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MCT8316Z: Problem in reading SPI config registers

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Part Number: MCT8316Z

Hello,

We have develop a pcb for MCT8316ZR SPI version in that PCB I am able to read Registers but I am not sure all values are correct because some registers have default value and some have different. And when I have written 0x03 to register address 0x03 to unlock all registers. And I verified it by reading it back it was showing value 0x03 only. But when I read address 0x04 it was showing 0x40 instead 0x80 (default value). And When I have written 0x86 to this register and read it back then it returned 0x82. 

So, I thought to try it out on development board (MCT8316ZT dev board) first. So, I replaced the MCT8316ZT with MCT8316ZR but I am not able to read anything and even Buck output led is not even turned on when I powered it up. 

I am attaching the pic development board please check it that if I am making some mistake in changing resistors for Hardware control to SPI control. and I am also attaching the pic of Chip. Please check it that is it correct chip or not?

Regards

Imran


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