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USB3290 数据表(PDF) 33 Page - SMSC Corporation

部件名 USB3290
功能描述  Small Footprint Hi-Speed USB 2.0 Device PHY with UTMI Interface
PDF  46 Pages
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制造商  SMSC [SMSC Corporation]
网页  http://www.smsc.com
标志 SMSC - SMSC Corporation

USB3290 数据表(HTML) 33 Page - SMSC Corporation

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Small Footprint Hi-Speed USB 2.0 Device PHY with UTMI Interface
Datasheet
SMSC USB3290
33
Revision 1.5 (11-02-07)
DATASHEET
Notes:
T0 may occur to 4ms after HS Reset T0.
The SIE must assert the Chirp K for 66000 CLKOUT cycles to ensure a 1ms minimum duration.
Figure 8.3 HS Detection Handshake Timing Behavior (FS Mode)
Table 8.6 HS Detection Handshake Timing Values (FS Mode)
TIMING
PARAMETER
DESCRIPTION
VALUE
T0
HS Handshake begins. DP pull-up enabled, HS
terminations disabled.
0 (reference)
T1
Device enables HS Transceiver and asserts Chirp
K on the bus.
T0 < T1 < HS Reset T0 + 6.0ms
T2
Device removes Chirp K from the bus. 1ms
minimum width.
T1 + 1.0 ms < T2 <
HS Reset T0 + 7.0ms
T3
Earliest time when downstream facing port may
assert Chirp KJ sequence on the bus.
T2 < T3 < T2+100µs
T4
Chirp not detected by the device. Device reverts to
FS default state and waits for end of reset.
T2 + 1.0ms < T4 <
T2 + 2.5ms
T5
Earliest time at which host port may end reset
HS Reset T0 + 10ms



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