MCP25020/25025/25050/25055 CAN I/O Expanders Developers Kit Adding Controller Area Network (CAN) support to small, cost-sensitive, thin client applications is now easier then ever. The MCP250XX CAN I/O Expander Developer s Kit includes everything needed to create a CAN based system using Microchip s CAN I/O Expander family. It can be used to evaluate, demonstrate and develop CAN nodes using these CAN I/O Expanders. This kit contains a target board that has three CAN nodes on it all connected via a CAN bus. One CAN node is the master, one is a slave node that contains a pre-configured CAN I/O Expander device that is used in demonstration mode, and the third is an unconfigured device that is next to a prototype area for users to develop and configure their own CAN nodes using an MCP250XX device. The target board is connected to a PC through a parallel port interface that allows the user to manipulate specific functionality of the CAN I/O Expander devices. Software for the PC provides a user-friendly interface to the target board. All of this functionality is provided by this developer s kit to aid in shortening development Features: times for CAN based nodes using the Microchip CAN I/O Speeds understanding of CAN I/O Expander family Expander family of products. Ability to manipulate configuration and pin function registers The demonstration mode has an MCP25050 that is configured prior to shipping and is programmed to Ability to manipulate inputs and outputs via the manipulate analog inputs via potentiometers, PWM PC user interface or the demonstration node outputs via a piezoelectric buzzer and an incandescent lamp, and digital inputs via push-button switches. CAN Ability to demonstrate working CAN network that messages can be sent and received between the includes an MCP25050 Mixed-Signal CAN I/O master node and the demonstration node via the PC Expander user interface or via the input/output functionality Provides ability to prototype user-defined CAN node discussed above. Users can also set up a watch window to display the message traffic as they Includes prototype area and an unconfigured manipulate the inputs and outputs. In this manner, the device users can see a working network being demonstrated Includes oscilloscope probe points for with one of the nodes being an MCP25050 CAN I/O verification and troubleshooting of prototype Expander device. system Another function of the developer s kit is that the PC Enables programming of device default configuration with included software can be used to emulate an directly from developer s kit MCP250XX device. This mode is used to manipulate the registers of the MCP250XX devices in order to Allows connection of external CAN networks evaluate all of the different functionality and Software watch window can be used as basic configurations of the device family. After users are CAN bus monitor comfortable with a configuration, they can then prototype their own CAN node. An unconfigured MCP250XX device is supplied with prototyping area also included on the target board. A header is provided to enable oscilloscope access to the I/O pins for development and troubleshooting. Once prototyping is complete, the kit can be used to program up the device configuration in much the same manner that Microchip PICmicro MCUs are programmed. Analog/Interface Development Systems Microchip Technolog y Inc. The Embedded Control Solutions Company Ordering Information: Additional Information: Microchip s web site: www.microchip.com The MCP250XX CAN I/O Expander Developers Kit Microchip s Technical Library CD-ROM, Order No. DS00161 part number is DV250501. Analog/Interface Handbook, Order No. DS00207 Product Line Card, Order No. DS00148 For more information about any other Microchip Analog Design Pack CD-ROM, Order No. DS51205 products, contact the Microchip Sales Office, Microchips Overview, Quality Systems and Customer representative or authorized distributor near you. Interface System, Order No. DS00169 Host System Requirements: Third Party Software and Hardware Support: PC running Microsoft Windows95 OS or higher Third Party Guide, Order No. DS00104 MCP2502X/2505X Data Sheet - CAN I/O Expander Family, One unused parallel port Order No. DS21664 CD-ROM drive 8MB RAM 10MB of Hard Disk Space Customer Support: Microchip maintains a worldwide network of distributors, representatives, local sales offices, Field Application Engineers, and Corporate Application Engineers. 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The Microchip name and logo, the Microchip logo, PICmicro, FilterLab and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. MXDEV is a trademark of Microchip Technology Incorporated in the U.S.A. All other trademarks are the property of their respective owners. 2001, Microchip Technology Incorporated. Printed in the U.S.A. All rights reserved. 10/01 DS51260A *51260A*