Users Manual Part 1

SIM8260A_Hardware Design_V1.05
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reference circuit.
Figure 23: PCIe interface reference circuit (RC) for W82
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The PCIe control signal voltage domain of the module and W82 are 1.8V.

For more details about W82, please refer to Document [20] in the appendix.
Table 25: Recommended W82 list
Name
Manufacturer
Model
W82
SIMCOM
S2-10ADA
3.6.2 PCIe for RTL8125B
PCIe Gen3 lane0 can be connected to RTL8125B-TE as Ethernet data interface. SIM8260A module
serves as RC and RTL8125B-TE serves as EP. Need to pull up PCIe_CLKREQ, PCIe_WAKE, PCIe_RST
from module to 3.3V. The details design please refer to the reference circuit document. The following
figure is the PCIe reference circuit.
NOTE