FE1.1S USB2.0 High Speed 4-Port HUB Controller SMD SSOP28

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.

FEATURES :

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; 

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 Self Powered switching to Bus-Powered

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