Hi I am doing my final year project on battery management system using the LTC6802 LTC6802 and Silicon lab s MCU C8051F340 C8051F340. I tried to test out the SPI data connection between the chip and MCU but all I obtained was 0xFF when i tried to read the config data RDCFG. I am using a 12V lead acid cell with voltage dividers to simulate 4 cells of around 3V each to power the chip. Is there anything additional that I have to connect in order to test out if the SPI link is working? I have attached my circuit for the LTC6802 LTC6802 below Thanks Benson

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