Stefan, When you say '5V tolerant' I understand that a micro (@5V) can write to the Flash (@3.3v). But what do you do for the data coming OUT of the data flash? So you just use a pull-up resistor, or something else? Ivan. ----- Original Message ----- From: "Stefan Wimmer" <yahoo@wsw-elektronik.de> To: <AVR-Chat@yahoogroups.com> Sent: Thursday, September 01, 2005 2:51 AM Subject: [AVR-Chat] Re: Serial Flash > --- In AVR-Chat@yahoogroups.com, "Arif YILMAZ" <arif.yilmaz@b...> wrote: >> hello dear members, >> i need a high capacity serial flash chip and i will use the following >> from ST , >> >> http://www.st.com/stonline/products/literature/ds/10980/m25pe40.htm >> >> but it is 3.3 V >> >> do you know any other alternative for this serial flash memory about >> 512K flash with SPI interface and 5V supply? > > Hi Arif, > > I'm using the dataflashs from Atmel in some applications. They're 3.3V > too, but fully 5V-tolerant at the I/Os. A small LDO like > LP2950/2980/2985 for the 3.3V and you're done... > > Stefan > > > > > > > Yahoo! Groups Links > > > > > > > >
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Re: [AVR-Chat] Re: Serial Flash
2005-08-31 by Ivan Vernot
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