Datasheet
Electrical characteristics
i.MX 8QuadXPlus and 8DualXPlus Automotive and Infotainment Applications Processors, Rev. 0, 11/2018
PRELIMINARY NXP Semiconductors98
4.10.16.2 USB 2.0 PHY high-speed transmitter specifications
The following table lists the high-speed (HS) transmitter specifications for USB 2.0 PHY.
4.10.16.3 USB 2.0 PHY receiver specifications
This section describes the receiver specifications implemented in USB 2.0 PHY.
4.10.16.3.1 USB 2.0 PHY full-speed/low-speed (FS/LS) receiver specifications
Table 96. USB 2.0 PHY HS transmitter specifications
Symbol/Parameter Description Min Typ Max Units
HSOI High Speed Idle Level -10 — 10 mV
VHSTERM Termination Voltage in High Speed -10 — 10 mV
VHSOL High Speed Data Signaling Low -10 — 10 mV
VCHIRPJ Chirp J (Differential Voltage) 700 — 1100 mV
VCHIRPK Chirp K (Differential Voltage) -900 — -500 mV
ZHSDRV Driver Output Resistance 40.5 — 49.5 Ω
THSR Rise Time (10% to 90%) 100 — — ps
THSF Fall Time (10% to 90%) 100 — — ps
HS Eye Opening: Template 1 Differential eye opening at 37.5% US and 62.5% UI for a
hub measured at TP2 and for a device without a captive
cable measured at TP3.
-300 — 300 mV
HS Eye Opening: Template 2 Differential eye opening at 37.5% US and 62.5% UI for a
device with a captive cable measured at TP2.
-175 — 175 mV
HS Jitter: Template 1 Peak-Peak Jitter at Zero crossing for a hub measured at
TP2 and for a device without captive cable measured at
TP3.
—— 15 %UI
— — 312.5 ps
HS Jitter: Template 2 Peak-Peak Jitter at Zero crossing for a device with captive
cable measured at TP2.
—— 25 %UI
— — 520.83 ps
Table 97. USB 2.0 PHY FS/LS receiver specifications
Symbol Description Min Typ Max Units
VIH Input Voltage Level - High (Driven) 2 — — V
VIHZ Input Voltage Level - High (Floating) 2.7 — 3.6 V
VIL Input Voltage Level - Low — — 0.8 V
VTH Switching Threshold 0.8 — 2.0 V
VCM Common Mode Range 0.8 — 2.5 V
TJR1 Receiver Jitter Budget (Next Transition) - FS -18.5 — 18.5 ns