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From: Tauno Voipio on 14 Jan 2010 14:14
amit wrote:
> initialization code for interfacing 89C51 with CS5532 over SPI bus
> Plse help me for wrting C code for handling this ADC

If you do not have the data sheet, get it. Just Google for
CS5532 and pick the data sheet.

Read the register descriptions, allocate 3 port bits for
MISO, MOSI and CS-. Write code to wiggle the port bits
according to the diagrams on data sheet page 22.

--

Tauno Voipio
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