3 module description, 1 processor, 2 platform controller hub – ADLINK CoreExpress-ECO2 User Manual

Page 13: 3 watchdog, Module description, Processor, Platform controller hub, Watchdog

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TME-CEM-ECO2-Rev0V4.doc

Rev 0.4

Page 9

3 Module Description

3.1 Processor

There are several ATOM E6xx processor (formerly TunnelCreek) models available with the
CoreExpress-ECO2:

Intel ATOM processor E620 0.6 GHz

Intel ATOM processor E640 1.0 GHz

Intel ATOM processor E660 1.3 GHz

Intel ATOM processor E680 1.6 GHz

Some of the key features of this processor architecture are:

The Intel ATOM processor E6xx processor is built using 45-nanometer process technology.

Integrated Graphics Engine (SDVO, LVDS)

Memory Controller (32 bit)

Video Engine (H.264, H.263, MPEG2, MPEG4, VC1, WMV9)

High Definition Audio Interface

4x PCI Express x1 lanes (V 1.1)

LPC, SPI, SMB, XDP

For further information, please refer to the relevant data book.

3.2 Platform Controller Hub

The Platform Controller Hub (PCH) EG20T (formerly TopCliff) provides extensive I/O support.
Functions and capabilities include i.e.:

6x USB 2.0, 1x USB client

2x SATA

1x Gigabit MAC: RGMII

1x SDIO

1x CAN

SPI, I2C

3.3 Watchdog

CoreExpress-ECO2 supports a watchdog function. This function can be configured by the LEMT tool
and let the SMC send a watchdog signal out when the configured time is reached.

The watchdog signal has no access to the module but it could be used on the carrier e.g. to reset the
module.

Watchdog signal is available on CoreExpress pin B88.

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