


Hello,

I also have same problem of this.

I'm using IAR's KickStart with J-Link USB J-TAG

Now, the LPC2106 can't communicate with LPC2000 Flahs Utility.
Even manually enter ISP. boot loader by pressing ISP/INT1 then RESET

How can I re-programmed ISP. boot loader by J-Link?

Thankyou. ----- Original Message -----
From: "pasapas44" <>
To: <>
Sent: Friday, October 15, 2004 16:29
Subject: [lpc2000] Download problem > Hello,
>
> I use lpc2106 and I download a bad programm which is normaly made
> for lcp2124 and this programm acess to registers which doesn't exist
> on lpc2106.
> After the download trough the ISP, the lpc2106 doesn't work and I
> can't comunnicate with ISP programm (LPC2000 flash utility, 2.1).
>
> Can a programm destroy the boot loader?
> Thank you. > Yahoo! Groups Links >
>