港芯源电子只做原装FE1.1S是一款USB芯片

型号：FE1.1S
商品信息

      The FE1.1s is a highly integrated, high quality, high performance, low power consumption, yet low cost solution for USB 2.0 High Speed 4-Port Hub. 

FE1.1s's Features  

1.  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;

     -4 downstream facing ports support High-Speed (480MHz), Full-Speed (12MHz), and Low-Speed (1.5MHz) modes;

2.  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.

5.  Integrated Power-On-Reset circuit;

6.  Integrated 12MHz Oscillator with feedback resister, and crystal load capacitance;

7.  Integrated 12MHz-to-480MHz Phase Lock Loop (PLL);

8.  Single Transaction Translator (STT) –

     -One TT for all downstream ports;

     -The TT could handle 64 periodic Start-Split transactions, 32 periodic Complete-Split transactions, and 6 none-periodic transactions;

9.   Automatic self-power status monitoring;

     -Automatic re-enumeration when Self-Powered switching to Bus-Powered;

10.  Ganged Power Control and Global Over-Current Detection support;

11.  EEPROM configured options –

       -Vendor ID, Product ID, & Device Release Number; and

       -Number of Downstream Ports;

12.  Comprehensive Port Indicators support:

       -Downstream Port Enabled indicator LED (x4, Green);

       -Hub Active/Suspend indicator LED.

FE1.1S's Block Diagram

FE1.1S's Block Diagram

FE1.1S's Package