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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,

is the hold pin high (pin 7)? You may try to read identifier (command 20h). If you are not sure about the SPI protocol, you may have a look at the data sheet of another Flash e.g. M25P32.

Regards