VIA威盛 VL81A-Q7 集线器控制器 QFN-76封装

　　Features

　　< USB 3.1 Compliant

　　-Compliant to Universal Serial Bus 3.2 Specification

　　-Compliant to Universal Serial Bus 2.0 Specification

　　-USB 2.0 Hub Supports MTT

　　-Supports Simultaneous Operation of Any Combination of SuperSpeed, High-Speed, Full-Speed, and Low-Speed Devices

　　-Supports USB Power Saving Features such as Link Power Management, Ux States, Selective Suspend, and Function Suspend

　　-In-house USB PHY employs advanced CMOS process for low power consumption

　　-VL81A USB-IF certification TID# 330000071

　　-USB HID Class Device (Optional)

　　Implemented as a USB 2.0 Virtual Device, Facilitates FW Update or Media Control Buttons

　　Configurable Behavior – Always Present / Disabled

　　-USB Billboard Class 1.1 Device (Optional)

　　Implemented as a USB 2.0 Virtual Device

　　Configurable Behavior – Expose When Necessary / Always Present / Disabled

　　-Supports both Individual and Ganged Mode Operation for All Ports

　　-Supports PWM LED Status Lights

　　-SPI Interface for Firmware. Firmware Upgradable over USB.

　　-Management Interface for Specialized Applications

　　-Supports USB Battery Charging Specification v1.2 (SDP, CDP, DCP)

　　-Support for Vendor Specific Charging Modes eg. Apple 2.4A, Samsung, etc.

　　-Supports YD/T 1591-2009

　　-Supports Stand-Alone Charging when System is Suspend, Shut Down, or Disconnected

　　-Any Combination of DFPs can be Configured to Support USB Battery Charging

　　-Requires 3.3V and 1.2V Inputs

　　-25MHz Xtal

　　-Integrated Voltage Regulators Generate All Required Voltages from 5V Input

　　5V to 1.2V Switching DC-DC Regulator

　　5V to 3.3V LDO Regulator

　　* Integrated Regulators are disabled in current revision *

　　- QFN 76L green package (9x9x0.85 mm)