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AT43312 Datasheet Self- And Bus- Powered Usb Hub Controller

Manufacturer: Atmel (now Microchip Technology)

General 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.

Key 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.

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