The FE2.1 is a highly integrated, high quality, high performance, low power consumption,yet low overall cost solution for USB 2.0 High Speed 7-Port Hub.(点击即可咨询芯片详细信息)
FE2.1’s Features:
1. Low power consumption
-155 mA when seven downstream facing ports enabled in High-Speed mode;
-66 mA when one downstream facing port enabled in High-Speed mode;
2. Fully compliant with Universal Serial Bus Specification Revision 2.0 (USB 2.0);
- Upstream facing port supports High Speed (480MHz) and Full-Speed (12MHz) modes; -7 downstream facing ports support High-Speed (480MHz), Full-Speed (12MHz), and Low-Speed (1.5MHz) modes; n Integrated USB 2.0 Transceivers;
3. Integrated upstream 1.5KΩ pull-up, downstream 15KΩ pull-down, and serial resisters;
4. Integrated 5V to 3.3V and 1.8V regulator. n Integrated Power-On-Reset circuit;
5. Integrated 12MHz Oscillator with feedback resister and crystal load capacitor;
6. Integrated 12MHz-to-480MHz Phase Lock Loop (PLL);
7. Multiple Transaction Translator (MTT) –
- One TT for each downstream port
- Alternate Interface 0 for Single-TT, and Alternate Interface 1 for Multiple-TT;
- Each TT could handle 64 periodic Start-Split transactions, 32 periodic Complete-Split transactions, and 6 none-periodic transactions;
8. Support Self-Powered Mode only;
9. Board configured options –
-Ganged or Individual Power Control Mode select;
-Global, Multiple Ganges, or Individual Over-Current Protection Mode select;
-Removable or Non-Removable Downstream Devices configuration;
-Number of Downstream Ports;
10. EEPROM configured options –
-Vendor ID, Product ID, & Device Release Number;
-Removable or Non-Removable Downstream Devices configuration;
-Serial Number; and
-Number of Downstream Ports;
11. Comprehensive status indicators support:
-Standard downstream port status indicators (Green and Amber LED control for each downstream port);
-Hub Active/Suspend indicator LED.
FE2.1’s Block Diagram
FE2.1’s Package
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