Datasheet
Electrical characteristics
i.MX 8QuadXPlus and 8DualXPlus Automotive and Infotainment Applications Processors, Rev. 0, 11/2018
PRELIMINARYNXP Semiconductors 99
4.10.16.3.2 USB 2.0 PHY high-speed receiver specifications
The following table lists the high-speed (HS) receiver specifications for USB 2.0 PHY.
4.10.16.3.3 USB 2.0 PHY high-speed envelope detector specifications
The following table lists the high-speed (HS) Envelope Detector Specifications of USB 2.0 PHY.
TJR2 Receiver Jitter Budget (Paired Transition) - FS -9 — 9 ns
TFEOPR Receiver EOP Interval of EOP - FS 82 — — ns
TUJR1 US Port Differential Receiver Jitter (Next Transition) - LS -152 — 152 ns
TUJR2 US Port Differential Receiver Jitter (Paired Transition) - LS -200 — 200 ns
TDJR1 DS Port Differential Receiver Jitter (Next Transition) - LS -75 — 75 ns
TDJR2 DS Port Differential Receiver Jitter (Paired Transition) - LS -45 — 45 ns
TLEOPR Receiver EOP Interval of EOP - LS 670 — — ns
Table 98. USB 2.0 PHY HS receiver specifications
Symbol/Parameter Description Min Typ Max Units
VHSCM HS RX input common mode voltage range. -50 — 500 mV
ZHSDRV HS RX input termination (Same as Driver output resistance). 40.5 — 49.5 Ω
HSRX Jitter: Template 3 HS RX Peak-Peak Jitter specification at differential zero crossing for a
device with captive cable when signal applied at TP2.
—— 20 %UI
— — 416.66 ps
HSRX Jitter: Template 4 HS RX Peak-Peak Jitter specification at differential zero crossing for a
device without captive cable at TP3 and for a hub at TP2.
—— 30 %UI
— — 625 ps
HSRX Input Eye Opening:
Template 3
HS RX differential sensitivity specification at 40% and 60% UI for a
device with captive cable when signal is applied at TP2.
-275 — 275 mV
HSRX Input Eye Opening:
Template 4
HS RX differential sensitivity specification at 35% and 65% UI for a
device without captive cable when signal is applied at TP3 and for a hub
when a signal is applied at TP2.
-150 — 150 mV
Table 99. USB 2.0 PHY HS envelope detector specifications
Symbol Description Min Typ Max Units
VHSSQ HS Squelch Detection threshold (differential signal amplitude) 100 — 150 mV
VHSDSC HS Disconnect Detection threshold (differential signal amplitude) 525 — 625 mV
Table 97. USB 2.0 PHY FS/LS receiver specifications (continued)
Symbol Description Min Typ Max Units