References
[ETSI_TS]
ETSI TS 102 606-1 v1.2.1 https://www.etsi.org/deliver/etsi_ts/102600_102699/10260601/01.02.01_60/ts_10260601v010201p.pdf
[ETSI_EN]
ETSI EN 302 307-1 v1.4.1 https://www.etsi.org/deliver/etsi_en/302300_302399/30230701/01.04.01_60/en_30230701v010401p.pdf
[IEEE_802.3]
IEEE 802.3 annex 31B
[SEM]
AMD Ultrascale SEM core https://docs.amd.com/r/en-US/pg187-ultrascale-sem/Introduction