8X931AA Datasheet (Intel Corporation) - UNIVERSAL SERIAL BUS PERIPHERAL CONTROLLERS

8X931AA, UNIVERSAL SERIAL BUS PERIPHERAL CONTROLLERS

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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

8X931AA 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/Disc