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TME-CEM-ECO2-Rev0V4.doc Rev 0.4 Page 11

3.5 Ethernet Controller

MAC Type: PCH internal Gigabit Ethernet Media Access Controller

Manufacturer: Intel

Connection: RGMII

An Ethernet PHY is needed on the carrier board. A recommended device is the Realtek RTL8211CL

Gigabit Ethernet transceiver.

The data transfer between MAC and PHY is via the Reduced Gigabit Media Independent Interface

(RGMII) for 1000Base-T, 10Base-T and 100Base-T.

3.6 SATA Ports

There are 2 SATA (Serial Advanced Technology Attachment) Generation 2 (up to 3.0 Gbps) ports

provided by the PCH EG20T.

3.7 USB 2.0 Ports

The PCH EG20T provides 6 USB 2.0 ports and a USB client port.

3.8 Audio Interface

Only the HDA-LINK will be routed to the CoreExpress connector.

3.9 SDIO Interface

The PCH EG20T provides an 8 Bit SDIO interface.

3.10 CAN-Bus Interface

A CAN-bus 2.0B interface with up to 1Mbps is available. A transceiver is still needed to be placed on

the baseboard.

3.11 On Board Power Supply

The on board power supply generates all necessary voltages from the single supply voltage of 5 volts

DC.

3.12 External Power-Button

The board has a power button support to initiate transition from S4/S5 to S0.

3.13 Reset-In Signal

The board has a reset button support to restart the system.

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