ZHCSII1F June 2016 – May 2019 DRA710 , DRA712 , DRA714 , DRA716 , DRA718
PRODUCTION DATA.
The PCIe specification requires polarity inversion support. This means for layout purposes, polarity is unimportant because each signal can change its polarity on die inside the chip. This means polarity within a lane is unimportant for layout.