AD7814 read out error

Dear Sir,

As topic, while I checked the raw data came from AD7814, a few data is wrong.

According to "AD7814_Anomaly document" , could you please explain to what is the Power Cycling the AD7814?

And what is the SCLK pin must be clocked 16 times and dummy temperature read?

Besides , does it need to add pull-up resistor into the SPI signal path?

http://www.analog.com/media/en/technical-documentation/data-sheets/AD7814_Anomaly.pdf

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