OMAP4430 Datasheet, PDF (336/443 Pages) Texas Instruments – Multimedia Device

OMAP4430
Public Version
SWPS041D – DECEMBER 2010 – REVISED JANUARY 2012
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Table 6-152. Low- / Full-Speed USBB2 Timing Requirements—Bidirectional Standard 4-pin Mode—1.8
V⁽¹⁾⁽²⁾
NO.
PARAMETER
OPP100
OPP50
MIN
MAX
MIN
MAX
FSU10
t_d(DAT,SE0)
Time duration, usbb2_mm_txdat and
usbb2_mm_txse0 low together during
transition
14.0
14.0
FSU11
t_d(DAT,SE0)
Time duration, usbb2_mm_txdat and
usbb2_mm_txse0 high together during
transition
8.0
8.0
FSU12
t_d(RCVU0)
Time duration, usbb2_mm_rxrcv undefined
during a Single End 0 (usbb2_mm_txdat and
14.0
14.0
usbb2_mm_txse0 low together)
FSU13
t_d(RCVU1)
Time duration, usbb2_mm_rxrcv undefined
8.0
8.0
during a Single End 1 (usbb2_mm_txdat and
usbb2_mm_txse0 high together)
(1) See DM Operating Condition Addendum for CORE OPP voltages.
(2) Low-Speed mode is a subset of the Full-Speed mode and it is expected to work at low bandwidth (1.5Mb/s).
UNIT
ns
ns
ns
ns
Table 6-153. Low- / Full-Speed USBB2 Switching Characteristics—Bidirectional Standard 4-pin Mode—1.8
V⁽¹⁾⁽²⁾
OPP100
OPP50
NO.
PARAMETER
MIN
MAX
MIN
MAX
FSU14 t_{d(TXENL-DATV)}
Delay time usbb2_mm_txen low to
usbb2_mm_txdat valid
81.8
84.8
81.8
84.8
FSU15 t_{d(TXENL-SE0V)}
Delay time usbb2_mm_txen low to
usbb2_mm_txse0 valid
81.8
84.8
81.8
84.8
FSU16 t_sk(DAT-SE0)
Skew between usbb2_mm_txdat and
usbb2_mm_txse0 transition
1.5
1.5
FSU17 t_{d(DATV-TXENH)}
Delay time, usbb2_mm_txdat invalid before
usbb2_mm_txen high
81.8
81.8
FSU18 t_{d(SE0V-TXENH)}
Delay time, usbb2_mm_txse0 invalid before
usbb2_mm_txen high
81.8
81.8
(1) See DM Operating Condition Addendum for CORE OPP voltages.
(2) Low-Speed mode is a subset of the Full-Speed mode and it is expected to work at low bandwidth (1.5Mb/s).
UNIT
ns
ns
ns
ns
ns
usbb2_mm_txen
usbb2_mm_txdat
usbb2_mm_txse0
FSU14
Transmit
FSU15
FSU16
FSU17
FSU18
Receive
FSU10
FSU11
FSU10
FSU11
usbb2_mm_rxrcv
FSU12
FSU13
SWPS040-138
Figure 6-91. Low- / Full-Speed USBB2—Bidirectional Standard 4-pin Mode—1.8 V
6.6.8.4.2 Low- / Full-Speed USBB2 (FSUSB)—Bidirectional Standard 4-pin TLL Mode
Table 6-155 and Table 6-156 assume testing over the recommended operating conditions and electrical
characteristic conditions below (see Figure 6-92).
336 Timing Requirements and Switching Characteristics
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