(PDF) 8x931HA Datasheet PDF | Intel Corporation





8x931HA Datasheet PDF

Part Number 8x931HA
Description UNIVERSAL SERIAL BUS PERIPHERAL CONTROLLERS
Manufacture Intel Corporation
Total Page 30 Pages
PDF Download Download 8x931HA Datasheet PDF

Features: Datasheet pdf ADVANCE INFORMATION 8x931AA/8x931HA UNI VERSAL SERIAL BUS PERIPHERAL CONTROLLER S s 8x931AA Hubless USB Peripheral Cont roller s On-chip USB Transceivers s On- chip Phase-locked loop s FIFO Data Buff ers — Two Pairs of 8-byte Transmit an d Receive FIFOs — One Pair of 16-byte Transmit and Receive FIFOs — Support s Isochronous and Non-isochronous Data s Automatic FIFO Management s Three USB Interrupt Vectors — Endpoint Transmi t/Receive Done — Start of Frame — G lobal Suspend/Resume/USB Reset s Regula ted 3V Output for Root Port Pullup Resi stor s On-chip ROM Options — 0 or 8 K bytes s 256 bytes On-chip Data RAM s Fo ur 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 8 x931HA Includes all 8x931AA Features s 8x931HA USB Hub has One Internal Downst ream, and Four External Downstream Port s — Universal Serial Bus Specification 1.0 Compliant — Serves as both USB Hub an.

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8x931HA datasheet
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 contains one internal and 4 external downstream ports and integrates the USB
transceivers, serial bus interface engine (SIE), hub interface unit (HIU), function interface unit (FIU), and
transmit/receive FIFOs. The 8x931AA is a hubless USB peripheral controller which contains the same
feature set as the 8x931HA hub controller except for the hub module. The 8x931AA/HA uses the standard
instruction set of the MCS 51 architecture.
COPYRIGHT © INTEL CORPORATION, 1997
November 1997
Order Number: 273108-002

8x931HA datasheet
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