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新款USB 3.0控制器采用了QFN小尺寸封装，µPD720201封装尺寸8x8mm，µPD720202封装尺寸7x7mm，相比上代产品缩小50%。新款芯片还支持从BIOS通过PCI-E总线***安装固件升级，不再需要搭配外置闪存，降低了整个解决方案的PCB面积和芯片数量。瑞萨有效降低了芯片工作在低功耗状态（未连接USB外设）的漏电流水平，从而将低功耗状态功率降至4.5mW，相比上代产品节电90%。通过改善数据传送处理电路，使用外置硬盘等USB 3.0设备的实际传输速度相比上代µPD720200A可提升40%。新品µPD720201可提供4个USB 3.0接口，µPD720202则为2个。 Feature
USB-IF Certified (Test ID = 30000001, 30000004)
Compliant with the USB 2.0 specification
Supports up to 4 downstream USB ports
Integrated "Transaction Translator" with support for the new "split transaction" protocol
Designed for both bus-powered and self-powered uses
Automatically detects the upstream port speed. Supports both high-Speed and full-Speed hubs.
Number of ports and power management are configurable via external pins. No need for an external serial ROM.
Integrated overcurrent protection
Supports LED port status indicators
Lead (Pb) free, 48-pin TQFP package (7 x 7 mm, 0.5 mm pitch)
Lead (Pb) free, 40-pin QFN package (6 x 6 mm, 0.5 mm pitch)
WHQL certified for Windows XP and Windows 2000 (Submission ID = 1025324)
Driver support under Microsoft® Windows® Driver Support
Specificati***
USB 2.0 Hub Controller
Compliant with the USB 2.0 specification (Max. transfer rate: 480 Mbps)
30MHz Clock
3.3 V external operating voltage (2.5 V on-chip regulator for core)
Renesas USB host controller compliant with the USB 3.0 and xHCI (eXtensible Host Controller Interface) specificati***. The system bus is compliant with the PCIe Gen2 specification. The controller provides two or four USB ports with LS (low-Speed) / FS (full-Speed) / HS (high-Speed) / SS (SuperSpeed) support.