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| TUSB1310 Datasheet, PDF (26/36 Pages) Texas Instruments – USB 3.0 Transceiver Data Manual | |||
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TUSB1310
SLLSE16B â DECEMBER 2009 â REVISED JUNE 2010
5 DESIGN GUIDELINES
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5.1 Chip Connection on PCB
Components should be placed close to the TUSB1310 to reduce the trace length of the interface between
the components and the TUSB1310. If external capacitors can not accommodate a close placement,
shielding to ground is recommended.
USB Connector
4 .7nF
CEXTSS
VSSA
JTAG
JTAG
Crystal
Connection
XI
VSSOSC
XO
PIPE RX
DP
DM
VBUS
R1EXT
R1EXTRTN
CEXT
VSSA
90.9KW ± 1 %
10KW ± 1%
10KW ± 1 %
4.7 nF
PIPE TX
ULPI
Link Controller
Figure 5-1. Analog Pin Connections
5.1.1 USB Connector Pins Connection
Differential pair signals, DP/DM, SSTXP/SSTXN, SSRXP/SSRXN, should be kept as short as possible.
The differential pair traces should be trace-length matched and parallelism should be maintained. They
also need to minimize vias and corners and should avoid crossing plane splits and stubs.
Figure 5-2 and Figure 5-3 are for visual reference only.
26
DESIGN GUIDELINES
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Product Folder Link(s): TUSB1310
Copyright © 2009â2010, Texas Instruments Incorporated
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