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EP80579 Datasheet, PDF (1858/1916 Pages) Intel Corporation – Intel® EP80579 Integrated Processor Product Line
Intel® EP80579 Integrated Processor
49.5.5.2.3 USB LV Differential DC Characteristics
The DC electrical specifications for the LV Differential signals are described in
Table 49-32.
Table 49-32. USB LV Differential DC Characteristics (USBn[1:0], USBp[1:0])
Symbol
Parameter
Min
Max
VDI
Input Differential Input
Sensitivity
0.2
VCM
Input Differential Common
Mode Range
0.8
VSE
Input Single-Ended
Receiver Threshold
0.8
VCRS
Output Signal Crossover
Voltage
1.3
VHSSQ
Input HS Squelch Detection
Threshold
100
VHSDSC
Input HS Disconnect
Detection Threshold
525
VHSCM
VHSOI
VHSOH
Input HS Data Signaling
Common Mode Voltage
Range
Output HS Idle Level
Output HS Data Signaling
High
–50
–10.0
360
VHSOL
Output HS Data Signaling
Low
–10.0
VCHIRPJ
VCHIRPK
VOL6
VOH6
Output Chirp J Level
Output Chirp K Level
Output Low Voltage
Output High Voltage
700
–900
Vcc3_3 –
0.5
VIL4
Input Low Voltage
–0.5
VIH4
Input High Voltage
0.5(Vcc3_3)
Notes:
1.
Applies to High-speed USB 2.0
2.
Applies to Low-speed and Full-speed
3.
Includes VDI range
4.
VDI = USBp[X] - USBn[X]
2.5
2.0
2.0
150
625
500
10.0
440
10.0
1100
–500
0.4
0.3(Vcc3_3)
Vcc3_3 + 0.5
Unit
V
V
V
V
mV
mV
mV
mV
mV
mV
mV
mV
V
V
V
V
IOL/IOH
5 mA
-2 mA
Notes
1,2, 4
1, 2, 3
1, 2
2
1
1
1
1
1
1
1
1
2
2
Intel® EP80579 Integrated Processor Product Line Datasheet
1858
August 2009
Order Number: 320066-003US