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CY3240 USB-I2C Bridge Guide, Doc. # 001-66660 Rev.*B 5

1. Introduction

Thank you for your interest in the CY3240 USB-I2C Bridge Kit. The CY3240 USB-I2C Bridge can be

used with the Bridge Control Panel that is installed with PSoC Programmer. The kit is designed to

test, tune, and debug programs that have an I2C slave interface. This document describes the work-

ing of the CY3240 USB-I2C Bridge and includes code examples, which will help you get started with

the bridging tool. You can also develop custom programs using PERL, Python, C++, and C# lan-

guages. These custom applications allow generating complex testing, debugging, and validation

systems using PSoC Programmer.

You can evaluate the kit using the code examples provided with the kit. The code examples help to:

■ Explore I2USB communication between the PC and the slave, interfaced via I2C slave interface

connector of the bridge

■ Customize the designs provided along with the kit

The CY3240 USB-I2C Bridge board is configured with the “USBtoIIC” code example when shipped.

The I2C demo board is configured with “My First Code Example”. See Chapter 5 for details. Evaluate

the examples provided with the kit and then experiment with the kit hardware and software to create

your own designs.

1.1 Kit Contents

The CY3240 USB-I2C Bridge Kit contains:

■ USB-I2C Bridge

■ I2C demo board with temperature and ambient light sensor

■ USB A to Mini B cable

■ CY3240 USB-I2C Bridge kit CD

❐ PSoC Designer installation file

❐ PSoC Programmer installation file

❐ Bridge Control Panel installation file (packaged along with PSoC Programmer)

❐ Code examples

❐ Hardware file

❐ Kit guide

❐ Quick start guide

❐ Release notes

Inspect the contents of the kit. If any parts are missing, contact your nearest Cypress sales office for

further assistance.

1.1.1 Prerequisites

The CY3217-MiniProg1 kit is required to reprogram the CY3240 USB-I2C Bridge and I2C demo

board. MiniProg is a small and compact programming tool that connects to your PC using the

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