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Vydrz pamate
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DarknessMaster
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PostPosted: Thu Oct 11, 2007 11:44 am    Post subject: Reply with quote

odpoved je skvela vec, ale otazka jeste lepsi, proto jich neni nikdy dost Smile
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MuF123
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PostPosted: Fri Oct 12, 2007 3:37 pm    Post subject: Reply with quote

ok tak dalsia otazka: preco sa potom urcita cast pamate vola eeprom? nie je to vsetko na jednom chipe (flash)? zda sa mi ze aj eeprom sa zapisuje po blokoch takze je len taky nazov ale v skutocnosti eeprom je flash? aky ma to potom ucel (premenovanie)?

edit>
Code:
Memory Size 256 Mbit (32 MByte)
Data Bus: 16 Bit
Access Time: Initial access: 85 ns
Synchronous Burst Mode: 54 MHz / 14ns clock to data output
Asynchronous Mode: 85 ns

servisny manual

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DarknessMaster
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PostPosted: Sat Oct 13, 2007 7:47 pm    Post subject: Reply with quote

Presnou odpoved bych hledal v datasheetu k procesoru a manualech. jsou dve moznosti tusim...
Bud je to slovickareni, takze EEPROM a flash je v tomto pripade identicke medium, a sice FLASH 32MB...
Za druhe, mame tady jakousi FLASH 32MB + EEPROM interne zabudovanou v procesoru.... (momentalne netusim jestli tam neni interni i ta 32MB flash. )
kazdopadne by to mohl nekdo nastudovat, ted na to nemam moc casu...

jinak podle toho co jsem nasel tak prava EEPROM datumove starsi nez FLASH nikdy neumela a umet nebude zapis v blocich. tak jako FLASH nikdy nebude pristupovat bitove.

dneska se delaji tak rozsahle projekty ze ti nikdo EEPROM nikdo nepouzije, Kazdy ma v aplikaci FLASH, a proto se prejalo nazvoslovi EEPROM . To bude myslim kamen celeho problemu... ale mozna se mylim,,,

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mario_liptov
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PostPosted: Sat Oct 13, 2007 7:58 pm    Post subject: Reply with quote

Wikipedia:
Flash
EEPROM

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Tak tam sem taky (Ne)byl...
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Bonfire
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PostPosted: Sat Oct 13, 2007 8:23 pm    Post subject: Reply with quote

vyraz EEPROM ktery pouzivame ve FF je cast dat ve flashi, ktera se kdysi zapisovala do EEPROM (jednoduche - ulozene nastaveni, atd.). dneska se tyto data zapisuji na urcitou adresu do flash pameti, a aby bylo jasno co tam je tak je to popsane jako EEPROM.
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MuF123
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PostPosted: Sat Oct 13, 2007 8:25 pm    Post subject: Reply with quote

a je po diskusii Crying or Very sad diky Bonfire Applause
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DarknessMaster
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PostPosted: Sun Oct 14, 2007 11:07 am    Post subject: Reply with quote

Dobra prace chlapci. Ted uz to snad nikoho plest nebude... Very Happy
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mario_liptov
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PostPosted: Sun Oct 14, 2007 11:31 am    Post subject: Reply with quote

Takze zamykame.
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Tak tam sem taky (Ne)byl...
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