ماژول هاب USB 2.0 با قابلیت نصب 4 پورت

ماژول هاب USB 2.0 با قابلیت نصب 4 پورت

جهت دانلود دیتاشیت این ماژول لینک Datasheet را کلیلک کنید.
یو‌اس‌بی یک درگاه ارتباطی است که در اکثر لوازم الکترونیکی موجود در بازار بکار گرفته شده و برای اتصال لوازم جانبی گوناگون و یا دستگاه‌های ورودی و خروجی مانند ماوس، صفحه کلید، دیسک سخت و... مورد استفاده قرار می‌گیرد. نسخه دوم USB توانایی انتقال داده با سرعت حداکثر 480 مگابیت در ثانیه را داراست که در مقایسه با نسخه اول آن، بسیار سریع‌تر عمل می‌کند.
ماژول هاب در واقع برای افزایش تعداد پورت USB استفاده می شود که در این حالت نیاز به تغذیه خارجی و درایور نصب
نمی باشد. ماژول هاب ارایه شده امکان افزایش تعداد پورت USB تا 4 پورت را فراهم کرده است.

Description:
The FE1.1s is a highly integrated, high quality, high performance, low power consumption, yet a low-cost solution for USB 2.0 High-Speed 4-Port Hub. It adopts Single Transaction Translator (STT) architecture to be more cost-effective. Six, instead of two, non-periodic transaction buffers are used to minimize potential traffic jamming.
The whole design is based on state-machine-control to reduce the response delay time; no microcontroller is used in this chip.
To guarantee high quality, the whole chip is covered by Test Scan Chain – even on the high speed (480MHz) modules, so that all the logic
components could be fully tested before shipping. Special Build-In-Self-Test mode is designed to exercise all high, full, and low-speed Analog Front End (AFE) components on the packaging and testing stages as well.
Low power consumption is achieved by using 0.18μm technology and a comprehensive power/clock control mechanism. Most part of the
the chip will not be clocked unless needed.

Features:
Fully compliant with Universal Serial Bus Specification Revision 2.0 (USB 2.0);
* Upstream facing port supports HighSpeed (480MHz) and Full-Speed
(12MHz) modes;
* 4 downstream facing ports support
High-Speed (480MHz), Full-Speed (12MHz), and Low-Speed (1.5MHz) modes;
* Integrated USB 2.0 Transceivers;
* Integrated upstream 1.5KΩ pull-up, downstream 15KΩ pull-down, and serial resisters;
* Integrated 5V to 3.3V and 1.8V regulator.
* Integrated Power-On-Reset circuit;
* Integrated 12MHz Oscillator with feedback resister, and crystal load capacitance;
* Integrated 12MHz-to-480MHz Phase Lock Loop (PLL);
* Single Transaction Translator (STT) –
* One TT for all downstream ports;
* The TT could handle 64 periodic StartSplit transactions, 32 periodic Complete-Split transactions, and 6
none-periodic transactions;
* Automatic self-power status monitoring;
* Automatic re-enumeration when SelfNOV. 29, 2008 Subject to Change Without Notice 1 USB 2.0 4-Port Hub
Data Sheet Rev. 1.0
Powered switching to Bus-Powered;
* Ganged Power Control and Global Overcurrent Detection support;
* EEPROM configured options –
* Vendor ID, Product ID, & Device Release Number;
* Number of Downstream Ports;
* Comprehensive Port Indicators support:
* Downstream Port Enabled indicator LED (x4, Green);
* Hub Active/Suspend indicator LED.