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how to write data in a flash memory in-system


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sagsriv

Thu Jul 03 2008, 11:03PM

[ Microcontroller n00b ]

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I am doing a project involving micro controllers. I am using p89c52 phillips microcontroller chips with 4 kb flash memory. In a step of my project, I need to receive data from one microcontoller and store them in the flash memory of another so that i can view and use the data later.but I cannot do that as the flash memory included is a rom and there is no instruction to move the received data from micro controller (which comes into sbuf) to the code memory of that one.Can anyone suggest anything please?

Sagsriv

Ajay

Thu Jul 03 2008, 11:43PM

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P89C52 does not support In Application Programming (IAP) so you wont be able to use flash on runtime.

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Anonymous | 07 Jan : 21:00

bt i dont know the procedure...after creating asmfile in keil...what should i do next...how do i burn the program to my microcontroller using my laptop...do i need a cable

Kazim | 07 Jan : 20:35

u could download the Keil_c51v806 uploaded by Phan in the esnips search results

Kazim | 07 Jan : 20:33

@ anonymous. i prefer using Keil. its a software with which u write the code and then make a hex file of the code.....

see the tutorial section for Keil and goto www.esnips.com and search for Keil to download

Anonymous | 07 Jan : 19:25

HI,
HOW DO I CREATE A .ASM FILE.HOW DO I BURN IT TO MY MICROCONTROLLER.in other words, what all do i need n where do i download the stuff that i need to creat a .ASM file n burn it to AT89C2051

Ajay | 07 Jan : 12:57

well thats not a good idea.. maybe it is.. but lot of work on that..

and time is less

ExperimenterUK | 07 Jan : 12:56

Now how about a feature to edit
your chatbox messages

Ajay | 07 Jan : 12:51

thank you... i thought of add a message box alert too.. but then i tought.. come on.. its not a chat site lol! one indication is fine

ExperimenterUK | 07 Jan : 12:51

It works

Well done

Ajay | 07 Jan : 12:50

lol.. ok

thats ok

i have my sounds working

ExperimenterUK | 07 Jan : 12:49

Hi Ajay
I had my sounds turned off

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8051 Microcontroller Projects 8051 AVR tutorials PIC microcontroller, 8051 assembly language programming electronics and communication ECE CSE pdf ebooks library BE final year project ideas Embedded systems