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8X931AA - UNIVERSAL SERIAL BUS PERIPHERAL CONTROLLERS

General Description

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Key Features

  • s 8x931HA USB Hub has One Internal Downstream, and Four External Downstream Ports.
  • Universal Serial Bus Specification 1.0 Compliant.
  • Serves as both USB Hub and USB Embedded Function (Internal Port) s USB Hub.
  • Connectivity Management.
  • Downstream Device Connect/Disconnect Detection.
  • Power Management, Including Suspend and Resume.
  • Bus Fault Detection and Recovery.
  • Full and Low Speed Downstream Device Support s Hub Endpoint Done Interrup.

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Datasheet Details

Part number 8X931AA
Manufacturer Intel Corporation
File Size 226.91 KB
Description UNIVERSAL SERIAL BUS PERIPHERAL CONTROLLERS
Datasheet download datasheet 8X931AA Datasheet

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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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ADVANCE INFORMATION 8x931AA/8x931HA UNIVERSAL SERIAL BUS PERIPHERAL CONTROLLERS s 8x931AA Hubless USB Peripheral Controller s On-chip USB Transceivers s On-chip Phase-locked loop s FIFO Data Buffers — Two Pairs of 8-byte Transmit and Receive FIFOs — One Pair of 16-byte Transmit and Receive FIFOs — Supports Isochronous and Non-isochronous Data s Automatic FIFO Management s Three USB Interrupt Vectors — Endpoint Transmit/Receive Done — Start of Frame — Global Suspend/Resume/USB Reset s Regulated 3V Output for Root Port Pullup Resistor s On-chip ROM Options — 0 or 8 Kbytes s 256 bytes On-chip Data RAM s Four Input/Output Ports s MCS® 51 UART s Three 16-bit Timer/Counters s Keyboard Control Interface s Four Dedicated LED Driver Outputs s 6- or 12-MHz Crystal Operation — Low Clock Mode (3MHz)