OMAP5910JZZG2 Datasheet, PDF (157/171 Pages) Texas Instruments – This document has been reviewed for technical accuracy; the technical content is up-to-date as of the specified release date and includes the following changes

Electrical Specifications
5.15 Universal Serial Bus (USB) Timings
All OMAP5910 USB interfaces are compliant with the Universal Serial Bus Specification, Revision 2.0.
Table 5--31 assumes testing over recommended operating conditions (see Figure 5--34).
Table 5--31. USB Integrated Transceiver Interface Switching Characteristics
NO.
PARAMETER
U1 t_r
Rise time, USB.DP and USB.DM signals^†
U2 t_f
Fall time, USB.DP and USB.DM signals^†
U3 t_RFM
Rise/Fall time matching^‡
U4 V_CRS
Output signal cross-over voltage^†
U5 t_jr
Differential propagation jitter^§
U6 f_op
Operating frequency^¶
† _{Low Speed: CL = 200 pF, Full Speed: CL = 50 pF}
‡ _{tRFM = (tr/tf) x 100}
§ _{tjr = tpx(1) -- tpx(0)}
¶ _{fop = 1/tper}
LOW SPEED
1.5 Mbps
MIN
MAX
75^†
300^†
75^†
300^†
80^‡
125^‡
1.3^†
2.0^†
--25^§
25^§
1.5
FULL SPEED
12 Mbps
MIN
MAX
4^†
20^†
4^†
20^†
90^‡ 111.11^‡
1.3^†
2.0^†
--2^§
2^§
12
UNIT
ns
ns
%
V
ns
MHz
REF clock^†
USB.DM
V_CRS
USB.DP
t_px(0)
V_OH
V_OL
t_{per --} t_jr
90%
10%
t_px(1)
U1
U2
† _{“REF clock” is not an actual device signal, but an ideal reference clock against which relative timings are specified. REF clock is assumed to be}
12 MHz for full-speed mode or 1.5 MHz for low-speed mode).
Figure 5--34. USB Integrated Transceiver Interface Timings
August 2002 -- Revised August 2004
SPRS197D 157