Lpc2000

Hello dodge1955,

Could you please send the sample code (complete project with binary)
which caused this behavior. Are you enabling the watchdog? In case of
watchdog triggered reset, P0.14 pin is ignored by the bootloader. Try
to power cycle the board holding P0.14 low.

IAP write/erase operations are not allowed on the boot sector.
The bootloader is unlikely to get erased or corrupted during IAP call
even if wrong frequency is used.

Thanks
Philips Apps


--- In lpc2000@yahoogroups.com, "dodge1955" <sutton@...> wrote:
>
> I've apparently trashed by bootloader and am having a tough time
> getting back to where I can talk to my Keil 2140 board serially.  I've
> been playing around for a week now with sample Keil code examples
> getting familiar with how things work and connecting and uploading and
> downloading fine.  It was going very well until I got brave and
> uploaded a sample piece of my own code.  The board locked up and I
> have been unable to get it reconnected (thru the Philips Flash Utility
> program).   I get the infamous 'Cannot communicate with test board"
> message. And, P0.14 and RESET don't seem to kick it into ISP mode
> where I can make a connection.  Any help out there.  Thanks.
>