PCM-072/phyCORE-AM64xx System on Module
L-860e.A0
© PHYTEC America L.L.C. 2022
72
Table 39 phyCORE-AM64xx SERDES0 Layout Characteristics
Signal Name
Length (µm)
Length
Matching
(µm)
Single Ended
Impedance (Ω)
Differential
Impedance (Ω)
SOM
Trace
Max Total
Max CB
Trace
X_SERDES0_TX0_N
4692
101600
96908
127
50
100
X_SERDES0_TX0_P
4680
101600
96920
50
X_SERDES0_RX0_N
6159
101600
95441
127
50
100
X_SERDES0_RX0_P
6160
101600
95440
50
7.8.3 USB Reference Circuits
Example reference circuits for connecting the SERDES differential signals and USB0 signals to a HUB and then connecting
the HUB to a USB 3.1 connector are shown below.
Figure 26. USB-HUB Reference Schematic