Hi rajesh_s,
1.See schematic you provided, you used BHI260AP shuttle board3.0 https://www.bosch-sensortec.com/media/boschsensortec/downloads/shuttle_board_flyer/application_board_3_1/bst-bhi260ap-sf000.pdf 2,3.If you would like to use mag sensor and load firmware via RAM, you can run example code https://github.com/boschsensortec/BHY2-Sensor-API/blob/master/examples/euler/euler.c with BHI260AP_aux_BMM150 firmware. And ensure that FIFO data is read in a timely manner.
... View more