OMAP3503DCBBA Datasheet, PDF (219/264 Pages) Texas Instruments – OMAP3515 and OMAP3503 Applications Processors

OMAP3515, OMAP3503
www.ti.com
SPRS505H – FEBRUARY 2008 – REVISED OCTOBER 2013
Table 6-88. Low-/Full-Speed USB Switching Characteristics – Unidirectional TLL 6-pin Mode
NO.
FSUT3
FSUT4
FSUT5
FSUT6
FSUT7
t_d(TXENH-DPV)
t_d(TXENH-DMV)
t_d(DPI-TXENL)
t_d(DMI-TXENL)
t_s(DP-DM)
FSUT8 t_s(DP,DM-RCV)
t_R(rxrcv)
t_F(rxrcv)
t_R(dp)
t_F(dp)
t_R(dm)
t_F(dm)
PARAMETER
Delay time, mmx_txen_n high to mmx_rxdp valid
Delay time, mmx_txen_n high to mmx_rxdm valid
Delay time, mmx_rxdp invalid mmx_txen_n low
Delay time, mmx_rxdm invalid mmx_txen_n low
Skew between mmx_rxdp and mmx_rxdm
transition
Skew between mmx_rxdp, mmx_rxdm, and
mmx_rxrcv transition
Rise time, mmx_rxrcv
Fall time, mmx_rxrcv
Rise time, mmx_rxdp
Fall time, mmx_rxdp
Rise time, mmx_rxdm
Fall time, mmx_rxdm
1.15 V
MIN
MAX
81.8
84.8
81.8
84.8
81.8
81.8
1.5
1.5
4
4
4
4
4
4
1.0 V
MIN
MAX
81.8
84.8
81.8
84.8
81.8
81.8
1.5
1.5
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_rxdp
mmx_rxdm
mmx_rxrcv
Transmit
FSUT3
FSUT4
FSUT7
FSUT8
FSUT5
FSUT6
Receive
FSUT1
FSUT1
In mmx, x is equal to 0, 1, or 2.
Figure 6-46. Low-/Full-Speed USB – Unidirectional TLL 6-pin Mode
FSUT2
FSUT2
030-083
6.6.3.5 Multiport Full-Speed Universal Serial Bus (USB) – Bidirectional TLL 4-pin Mode
Table 6-90 and Table 6-91 assume testing over the recommended operating conditions (see Figure 6-47).
Table 6-89. Low-/Full-Speed USB Timing Conditions – Bidirectional TLL 4-pin Mode
TIMING CONDITION PARAMETER
Input Conditions
t_R
t_F
Output Conditions
Input signal rise time
Input signal fall time
C_LOAD
Output load capacitance
VALUE
2
2
15
UNIT
ns
ns
pF
Copyright © 2008–2013, Texas Instruments Incorporated
TIMING REQUIREMENTS AND SWITCHING CHARACTERISTICS 219
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