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AT43301 Datasheet Low-cost Usb Hub Controller

Manufacturer: Atmel (now Microchip Technology)

General Description

The AT43301 is a 5-port USB hub chip supporting one upstream and four downstream ports.

The AT43301 connects to an upstream hub or host/root hub via Port0, while 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 1.1.
  • Four Downstream Ports.
  • Full-speed and Low-speed Data Transfers.
  • Bus-powered Controller.
  • Bus-powered or Self-powered Hub Operation.
  • Port Overcurrent Monitoring.
  • Port Power Switching.
  • 5V Operation with On-chip 3.3V Regulator.
  • 24-pin SOIC.

AT43301 Distributor