MSP430FR5043: How to use 'LEACMD__SCALEDFIR'

Part Number: MSP430FR5043


Tool/software:

Hi TI team,

I don't know how to use lea command (LEACMD__SCALEDFIR).

     question 1: Which variable should I assign Scale factor SF to? 

     question 2: What does the data format of Zn in the output result mean, and how should it be converted to a floating-point number?

     I need an example to help me understand this command  (LEACMD__SCALEDFIR).

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