The Terminus FE8.1 is an extremely compact High Speed 4-port USB hub controller. It is compliant to USB-IF “Universal Serial Bus Specification Revision 2.0” (USB 2.0) specification from every aspects but one – FE8.1 always reports itself as an Self-Powered hub, regardless of the actual system implementation. To achieve the absolutely minimal pin counts, there is no input signal pins left to monitor the local power status.(点击即可咨询芯片详细信息)
FE8.1’s Features:
1. USB 2.0 fully compliant AFE transceivers:
-Upstream Facing Port supports High-Speed (480MHz) and Full-Speed (12MHz) modes;
-4 Downstream Facing Ports support High-Speed, Full-Speed, and Low-Speed (1.5MHz) modes;
2. Integrated upstream 1.5KΩ pull-up, downstream 15KΩ pull-down, and serial resisters;
3. Integrated 5V to 3.3V and 1.8V regulators;
4. Integrated Power-On-Reset with power failure detection circuit;
5. Integrated 12MHz Oscillator with feedback resister and crystal load capacitors;
6. Integrated 12MHz-to-480MHz Phase Lock Loop (PLL);
7. Single Transaction Translator (Single TT) –
-One TT for all downstream ports;
-The TT could handle 64 periodic Start Split transactions, 32 periodic Complete Split transactions, and 6 none-period transactions;
FE8.1’s Block Diagram
FE8.1’s Package
FE8.1’s Ordering Information
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