PTN3500/PTN3501 PTN3500 PTN3501 PCF8574 PTN3500/01

Health and Status Maintenance PTN3500/PTN3501 Maintenance and Control ICs FUNCTIONAL DESCRIPTION The PTN3500 and PTN3501 both

Unobtrusive Convenience in Board Health and Status Maintenance PTN3500/PTN3501 PTN3500/PTN3501 Maintenance and Control ICs FUNCTIONAL DESCRIPTION The PTN3500 PTN3500 and PTN3501 PTN3501 both combine functions of I2C I/O expansion with serial E2PROM memory in a single device, providing multi-card systems with a convenient means to maintain and control individual board status and health. These devices offer integration advantages wherever I2C I/O expansion is used in combination with serial E2PROM such as in board identification, diagnostic and configuration applications. ADVANTAGES · · PTN3500 PTN3500 Maintenance and Control IC General-purpose I/Os and non-volatile memory on a single device Internal 256x8 E2PROM with self-timed write cycle · Hardware address programming allows multiple devices on the same I2C bus (up to 8 for PTN3500 PTN3500, or up to 64 for PTN3501 PTN3501) · Low voltage operation and low power consumption · Compatible with PCF8574 PCF8574 pin-out · Available in 16-pin SO and 16 or 20-pin TSSOP packages APPLICATIONS · Multi-card systems in Telecom, Networking and Base Station Infrastructure Equipment · Board version tracking and configuration · Board health monitoring and status reporting · Field recall and troubleshooting functions for installed boards · General-purpose integrated I/O plus memory function Backplane PTN3500 PTN3500 PTN3501 PTN3501 Maintenance and Control ICs Line Card #N Main or Central Processing Board Line Card #1 A central processor, typically located on the system main board, can use the 400kbps I2C bus to poll the PTN3500/01 PTN3500/01 for status or version control type of information. The PTN3500/01 PTN3500/01 may be programmed at manufacturing time to store information regarding board build, firmware version, manufacturer identification, configuration option data and the like. Alternately, these devices can be used as a convenient interface for board configuration, thereby utilizing the I2C bus as an intra-system communication bus. For communication speed requirements beyond PTN3500/01 PTN3500/01's 400kbps, ask about Philips Semiconductors products incorporating the high-speed 3.4 Mbps I2C standard. 8-Bit I/O Port For more information, contact your Philips Semiconductors distributor or www.philipslogic.com North America Tel: 1 800 234-7381 Internet: www.philipslogic.com Europe Fax: +31 79 3685126 Asia Fax: 886 2 2134-2941 Japan/Korea Fax: +81-3-3740-5057 Internet (in Japanese): www.philips.co.jp/semicon/ ©Philips Electronics N.V. 2000 All rights reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license under patent or industrial or intellectual property rights. Printed in the USA 401651/10K/FP/2pp/0800 www.philipslogic.com 9397-750-07359