MV78100
Hardware Specifications
Table 60: USB High Speed Driver and Receiver Characteristics
High Speed
Min Max
Description
Symbol
BR
Units
Mbps
ppm
Notes
Baud Rate
480.0
-500.0
-
-
Baud rate tolerance
Bppm
500.0
Driver Parameters
Data signaling high
Data signaling low
Data rise time
VHSOH
VHSOL
THSR
360.0
-10.0
500.0
500.0
440.0
mV
mV
ps
-
10.0
-
-
-
1
1
2
Data fall time
THSF
ps
Data source jitter
See note 2
Receiver Parameters
Differential input signaling levels
Data signaling common mode voltage range
Receiver jitter tolerance
See note 3
-50.0 500.0
See note 3
3
-
VHSCM
mV
3
Notes :
General Comment: For more information, refer to Universal Serial Bus Specification, Revision 2.0, April 2000.
General Comment: The load is 100 ohm differential for these parameters, unless otherw ise specified.
General Comment: To comply w ith the values presented in this table, refer to your local
Marvell representative for register settings.
1. Defined from 10% to 90% for rise time and 90% to 10% for fall time.
2. Source jitter specified by the "TX eye diagram pattern template" figure.
3. Receiver jitter specified by the "RX eye diagram pattern template" figure.
9.7.4.2
USB Interface Driver Waveforms
Figure 42: Low/Full Speed Data Signal Rise and Fall Time
Rise Time
Fall Time
90%
90%
VCRS
10%
10%
Differential
Data Lines
TR
TF
MV-S104552-U0 Rev. D
Page 114
Copyright © 2008 Marvell
Document Classification: Proprietary Information
December 6, 2008, Preliminary
MARVELL [ MARVELL TECHNOLOGY GROUP LTD. ]
