I am having this IC - https://www.cypress.com/file/448601/download


This is working in Quad mode. Actually, I am understanding a design. So, I am learning.

It is used to stored some information.

But I dont understand how this IC works and how the frequency of the IC operation is being set? Can someone please explain the difference between a normal SPI IC working and this IC working? Please explain in simpler terms for my understanding.

If someone could help me understand the block diagram too, it would be better. Thank you all

 

Looks like any other SPI flash, so the "frequency of the IC" is set by the SPI clock. The only difference to a standard SPI flash is that with a special command you can set it to recieve or transmit data that is two or four bits wide, instead of the single bit wide data of normal SPI.

 

How spi works -

https://www.corelis.com/education/tutorials/spi-tutorial/


http://ww1.microchip.com/downloads/en/devicedoc/spi.pdf


Regards, Dana.