At 10.58 2011.11.08, you wrote:
>In my case I needed to carry on processing comms and timer interrupts
>whilst a new application firmware was being downloaded (i.e. I couldn't
>afford to have the CPU freeze for 5ms or so during each page write).  On
>the AVR, there is a specific section of memory (called Read While Write)
>from which the CPU can still execute code whilst the main memory is
>being written to.  Thus all my interrupts are located in this section
>and are either handled by the bootloader during a programming operation,
>or by the application code using function pointers.  Also the
>programming operation is initiated by the application code, and I
>program a secondary area of memory

Thanks, that explains it all, clever, but luckily for me I have simpler
needs for now.

With kind regards,
Mario

>
>Regards
>
>Mike

--=20
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