SLLA643 August 2024 MCF8315C , MCF8315C-Q1 , MCF8316C-Q1
For high performance applications, to avoid noise coupling between power and signal grounds, two ground planes can be used. Use one ground for AGND, DGND and GND_BK and another ground for PGND. Refer to Figure 5-5 and Figure 5-6 for a sample schematic and layout for a single ground plane PCB.