Philips ISP1520 User Manual

UM10014_4

Semiconductors

ISP1520 Hi-Speed USB Hub Demo Board

Rev. 04.00 — 11 May 2004 User manual

Document information

Info Content Keywords Abstract

ISP1520, hub controller, USB, universal serial bus This document describes the ISP1520 hub demo board. It also contains the related schematics, the PCB layout, and the Bill of Material

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Revision history

Rev Date Description

4.0 May 11, 2004 Updated the schematic.

3.0 April 14, 2004 Updated the following:

• Section 2

• Section 4

• Section 5.5

• Section 6

1.1 Feb 2003 Updated Section 5.5 and Section 6.

1.0 Nov. 2002 First release.

ISP1520 Hi-Speed USB Hub Demo Board

Contact information

For additional information, please visit: http://www.semiconductors.philips.com/

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For sales office addresses, please send an email to: sales.addresses@www.semiconductors.philips.com

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This is a legal agreement between you (either an individual or an entity) and Philips Semiconductors. By accepting this product, you indicate your agreement to the disclaimer specified as follows:

ISP1520 Hi-Speed USB Hub Demo Board

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DISCLAIMER

PRODUCT IS DEEMED ACCEPTED BY RECIPIENT. THE PRODUCT IS PROVIDED “AS IS” WITHOUT WARRANTY OF ANY KIND. TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, PHILIPS SEMICONDUCTORS FURTHER DISCLAIMS ALL WARRANTIES, INCLUDING WITHOUT LIMITATION ANY IMPLIED WARRANTIES OF MERCHANT ABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NONINFRINGEMENT. THE ENTIRE RISK ARISING OUT OF THE USE OR PERFORMANCE OF THE PRODUCT AND DOCUMENTATION REMAINS WITH THE RECIPIENT. TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL PHILIPS SEMICONDUCTORS OR ITS SUPPLIERS BE LIABLE FOR ANY CONSEQUENTIAL, INCIDENTAL, DIRECT, INDIRECT, SPECIAL, PUNITIVE, OR OTHER DAMAGES WHATSOEVER (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) ARISING OUT OF THIS AGREEMENT OR THE USE OF OR INABILITY TO USE THE PRODUCT, EVEN IF PHILIPS SEMICONDUCTORS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

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Philips Semiconductors

ISP1520 Hi-Speed USB Hub Demo Board

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Contents

1. Introduction...............................................................................................................................................................................5

2. ISP1520 Hub demo board Features......................................................................................................................................5

3. System Requirements...............................................................................................................................................................6

4. Power Supply Adapter Requirements..................................................................................................................................6

5. Hub demo board Description................................................................................................................................................6

5.1. ISP1520 64-Pin TQFP Package......................................................................................................................................6

5.2. GoodLink Indicator.........................................................................................................................................................7

5.3. Port Power Switch Transistors.....................................................................................................................................7

5.4. Overcurrent Circuit Detection....................................................................................................................................7

5.5. Power Supply....................................................................................................................................................................8

5.6. I2C-Bus Interface..............................................................................................................................................................9

6. Schematics................................................................................................................................................................................10

7. Installing the Board.................................................................................................................................................................17

8. Bill of Materials for the ISP1520 Hub demo board..........................................................................................................18

9. References................................................................................................................................................................................18

GoodLink and I

C-Bus are trademarks of Koninklijke Philips Electronics N.V. Microsoft is a registered trademark of Microsoft Corp. The names of actual companies and products mentioned herein may b e the trademarks of their respective owners. All other names, products, and trademarks are the property of their respectiv e owners.

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1. Introduction

The ISP1520 is a Hi-Speed Universal Serial Bus (USB) hub IC, with four downstream facing ports. The ISP1520 Hub demo board is designed to demonstrate the features and functionality of the ISP1520. This version is targeted at low-cost designs. Nevertheless, it still contains a large number of features and options to be evaluated.

This document describes the ISP1520 hub demo board. It also contains the related schematics, the PCB layout, and the Bill of Material (BoM).

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ISP1520 Hi-Speed USB Hub Demo Board

Figure 1-1: ISP1520 Hub demo board

2. ISP1520 Hub demo board Features

• Complies with Universal Serial Bus Specification Rev. 2.0

• Supports self-powered operation

• Configurable number of downstream facing ports (from two to four)

• Customizable Vendor ID, Product ID and Serial Number (by using an external EEPROM or

an external microcontroller)

• Individual power switching and individual overcurrent protection

• USB traffic indication (GoodLink

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LED) on the upstream facing port

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3. System Requirements

This hub can be attached to a computer that has a USB or Hi-Speed USB host installed, and running any of these operating systems:

• Windows

• Windows Me

• Windows 2000

• Windows XP

• MacOS If this hub is plugged into a USB host controller, it will only work as a full-speed hub.

4. Power Supply Adapter Requirements

Regulated Output: 5.1VCC ± 5%, 2.5A.

Warning: If you are using the board version 02170-2, make sure that the power plug polarity is

(+) at the core and (-) at the outer shield.

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ISP1520 Hi-Speed USB Hub Demo Board

5. Hub demo board Description

5.1. ISP1520 64-Pin TQFP Package

The ISP1520 has the following port configurations:

• One Hi-Speed USB and Original USB capable upstream facing port (USB0), and

• Four Hi-Speed USB and Original USB capable downstream facing ports (USB1, USB2, USB3,

USB4).

The downstream facing ports USB3 and USB4 can be disabled. By design, ports USB1 and USB2 cannot be disabled.

Table 5-1 shows the jumper setting versus port activation.

Table 5-1: Jumper Setting vs. Port Activation

J6, J5 Active Ports

OFF, OFF 1, 2, 3, 4*

ON, ON 1, 2

*—Default settings.

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