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code 8kb but   hexcode of lpc925

if  any small hex file upload in the flash everthink ok

but orginal hex file can't upload

hex file is inpossible to do modify

what can ı do

I am using tx_miniicp   

when I push start button, device started programming. when address came 0x1b40  flash magic software gave on the screen below message

device does support operation (program additional security)

what is the problem?

Thanks for interested

thanks but ı AM NOT USE mcb900 board
is it possible wihtout mcb900 board?

I have LPC925 AND I USing flashmagic software

I HAVE USBTORS232 CONVERTER  WHIC PINS CONNECTED TO    RX,TX AND RESET ON THE  LPC925

WHAT İS THE BAUDRATE   AND INTERNAL OSILATOR VALUE

DO YOU HAVE DATASHEET

PLEASE HELP ME

hi

the terminal is working on the   flash magic program
but when I push button read device signature then not respons

what is the problem?

namely am I not use reset or other pins

ttl tx     lpc2144 21. pins
ttl rx     lpc2144 19. pins

is it enough?

ok but

give autobaud message     I am only use tx and rx .   orher pins am I need reser or other pins?

namely am I not need reset or other pins.

hi

we have lpc2144

lpc2144                                               usb to tll
reset pins   gnd
tx                                                              rx
rx                                                              tx

osilator 11.0592       ı selected baudrate 9600 or 19200 or 32400  on the flash magic

but when I start pressed button. directly give me autobaud message.

please help

hi

we have lcp2144  and we have usb to tll     rx,tx

which use pins  reset like etc.

can you pins connect diagram please