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12 ethernet interfaces, Figure 4-8, Dip multiplexed for pcie direction status – Artesyn COMX-CORE Series Installation and Use (August 2014) User Manual

Page 74: Figure 4-9, Pci-e multiplexed direction status, Ethernet interfaces

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Functional Description

COMX-CORE Series Installation and Use (6806800K11F)

74

4.12 Ethernet Interfaces

The COMX-CORE Series provides a 10/100/1000Base-T GbE port based on WG82577LM that
connects to the COM Express connector. The clock is provided by the Ibex Peak-M's different
clock port CLKOUT_PEG_B. There are two types of power supply requirements for
WG82577LM: 3.3 V and 1.05 V. The fourth PCIe port is multiplexed with Intel WG82577LM
PHY and the COM Express connector. The PCIe multiplex direction is controlled by GPIO36.

Figure 4-8

DIP Multiplexed for PCIE direction Status

Figure 4-9

PCI-E Multiplexed Direction Status