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ST72F324 and serial memory

dbutler
Associate II
Posted on February 14, 2005 at 12:04

ST72F324 and serial memory

1 REPLY 1
dbutler
Associate II
Posted on February 14, 2005 at 12:04

Hi

I am working on a design that uses a 72F324K4T. I need some additional data memory, about 64k to 128kbytes. I would like to use serial Flash (SPI). However, from the data sheets it looks like I will need to use some diode clamps and a voltage translator because, the ST7 must run at 5V and the serial memory at 3.3V.

Has anyone else had this problem? Can you recommend a serial memory device that has worked well for you or NOT worked well with the ST72F324?

Thanks,

Dave