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AD7476 SPI

Category: Datasheet/Specs
Product Number: AD7476

I have a question about the code for reading data from the AD7476. There is a project at this ( https://opencores.org/projects/spiadc) link that has the function of continuously reading data from the AD7476. 
That is, CS does not rise between conversion and at the same time the next transformation begins, as shown in the photo (nSS is CS). I did not find an exact definition of such function in the AD7476 specification. But description in opencore links says -"ability continued sequence mode - without frame entry/completing ".

Will it work in hardware? Or is it necessary  making CS high between conversions?