MV78200 Datasheet, PDF (116/128 Pages) –

MV78200
Hardware Specifications
9.7.4
USB Interface Electrical Characteristics
9.7.4.1
USB Driver and Receiver Characteristics
Table 64: USB Low Speed Driver and Receiver Characteristics
Low Speed
Baud Rate
Baud rate tolerance
De s cr iption
Ouput single ended high
Ouput single ended low
Output signal crossover voltage
Data fall time
Data rise time
Rise and fall time matching
Source jitter total: to next transition
Source jitter total: for paired transitions
Input single ended high
Input single ended low
Differential input sensitivity
Sym bol
BR
Bppm
Driver Parameters
VOH
VOL
VCRS
TLR
TLF
TLRFM
TUDJ1
TUDJ2
Receiver Parameters
VIH
VIL
VDI
M in
M ax
1.5
-15000.0 15000.0
2.8
0.0
1.3
75.0
75.0
80.0
-95.0
-150.0
3.6
0.3
2.0
300.0
300.0
125.0
95.0
150.0
2.0
-
-
0.8
0.2
-
Units
Mbps
ppm
V
V
V
ns
ns
%
ns
ns
V
V
V
Note s
-
-
1
2
3
3, 4
3, 4
-
5
5
-
-
-
Note s :
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 w ith 1.425 kilohm pull-up resistor to 3.6V.
2. Defined w ith 14.25 kilohm pull-dow n resistor to ground.
3. See "Data Signal Rise and Fall Time" w aveform.
4. Def ined f rom 10% to 90% f or rise time and 90% to 10% f or f all time.
5. Including frequency tolerance. Timing difference betw een the differential data signals.
Defined at crossover point of differential data signals.
MV-S104671-U0 Rev. C
Page 116
Document Classification: Proprietary Information
Copyright © 2008 Marvell
December 6, 2008, Preliminary