ACK! dAck! 2.0 Manuel d'utilisateur

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ISP1581
Universal Serial Bus 2.0 high-speed interface device
Rev. 02 — 23 October 2000 Objective specification
c
c
1. General description
The ISP1581 is a cost-optimized and feature-optimized Universal Serial Bus (USB)
interface device, which fully complies with the
Universal Serial Bus Specification
Rev. 2.0
. It provides high-speed USB communication capacity to systems based on a
microcontroller or microprocessor. The ISP1581 communicates with the system’s
microcontroller/processor through a high-speed general-purpose parallel interface.
The ISP1581 supports automatic detection of USB 2.0 system operation. The
USB 1.1 fall-back mode allows the device to remain operational under full-speed
conditions. It is designed as a generic USB interface device so that it can fit into all
existing device classes, such as: Imaging Class, Mass Storage Devices,
Communication Devices, Printing Devices and Human Interface Devices.
The internal generic DMA block allows easy integration into data streaming
applications. In addition, the various configurations of the DMA block are tailored for
mass storage applications.
The modular approach to implementing a USB interface device allows the designer to
select the optimum system microcontroller from the wide variety available. The ability
to re-use existing architecture and firmware investments shortens the development
time, eliminates risk and reduces costs. The result is fast and efficient development of
the most cost-effective USB peripheral solution.
The ISP1581 is ideally suited for many types of peripherals, such as: printers;
scanners; magneto-optical (MO), compact disc (CD), digital video disc (DVD) and
Zip
®
/Jaz
®
drives; digital still cameras; USB-to-Ethernet links; cable and DSL
modems. The low power consumption during ‘suspend’ mode allows easy design of
equipment that is compliant to the ACPI™, OnNow™ and USB power management
requirements.
The ISP1581 also incorporates features such as SoftConnect™, a reduced
frequency crystal oscillator and integrated termination resistors. These features allow
significant cost savings in system design and easy implementation of advanced USB
functionality into PC peripherals.
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Résumé du contenu

Page 1 - 1. General description

ISP1581Universal Serial Bus 2.0 high-speed interface deviceRev. 02 — 23 October 2000 Objective specificationcc1. General descriptionThe ISP1581 is a co

Page 2 - 3. Applications

Philips SemiconductorsISP1581USB 2.0 HS interface deviceObjective specification Rev. 02 — 23 October 2000 10 of 739397 750 07648© Philips Electronics N

Page 3 - 5. Block diagram

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Page 4 - 6. Pinning information

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Page 5 - 6.2 Pin description

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Page 7 - 7. Functional description

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Page 8 - 7.1 USB 2.0 transceiver

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Page 10 - 7.10 System Controller

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Page 11 - 9. Register descriptions

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Page 13 - 9397 750 07648

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Page 24 - 9.4 DMA registers

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Page 37 - 9.5 General registers

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Page 42 - 11. Static characteristics

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Page 44 - 12. Dynamic characteristics

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Page 46 - 12.1 High-speed signals

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Page 51 - 12.2 Timing symbols

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Page 52 - 12.3 Parallel I/O timing

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Page 54 - 12.4 DMA timing

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Page 65 - 13. Application information

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Page 66 - 14. Test information

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Page 67 - 15. Package outline

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Page 68 - 16. Soldering

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Page 69 - 16.4 Manual soldering

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Page 70 - 17. Revision history

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Page 71 - 21. Trademarks

© Philips Electronics N.V. 2000. Printed in The NetherlandsAll rights are reserved. Reproduction in whole or in part is prohibited without the priorwr

Page 72

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Page 73 - Contents

Philips SemiconductorsISP1581USB 2.0 HS interface deviceObjective specification Rev. 02 — 23 October 2000 9 of 739397 750 07648© Philips Electronics N.

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