MAX96717 SPI Mode 3 Output

Question

I have set up a GMSL2 link with a MAX96716F deserialiser and MAX96717 serialiser, and am wanting to send and receive SPI commands over this link as illustrated below. 
 The I2C addresses for each device are annotated in red. 
 
 I have configured the device register settings per the script pictured below. 
 
 With serialiser register 0x172 set to 0x04 I am expecting a SPI Mode 3 output, however, when I send a sample message the SPI output appears to still be Mode 0. 
 I believe this is the case as the SPI clock idles low. 
 Refer below for an oscilloscope screenshot of a sample message, where: 
 
 Channel 1 is SCK; 
 Channel 2 is MOSI; 
 Channel 3 is MISO; and 
 Channel 4 is SS1.

Does anyone know why I am not getting a Mode 3 output? 
 Thanks.

PoornimaSubramani · Accepted Answer

Hi, 
 We are not aware much about this part, For more information, Please visit one of the technical support pages on our newly integrated website below for assistance with Maxim Integrated products. 
 EN - https://www.analog.com/en/support/technical-support.html# 
 CN - https://support.analog.com/zh-CN/technical-support/ 
 JP - https://support.analog.com/ja-JP/technical-support/

Thanks, 
 Poornima)

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MAX96717 SPI Mode 3 Output