Usb Hub Controller

Usb Hub Controller, an high integrated 4 port USB hub controller which integrates a Microcontroller implements a medium speed (12 MHz) and slow speed (1.5 MHz) Universal Serial Bus (USB) hub control Interface It supports one upstream, four downstream ports and a serial Interface W81181D CAN be act as multifunction USB device. For example, the whole system CAN be designed as an USB HUB plus an USB mouse or an USB HUB plus an IR receiver, and no down stream port be occupied as well as no other component needed. W81181D acts as an USB hub controller and a hub repeater at the direction of an internal Microcontroller W81181D controls the traffic among the host, four downstream ports, and the Microprocessor As a hub controller, it CAN enable/disable ports, send and receive resets, and detect devices of high or low speeds. The W81181D contains three function endpoints and two hub endpoints to allow both USB Control and Interrupt Transfers between the host and Microcontroller W81181D is a compound USB device (hub with embedded function attached) with totally five downstream ports. W81181D CAN be used as a hub controller in a standalone hub with attached function or a Microcontroller based USB device with hub function. By Winbond Electronics Corp America
W81181AD 's PackagesW81181AD 's pdf datasheet
W81181D LQFP

W81181AD Pinout, Pinouts
W81181AD pinout,Pin out
This is one package pinout of W81181AD,If you need more pinouts please download W81181AD's pdf datasheet.

W81181AD Application circuits
W81181AD circuits
This is one application circuit of W81181AD,If you need more circuits,please download W81181AD's pdf datasheet.

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