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AT43311 - USB Hub

General Description

The AT43311 is a fully compliant USB hub chip with 5 ports, one upstream port and four full/low-speed downstream ports.

The AT43311 can be used as a stand alone or can provide a simple and quick method of adding USB ports to an existing device.

Key Features

  • Self-Powered Hub with Bus Power Controller Full Compliance with USB Spec Rev 1.0 Full Speed USB Host Interface Four Downstream Ports Downstream Support for Full Speed and Low Speed Transfer Rates Continual Monitoring of Port by System Host Individual Port Power Control USB Connection Status Indicators 6 MHz Oscillator with On-Chip PLL.

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Other Datasheets by Atmel (now Microchip Technology)

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AT43310 USB Hub
AT43312 Self- and Bus- Powered USB Hub Controller
AT43312A Self- and Bus-Bus-powered USB Hub Controller
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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AT43311 Features • • • • • • • • • Self-Powered Hub with Bus Power Controller Full Compliance with USB Spec Rev 1.0 Full Speed USB Host Interface Four Downstream Ports Downstream Support for Full Speed and Low Speed Transfer Rates Continual Monitoring of Port by System Host Individual Port Power Control USB Connection Status Indicators 6 MHz Oscillator with On-Chip PLL Description The AT43311 is a fully compliant USB hub chip with 5 ports, one upstream port and four full/low-speed downstream ports. The AT43311 can be used as a stand alone or can provide a simple and quick method of adding USB ports to an existing device. As a repeater, the AT43311 provides upstream connectivity between the selected function and the host.