Flash Memory ?????

[slikmik]

Ok in nokias they have a "flash" what does this do?

Is this where the MCU,PPM etc are stored or what?

Because say 3310 has 16mb flash and 3330 has 32mb flash
WHY? Anyway of reading the full contents?

What do they contain? I know for a fact that a full flash is simply 2mb so where and WHAT does the rest do???

Cheers

Mike

[kOuBy2k1]

i think this memory contain variables and other things created and needed by the MCU program to run... I'm not sure...

[GeeZuZz]

Good question. I wondered about the same a few days ago...

[slikmik]

Okay so not just me whos curious....

Anybody have the answer??

I thought all these gurus like :

tek, haf, man0n, NokDoc, nokiaguru, Liam etc would have made a contribution....



Mike

[NokiaPhreak]

Flash is like the bios in your computer motherboard. Which is an eeprom i think, you need a pic or eeprom programmer to read out all the contents.

[DonaldDuck69]

3310 have NO 16mb Flash and 3330 have NO 32mb Flash. This is mbit!!!

3310: 2MByte = 16Mbit
3330: 4MByte = 32Mbit

[NokiaPhreak]

DonaldDuck69 is correct....which like 128mbit in motherboard bios is not means you have 128mb bios size.

[KnOeFz]

note:

mb=megabit
mB=megabyte

I know peopple use it very very sloppy...

-=K=-

[slikmik]

Thanks folks i understand now

Cheers for clearing it all up

About the MegaBYTE and MegaBIT i'm glad its finally sorted because ive heard different sizes from various people - its good to have an answer

Mike

[mrbig4545]

whats in the the 0 - 2 address range of the flash then?

Because i tried to read it and got like 128kb

Is it the io commands? if so y cant i read them, its mental

[jamie_c74]

I believe it is hardware mapping...

Jamie

[mrbig4545]

Well thats good to no, but if its in the flash, why cant i read it? How am i supposed to find out what the map is like if i cant see it, i like learning usless information, lol

Cheers
Mark

[jamie_c74]

I don't think it is in the flash exactly...for example a 3330

0000000-001FFFF0 : RAM + Hardware IO (16Mbit)

0020000-005FFF0 : Flash ROM (32Mbit)

0060000-00????? : ??? (If read results in mirror of Flash ROM)

Not sure if this is 100% correct but this is how i understand the memory map to look like.

Jamie

[kOuBy2k1]

Thanks for your knowledge men....


And us phone don't have dynamic memory???