ZHCSII1F June 2016 – May 2019 DRA710 , DRA712 , DRA714 , DRA716 , DRA718
PRODUCTION DATA.
Although the impedance of a ground plane is low it is, of course, not zero. Therefore, any noise current in the ground plane causes a voltage drop in the ground.
Figure 7-36 shows the grounding scheme for high-frequency clock.