Lpc2000

Hello,

I am using an Olimex LPC-H2129 board in my development. The board was working fine till today. Now, when I try to program it (Philips utility), i get a communication error. I can read the device ID and boot loader version. However, attempts to erase the flash memory fail.

Has any one else suffered these problems? Is there any way arround this?

I had connected an MMC card that was drawing power from the board. Could that have been a cause in this failure? I am asking this because when it was connected, I could not reset the board using the reset button, and had to cycle the power.

Any help will be appreciated

Regards,

Musharraf

[Non-text portions of this message have been removed]

Hello,

I am using an Olimex LPC-H2129 board in my development. The board was working fine till today. Now, when I try to program it (Philips utility), i get a communication error. I can read the device ID and boot loader version. However, attempts to erase the flash memory fail.

Has any one else suffered these problems? Is there any way arround this?

I had connected an MMC card that was drawing power from the board. Could that have been a cause in this failure? I am asking this because when it was connected, I could not reset the board using the reset button, and had to cycle the power.

Any help will be appreciated

Regards,

Musharraf


[Non-text portions of this message have been removed]

On Wednesday 06 April 2005 00:28, Musharraf Hanif wrote:
> Hello,
>
> I am using an Olimex LPC-H2129 board in my development. The board was
> working fine till today. Now, when I try to program it (Philips utility), i
> get a communication error. I can read the device ID and boot loader
> version. However, attempts to erase the flash memory fail.

While anything is possible, I don't that it is very likely to be dead. The 
flash and RAM are internal so are not likely to be affected. If it responds 
to the Id check I'd expect the flash to be OK.

I'd suggest two things:
1) Try lpc21isp. This is far more robust, IMHO, than the Philips loader. I 
have two boards that won't program with the Philips loader but will with 
lpc21isp.

2) Check resets and power etc. Subtle changes in these can disturb the ISP 
process (especially with the Philips tool).

>
> Has any one else suffered these problems? Is there any way arround this?
>
> I had connected an MMC card that was drawing power from the board. Could
> that have been a cause in this failure? I am asking this because when it
> was connected, I could not reset the board using the reset button, and had
> to cycle the power.
>
> Any help will be appreciated
>
> Regards,
>
> Musharraf
>
>