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AT43312

ATMEL Corporation
Part Number AT43312
Manufacturer ATMEL Corporation
Description Self- and Bus- Powered USB Hub Controller
Published Mar 23, 2005
Detailed Description Features • • • • • • • Full compliance with USB spec Rev 1.0 Four downstream ports Full speed and low speed data transfe...
Datasheet PDF File AT43312 PDF File

AT43312
AT43312

Overview
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 status indicators Description 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 both directions.
A USB hub with the AT43312 can operate as a bus-powered or self-powered through chip’s power mode ...


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