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8x931AA

Features: ` 8x931AA Hubless USB Peripheral Controller` On-chip USB Transceivers` On-chip Phase-locked loop` 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` Automatic FIFO Management` T...

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SeekIC No. : 004257883 Detail

8x931AA: Features: ` 8x931AA Hubless USB Peripheral Controller` On-chip USB Transceivers` On-chip Phase-locked loop` FIFO Data Buffers -Two Pairs of 8-byte Transmit and Receive FIFOs -One Pair of 16-byte Tra...

8x931AA Data Sheet

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Part Number:
8x931AA
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/12/21

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Product Details

Description



Features:

` 8x931AA Hubless USB Peripheral Controller
` On-chip USB Transceivers
` On-chip Phase-locked loop
` 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
` Automatic FIFO Management
` Three USB Interrupt Vectors
    -Endpoint Transmit/Receive Done
    -Start of Frame
    -Global Suspend/Resume/USB Reset
` Regulated 3V Output for Root Port Pullup Resistor
` On-chip ROM Options
    -0 or 8 Kbytes
` 256 bytes On-chip Data RAM
` Four Input/Output Ports
` MCS® 51 UART
` Three 16-bit Timer/Counters
` Keyboard Control Interface
` Four Dedicated LED Driver Outputs
` 6- or 12-MHz Crystal Operation
    -Low Clock Mode (3MHz)
` 8x931HA Includes all 8x931AA Features
` 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)
` 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
` Hub Endpoint Done Interrupt
` Output Pin for Port Power Switching
` Input Pin for Overcurrent Detection
` Hub FIFO Data Buffers
    -One Pair of 8-byte Transmit and Receive FIFOs
    -One 1-byte Transmit Register
` Embedded Function FIFO Data Buffers
    -Same as the 8x931AA
` 12-MHz Crystal Operation
    -Low Clock Mode (3MHz)


Pinout

Connection Diagram


Specifications

Ambient Temperature Under Bias................. 40°C to +85°C
Storage Temperature ................................ 65°C to +150°C
Voltage on Any Pins to VSS .............................0.5 V to +6.5 V
IOL per I/O Pin................................................................ 15 mA
Power Dissipation (1) ..................................................... 1.5 W
NOTE:
1. Maximum power dissipation is based on package heat-transfer limitations, not device power consumption.


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