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8x931HA

Intel Corporation
Part Number 8x931HA
Manufacturer Intel Corporation
Description UNIVERSAL SERIAL BUS PERIPHERAL CONTROLLERS
Published Mar 22, 2005
Detailed Description ADVANCE INFORMATION 8x931AA/8x931HA UNIVERSAL SERIAL BUS PERIPHERAL CONTROLLERS s 8x931AA Hubless USB Peripheral Contro...
Datasheet PDF File 8x931HA PDF File

8x931HA
8x931HA



Overview
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) s 8x931HA Includes all 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/Disconnect Detection — Power Management, Including Suspend and Resume — Bus Fault Detection and Recovery — Full and Low Speed Downstream Device Support s Hub Endpoint Done Interrupt s Output Pin for Port Power Switching s Input Pin for Overcurrent Detection s Hub FIFO Data Buffers — One Pair of 8-byte Transmit and Receive FIFOs — One 1-byte Transmit Register s Embedded Function FIFO Data Buffers — Same as the 8x931AA s 12-MHz Crystal Operation — Low Clock Mode (3MHz) The 8x931AA and 8x931HA USB peripheral controllers are based on the MCS®51 microcontroller.
They consist of standard 8XC51Fx peripherals plus a USB module.
The 8x931HA USB module provides both USB hub and USB embedded function capabilities.
The 8x931HA supports USB hub functionality, embedded function, suspend/resume modes, isochronous/non-isochronous transfers, and is USB rev 1.
0 specification compliant.
The USB module...



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