MCC MIIC-201 User Manual

User’s Guide

Windows to I2C Bus Host Adapter

with iPort Utility Pack Software

www.mcc-us.com

Introduction

The MCC iPort (#MIIC-201) Windows to I2C Host
Adapter, when used with appropriate Windows
application software, allows a PC to become an I
Master or Slave device, transmitting or receiving I
messages between the PC and one or more I
devices across an I

2

C Bus.

This user’s guide describes the installation and
operation of the iPort (#MIIC-201) Windows to I

2

C

2

C

2

C

2

C

Host Adapter and iPort Utility Pack Software for
Windows.

MCC products are licensed to use the I²C Bus.

Purchase of Philips I²C components conveys a license under the Philips’ I²C patent to use the
components of the I²C system, provided the system conforms to the I²C specifications
defined by Philips.

I²C is a trademark of Philips Corporation.

Table of Contents

Part 1

Windows to I2C Bus Host Adapter

Overview ........................................................1

iPort Adapter................................................. 2

iPort Utility Pack Software ......................................2

iPort Software Development Kit for Windows (optional) ..............2

Packing Slip .....................................................2

System Requirements .............................................2

Interconnects .................................................... 3

RS-232 Serial Port Connector ................................... 3

DB-25 Serial Port Pinout .......................................3

DB-9 Serial Port Pinout ........................................ 3

+5VDC Power Jack ...........................................4

2

C Interface Connector ........................................ 4

I

Hardware Configuration ..........................................5

Pull-up Resistors.............................................. 5

Connecting to a 3.3v System ........................................5

Connecting to an SMBus System .................................... 5

Hardware Set-Up ................................................. 5

Part 2

iPort Utility Pack For Windows

Introduction to Utility Pack ........................................ 7

iPort Message Center .......................................... 7

iPort Message Manager ........................................8

System Requirements .............................................9

Software Installation ..............................................9

Introduction to Message Center ....................................10

2

C Message Operations .......................................11

I

Introduction to Message Manager .................................. 14

2

C Message Operations .......................................15

I

Basic Set-up............................................ 16

Advanced Set-up ........................................ 17

Diagnostic Set-up .......................................18

Sending Messages ............................................... 19

Master Operations............................................19

To Master Transmit Data..................................19

To Master Receive Data ..................................20

Slave Operations............................................. 21

To Slave Transmit a message ..............................21

To Slave Receive a message: ..............................21

Uninstalling iPort Utility Pack .....................................21

Software License Agreement ......................................22

Appendix A ..................................................... 24

Part 1

Model MIIC-201

Windows to I

Adapter

2

C Bus Host

Windows to I2C Bus Host Adapter

Overview

Model MIIC-201

User’s Guide

The MCC
used with appropriate Windows application software, allows a PC
to become an I

2

C messages between the PC and one or more I2C devices

I
across an I

iPort

2

C Bus.

(#MIIC-201) Windows to I2C Host Adapter, when

2

C Master or Slave device, transmitting or receiving

Product Features:

•

•

•

•

•

Turn your Windows-Based PC’s Serial Port into an I2C Port.
Get on the I2C Bus in Seconds.
Supports Bus Master and Slave, Transmit and Receive.
Includes our I2C Message Manager and Message Center

Windows Applications.
Compatible with 3.3v to 5V I2C at up to 100Kbps.

•

Build your own custom I2C applications with our I2C Software
Development Kit.

1

The iPort system consists of the following components:

1. iPort Adapter
This adapter plugs into an RS-232 Port on a Windows-based

2

PC and generates I

iPort Utility Pack Software

2.

C Bus signals.

This software package, included with each iPort, includes the
iPort Message Manager and Message Center applications to

2

easily send and receive I

iPort Software Development Kit for Windows

3.

C Bus messages.

This optional software package includes, the iPort DLL
(Dynamic Linked Library), a programmer’s guide, and sample
programs. This package is needed if you are developing a
custom Windows software application for the iPort adapter.

Packing Slip

This package includes the following items:

• iPort (#MIIC-201) Windows to I

2

• 4 Foot I

C Interface Cable. (CAB4)

• Serial Port Cable, 9F/25M, 1 Foot Long (#C9F25M1)

• iPort User’s Guide.

• iPort Utility Pack for Windows software diskette.

• Power Supply

Standard 120VAC, 60Hz, USA Plug (#MWT-5VA)
European 220VAC, 50Hz, European Plug (#MWT-5VAE)
International 120/220/240VAC, 50-60Hz, Int.Plug selection
(#MWT-5VAI)

2

C Host Adapter.

System Requirements

a. Host computer with Windows 95 or higher
b. 1 free RS-232 Serial Port

2

Interconnects

The I2C Bus Host Adapter includes three interconnections:

RS-232 Serial Port Connector

1. RS-232 Serial Port Connector

This connector provides connection to the serial port on the PC.
Use the #C9F25M1 cable to adapt the iPort to 9-pin serial ports.

DB-25 Serial Port Pinout

DB-25 Pin 2, Transmit Data from the Host Computer to the iPort
DB-25 Pin 3, Receive Data from the iPort to the Host Computer.
DB-25 Pin 4, Request to Send from the Host Computer to iPort.
DB-25 Pin 5, Clear to Send from the iPort to the Host Computer.
DB-25 Pin 7, Ground between Host Computer and iPort

DB-9 Serial Port Pinout

iPort implements the RS-232 interface using the following pins:

DB-9 Pin 3, Transmit Data from the Host Computer to the iPort
DB-9 Pin 2, Receive Data from the iPort to the Host Computer.
DB-9 Pin 7, Request to Send from the Host Computer to iPort.
DB-9 Pin 8, Clear to Send from the iPort to the Host Computer.
DB-9 Pin 5, Ground between Host Computer and iPort

3

2. +5VDC Power Jack

The iPort Host Adapter can be powered in one of two ways, from
the power jack, or from the I

2

C interface connector. If the unit is

powered from the provided +5VDC Wall Transformer,

2

approximately 250ma of regulated +5VDC is available at the I

C

interface connector to power external devices. If the iPort is

2

powered from the I

C connector, the unit requires 50ma of

regulated +5VDC.

2

3. I

C Interface Connector

The iPort Host Adapter includes a four wire, positive locking,
modular connector (see Appendix A for more info on these parts)

2

for interfacing to an external I

C Bus. Lines provided include I2C

Clock (SCL), Data (SDA), Ground, and +5VDC.

Receptacle Connector

An I2C Interface Cable (White=SCL, Red=+5VDC, Green=SDA,
Black=Ground) is provided to connect to a external I
there is no standard I
one end of the cable and add a connector compatible with your
target system.

2

Additional I

C Interface Cables (4 ft., 8ft., or 16 ft.) and above
mentioned modular connectors are available from MCC. Clip Lead
cables are also available. (see Appendix A)

2

C Bus. Since

2

C Bus connector, you may want to cut off

4