Lpc2000

--- In lpc2000@yahoogroups.com, "frankausloehne" <frank@f...> wrote:
> 
> Hello to everybody 
> I am using IAP to program the FLASH memory ,to store permanently some 
> data, as I have not included EEPROM in my target board.So my 
> application itself is programming the FLASH to recall some data
> during next power ON. 
> I am using the assembler-code which I found in the user manual 
> LPC901..... It runs very well in my software-simulator in Keils 
> µVision3. When I am using Keils EPM900-Emulatorboard it also runs 
> good. When I use it on Chip, I always read different numbers from the 
> same address. 
> H E L P me please. Is here anybody who can help me, to program some 
> code, which runs on chip and in the emulator? 
> How about this: Write #89H into code:0801H -- than read from 0801H
> and store in ACC 
> It would be nice to hear from anybody Best Regards Frank

You can only effectively program 512byte chunks at a time on 512byte 
boundaries.

If you want to only update a few bytes at a time you're progbably going 
to have to read in the page, erase it and rewrite the modified page.

The IAP routines work fine for me.