μ
PD720231
7.
How to Connect to External Elements
R19UH0094EJ0100 Rev 1.00
Page 25 of 30
Mar 1, 2013
7.2
Upstream Port Connection
Figure 7-1. USB Upstream Port Connection
Remark
The maximum capacitance that can be placed on VBUS line should be less than 10
μ
F for the
inrush current limiting requirement specified by USB3.0 specification. Please see section 11.4.4.1
in USB3.0 specification for details.
9
4
3
2
1
8
7
6
5
µPD720231
USB3.0 signals
U3RXP
U3RXN
U3TXP
U3TXN
U2DP
U2DM
SSRX+
SSRX-
SSTX+
SSTX-
D+
D-
VBUS
GND
VBUS
GND
0.1µF
0.1µF
Less than
10 µF
USB2.0 signals
9
8
7
6
5
4
3
2
1