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AT43301 - Low-cost USB Hub Controller

Datasheet Summary

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.

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.

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Datasheet preview – AT43301

Datasheet Details

Part number AT43301
Manufacturer ATMEL Corporation
File Size 261.97 KB
Description Low-cost USB Hub Controller
Datasheet download datasheet AT43301 Datasheet
Additional preview pages of the AT43301 datasheet.

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Full PDF Text Transcription

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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 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. The AT43301 is designed for very low-cost bus-powered or self-powered hub applications and comes in a 24-pin SOIC package.
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