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AT43312A - Self- and Bus-Bus-powered USB Hub Controller

Datasheet Summary

Description

OSC1 OSC2 LFT Oscillator Input.

Input to the inverting 6 MHz oscillator amplifier.

Oscillator Output.

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 Per Port Overcurrent Monitoring Individual Port Power Control USB Connection Status Indicators 5V Operation with On-chip 3.3V Format 32-lead SOIC and LQFP Green (Pb/Halide-free/RoHS Compliant) Package Options Available Overv.

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Datasheet preview – AT43312A

Datasheet Details

Part number AT43312A
Manufacturer ATMEL Corporation
File Size 335.59 KB
Description Self- and Bus-Bus-powered USB Hub Controller
Datasheet download datasheet AT43312A Datasheet
Additional preview pages of the AT43312A 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 Per Port Overcurrent Monitoring Individual Port Power Control USB Connection Status Indicators 5V Operation with On-chip 3.3V Format 32-lead SOIC and LQFP Green (Pb/Halide-free/RoHS Compliant) Package Options Available Overview Introduction The AT43312A is a 5 port USB hub chip supporting one upstream and four downstream ports. The AT43312A 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.
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