Lpc2000

Hi Bob and Charles, 

sorry for starting this mess in the wrong group. At least I have 
learned more about the LPC2000 flash devices. But I have still the 
problem with my LPC901. 
Thanks to everybody     Best Regards   Frank

--- In lpc2000@yahoogroups.com, "lpc2100_fan" <lpc2100_fan@y...> 
wrote:
> 
> Hi Frank and Charles,
> 
> there seems to be a little mix up here: 
> Frank you are talking about LPC900 and yes you can program byte by
> byte and use the program memory very easy as EEPROM.
> Charles, I guess you are talking about the LPC2000 flash devices 
where
> byte programming as EEPROM replacement can only be done in larger
> chunks as discussed before in this group. 
> 
> Frank, you asked your question in the correct group LPC900_users as
> well, this group is for the LPC2000 devices and EEPROM is very
> different than on the LPC900, that's where the confusion comes 
from.
> 
> hth, Bob
> 
> --- In lpc2000@yahoogroups.com, "embeddedjanitor" <manningc2@a...> 
wrote:
> > 
> > --- 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.