OMAP3515_17 Datasheet, PDF (220/263 Pages) Texas Instruments – Applications Processors

OMAP3515, OMAP3503
SPRS505H – FEBRUARY 2008 – REVISED OCTOBER 2013
www.ti.com
Table 6-90. Low-/Full-Speed USB Timing Requirements – Bidirectional TLL 4-pin Mode
NO.
FSUT9 t_d(DAT,SE0)
FSUT10 t_d(DAT,SE0)
PARAMETER
Time duration, mmx_txdat and mmx_txse0 low
together during transition
Time duration, mmx_tsdat and mmx_txse0 high
together during transition
1.15 V
MIN
MAX
14
8
1.0 V
MIN
MAX
14
8
UNIT
ns
ns
Table 6-91. Low-/Full-Speed USB Switching Characteristics – Bidirectional TLL 4-pin Mode
NO.
FSUT11
FSUT12
FSUT13
t_{d(TXENL-DATV)}
t_{d(TXENL-SE0V)}
t_s(DAT-SE0)
FSUT14 t_s(DP,DM-RCV)
FSUT15
FSUT16
t_{d(DATI-TXENL)}
t_{d(SE0I-TXENL)}
t_R(rcv)
t_F(rcv)
t_R(dat)
t_F(dat)
t_R(se0)
t_F(se0)
PARAMETER
Delay time, mmx_txen_n active to mmx_txdat valid
Delay time, mmx_txen_n active to mmx_txse0 valid
Skew between mmx_txdat and mmx_txse0
transition
Skew between mmx_rxdp, mmx_rxdm, and
mmx_rxrcv transition
Delay time, mmx_txse0 invalid to mmx_txen_n Low
Delay time, mmx_txdat invalid to mmx_txen_n Low
Rise time, mmx_rxrcv
Fall time, mmx_rxrcv
Rise time, mmx_txdat
Fall time, mmx_txdat
Rise time, mmx_txse0
Fall time, mmx_txse0
1.15 V
MIN
MAX
81.8
84.8
81.8
84.8
1.5
1.5
81.8
81.8
4
4
4
4
4
4
1.0 V
MIN
MAX
81.8
84.8
81.8
84.8
1.5
1.5
81.8
81.8
4
4
4
4
4
4
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
mmx_txen_n
mmx_txdat
mmx_txse0
mmx_rxrcv
FSUT11
FSUT12
Transmit
FSUT13
FSUT14
FSUT15
FSUT16
Receive
FSUT9
FSUT9
In mmx, x is equal to 0, 1, or 2.
Figure 6-47. Low-/Full-Speed USB – Bidirectional TLL 4-pin Mode
FSUT10
FSUT10
030-084
6.6.3.6 Multiport Full-Speed Universal Serial Bus (USB) – Bidirectional TLL 3-pin Mode
Table 6-93 and Table 6-94 assume testing over the recommended operating conditions (see Figure 6-48).
Table 6-92. Low-/Full-Speed USB Timing Conditions – Bidirectional TLL 3-pin Mode
TIMING CONDITION PARAMETER
Input Conditions
t_R
t_F
Output Conditions
Input signal rise time
Input signal fall time
VALUE
2
2
UNIT
ns
ns
220 TIMING REQUIREMENTS AND SWITCHING CHARACTERISTICS
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