Yep, I started with these very same threads. They existed prior to the newest TRM (103). So I am still in search of the missing dimensions.
Here's Figure 9 and 14 from the previous TRM102. These are not the same figures as those in TRM103. I will ask the gentleman that updated the TRM to comment.
Can you clarify the exact changes you are questioning in the new Figure 9 and 14? It appears that the entire PCB/Layout section was updated in the new TRM.
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- The larger ground plane shown on fig 9 is 147x140 mil.
- For the minimum ground plane, I don't have the dimensions of the I2C ground area - But will find out.
- The ground plane that covers the 4 ground pads is 63x57 mil.
Let me know if this helps.