Hello @piaochunri ,
I’m assuming you are using the RDB3 board. Then the 32 bits (0 – 31) you see in the excel file represent the 4 dip switches present in your board:
alejandro_e_0-1727390519595.jpeg
You can check the schematic to see the order of the bytes [page 32, S32G-VNP-RDB3, SPF-53060.pdf] available in deseing files section of the S32G-VNP-RDB3 product page:
alejandro_e_8-1727390728840.png
You can check the User Guide to learn more about the different switch configurations [Starting in page 3, Chapter 3, S32G-VNP-RDB3 Switch Setting, S32G-VNP-RDB3 User Guide, Rev. 1.0, 03/2023] available in de documentation section of the S32G-VNP-RDB3 product page:
alejandro_e_2-1727390519797.png
alejandro_e_3-1727390519958.png
alejandro_e_4-1727390520109.png
alejandro_e_5-1727390520248.png
alejandro_e_6-1727390520393.png
alejandro_e_7-1727390520506.png
Let me know if this information solved your question.