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Altera_Forum
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12 years ago

What is the polarity of DCLK signal in EPCS16 ?

I am using cyclone iii ep3c25 fpga in which I have designed an sopc system which has altera spi ip. I want to access EPCS16 flash using this SPI. For that, what polarity should i kept for the sclk si...
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Altera_Forum
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12 years ago

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I presume this is irrelevant.

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Yes, as you can clearly see from the EPCS datasheet in Quartus config handbook. EPCS16 is also functionally compatible to industry standard SPI flash devices, e.g. M25P16, in case of doubt refer to the respective datasheets.