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Altera_Forum's avatar
Altera_Forum
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17 years ago

Epcs4 interface problem

Hi, I am using EPCS4SI8N through SPI interface to a microcontroller to write and read data. Right now I have done the connections accordingly but have problems with read and write to the serial EE...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

Hi,

you have a problem with your interface as 255 is definitly wrong. You should get something like 0x01, 0x02. 0x12. You may download the data sheet of S25FL004A and compare with figure 9.3. Is your speed too high?

Regards,

Heiko