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ISP1581BD,551 参数 Datasheet PDF下载

ISP1581BD,551图片预览
型号: ISP1581BD,551
PDF下载: 下载PDF文件 查看货源
内容描述: [IC UNIVERSAL SERIAL BUS CONTROLLER, PQFP64, 10 X 10 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-314-2, LQFP-64, Bus Controller]
分类和应用: 时钟数据传输外围集成电路
文件页数/大小: 80 页 / 389 K
品牌: NXP [ NXP ]
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ISP1581  
Hi-Speed Universal Serial Bus peripheral controller  
Rev. 06 — 23 December 2004  
Product data  
1. General description  
The ISP1581 is a cost-optimized and feature-optimized Hi-Speed Universal Serial  
Bus (USB) peripheral controller, 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 Hi-Speed USB system operation. The  
Original USB fall-back mode allows the device to remain operational under full-speed  
conditions. It is designed as a generic USB peripheral controller 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 peripheral controller 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.