Intel Enpirion EM2COMIF User manual

Intel Enpirion EM2COMIF User

Guide

1 Introduction to EM2COMIF

The Intel Enpirion dongle (EM2CONIF) is to support interaction between the Internal Enpirion Digital

Power Configurator and supported Digital Modules. The dongle interfaces between a USB port on a

host computer to an Intel Enpirion Digital Power Module mounted on a printed circuit board. The

dongle communicates from the host computer to a standard 10-pin header connected to the Digital

module. You can use the dongle to iteratively read-back or download configuration data to a module

during prototyping or debug though the GUI.

1.1 Supported Devices and Host Systems

You can use the EM2COMIF with supported Intel® ENPIRION Digital Power Modules and

host systems using Intel® ENPIRION Digital Power Configurator

Table 2. Supported Devices and Host Systems

Digital Modules Host operating System

EM21xx series Windows

EM22xx series

2 Specifications for EM2COMIF

The EM2COMIF dongle has a universal USB connector that plugs into the PC USB port,

and a female connector that plugs into a male header on the device board. This

section shows the hardware components, their dimensions, and lists the pins,

operating conditions and power requirements.

2.1 Block Diagram and Dimension

Figure 2. Dimension of the EM2COMIF

2.2 Cable-to-Board Connection

The EM2COMIF has a 10-pin female connector, which plugs into a 10-pin male header on the device

board. The male header consists of two rows of five pins, which are connected to the programming

or configuration pins of the device. The PIN 1 side of the header is indicated through a color s stripe

on the ribbon cable.

A 10-pin surface mount header can be used for the download cable. However, Intel® recommends

using a through-hole connector in the event of the repeated insertions and removals.

Figure 3. Connectors and Dimensions

Dimensions are in inches

2.3 Pin Description

The following table lists the pins of the EM2COMIF female plug and describes their functions.

Table 3. Signal Names of the EM2COMIF Female Plug

Pin Signal Name Description

GND

Signal ground.

SCL

PMBus Clock signal.

GND

Signal ground.

SDA

PMBus Data signal.

GND

Signal ground.

SALERT

Supports interaction with GUI on SALERT pin for Evaluation Boards. (Not

required for PMBus communications)

POK

Supports interaction with GUI on POK pin for Evaluation Boards. (Not

required for PMBus communications)

Control

Supports interaction with GUI on Control pin for Evaluation Boards. (Not

required for PMBus communications)

Not used

Not used - Do not connect to anything

Not used

Not used - Do not connect to anything

The EM2CONIF is powered through the USB 5V supply. The SCL, SDA & SALERT pins are pulled up

internally to a 3.3V supply via 4.7kΩ resistors. A pull-down resistor of 4.7kΩ is connected internally

between the POK and ground. A pull-down resistor of 4.7kΩ is also connected internally between the

Control pin and ground.

For PMBus communications only three pins are required to be connected, SCL, SDA and a ground pin.

Side View

Top

View

10-

pin Male Header

(Device Board)

pin Female Connector

3 Using the EM2COMIF

To start using the EM2COMIF, you must install the Intel Enpirion Digital Power Configurator on your

system.

To program or configure a module device, connect the host system to the device board using the

EM2COMIF and the GUI should then connect automatically. Please refer to the INTEL Enpirion Digital

Power Configurator for further information.

For PMBus communications only three pins are required to be connected, SCL, SDA and a ground pin.

4 Regulatory Compliance

The Class A Product: Intel® Enpirion dongle (EM2CONIF) comply with Part 15 of the FCC Rules. Operation is subject

to the following two conditions.

1. This device many not cause harmful interference.

2. This device must accept the interference received, including interference that cause undesired operation.

Hereby, Intel Corporation declares that the equipment type Intel Enpirion dongle (EM2CONIF) is in compliance with

Directives 2014/30/EU, 2014/35/EU and 2011/65/EU.

The full text of the EU

declaration of conformity is available at the following internet address with a search for the model

number:

https://www-ssl.intel.com/content/www/us/en/declaration-of-conformity/cprs-doc/homepage.html

Ecology Markings

5 Revision History for EM2CONIF User Guide

Date Version Changes

May 2018 1.0 1. Initial Revision

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