AN72332 provides guidelines on system design with HX2VL, a high-performance, low-power USB 2.0 high speed hub that is optimized for low-cost designs. Recommended system design and PCB Layout techniques are included here to ensure best performance and full compliance with USB 2.0 specification.
Introduction
HX2VL is the next-generation family of high-performance, low-power USB 2.0 hub controllers. The HX2VL has integrated upstream and downstream transceivers, a USB serial interface engine (SIE), USB hub control and repeater logic, and transaction translator (TT) logic. The HX2VL portfolio has Single-TT and Multi-TT versions, lowcost options with high performance.