Datasheet

Highly Integrated Full Featured Hi-Speed USB 2.0 ULPI Transceiver
Datasheet
Revision 1.0 (07-14-09) 18 SMSC USB3320
DATASHEET
High Level Output Voltage V
FSOH
Pull-down resistor on DP,
DM; Note 4.6
R
L
= 15kΩ to GND
2.8 3.6 V
Termination
Driver Output Impedance for
HS and FS
Z
HSDRV
Steady state drive 40.5 45 49.5 Ω
Input Impedance Z
INP
RX, RPU, RPD disabled 1.0 MΩ
Pull-up Resistor Impedance R
PU
Bus Idle, Note 4.5 0.900 1.24 1.575 kΩ
Pull-up Resistor Impedance R
PU
Device Receiving,
Note 4.5
1.425 2.26 3.09 kΩ
Pull-dn Resistor Impedance R
PD
Note 4.5 14.25 16.9 20 kΩ
Weak Pull-up Resistor
Impedance
R
CD
Configured by bits 4 and 5
in USB IO & Power
Management register.
128 170 212 kΩ
HS FUNCTIONALITY
Input levels
HS Differential Input
Sensitivity
V
DIHS
| V(DP) - V(DM) | 100 mV
HS Data Signaling Common
Mode Voltage Range
V
CMHS
-50 500 mV
High-Speed Squelch
Detection Threshold
(Differential Signal Amplitude)
V
HSSQ
Note 4.7 100 150 mV
Output Levels
Hi-Speed Low Level
Output Voltage (DP/DM
referenced to GND)
V
HSOL
45Ω load -10 10 mV
Hi-Speed High Level
Output Voltage (DP/DM
referenced to GND)
V
HSOH
45Ω load 360 440 mV
Hi-Speed IDLE Level
Output Voltage (DP/DM
referenced to GND)
V
OLHS
45Ω load -10 10 mV
Chirp-J Output Voltage
(Differential)
V
CHIRPJ
HS termination resistor
disabled, pull-up resistor
connected. 45Ω load.
700 1100 mV
Chirp-K Output Voltage
(Differential)
V
CHIRPK
HS termination resistor
disabled, pull-up resistor
connected. 45Ω load.
-900 -500 mV
Leakage Current
OFF-State Leakage Current I
LZ
±10 uA
Table 4.5 DC Characteristics: Analog I/O Pins (DP/DM) (continued)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS