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