AT43312 Datasheet - ATMEL Corporation

AT43312 Self- and Bus- Powered USB Hub Controller

The AT43312 is a 5 port USB hub chip supporting one upstream and four downstream ports. The AT43312 connects to an upstream hub or Host/Root Hub via Port0 and the other ports connect to external downstream USB devices. The hub re-transmits the USB differential signal between Port0 and Ports[1:4] in .

AT43312 Features

* Full compliance with USB spec Rev 1.0 Four downstream ports Full speed and low speed data transfers Self-Powered or Bus-Powered modes of operation Per port overcurrent monitoring Individual port power switch control USB connection

AT43312-ATMELCorporation.pdf