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USB2524-ABZJ Datasheet

  • USB2524-ABZJ

  • USB MultiSwitch Hub

  • 1008.53KB

  • 57頁(yè)

  • SMSC   SMSC

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USB2524
USB MultiSwitch
TM
Hub
PRODUCT FEATURES
USB2.0 Compatible 4-Port Hub with two upstream
host port connections
鈥?Provides electronic reconfiguration and re-assignment
of any of its 4 downstream ports to either of two
upstream host ports (鈥渙n-the-fly鈥?.
鈥?Allows multiple USB hosts to share peripherals and
enables a user to dynamically assign host ownership.
Datasheet
Enhanced configuration options available through
either a Single Serial I
2
C EEPROM, or SMBus Slave
Port
鈥?VID/PID/DID
鈥?Port Configuration
鈥?String Descriptors (each can support a maximum length
of 31 characters)
鈥?Embedded Mode - 8 (predefined, OEM
programmable) configurations for port
assignment are selectable via three external
control signals.
鈥?Peripheral Mode - Dedicated select pin for
every downstream port (total of 4), selectable
edge or level triggered in order to support a
wide range of possible switch configurations
and styles.
鈥?Each host has a dedicated Single Transaction
Translator (Single-TT) for supporting FS/LS devices, or
can also operate in Multi-TT mode where each
downstream port has a dedicated Transaction
Translator.
鈥?Custom Manufacturer String
鈥?Custom Product String
鈥?Custom Serial String
鈥?Assignment of downstream ports to upstream hosts
鈥?Switching mechanism selection
Hardware Strapping options allow for configuration
without an external EEPROM or SMBus Host
鈥?Default VID/PID/DID, allows functionality when
configuration EEPROM is absent
Complete USB Specification 2.0 Compatibility
鈥?Includes USB2.0 Hi-Speed Transceivers
鈥?High-Speed (480Mbits/s), Full-Speed (12Mbits/s) and
Low-Speed (1.5Mbits/s) compatible
鈥?Full power management with choice of Individual or
Ganged power control
Downstream ports can be disabled or defined as non-
removable
Switching hub can be configured as compound
device for support of 鈥榚mbedded鈥?USB peripherals
Multiple LED modes for maximum implementation
flexibility
鈥?USB Mode - 1 Single-color LED for each downstream
port (total of 8 LED鈥檚).
鈥?Host Ownership Mode - 8 Single-Color LED鈥檚 indicate
which upstream host each of the downstream ports are
assigned to.
鈥?Host Ownership & Port Speed Mode - 8 Dual-Color
LED鈥檚 are used to indicate which upstream host each
of the downstream ports are assigned to, while
simultaneously indicating downstream port connection
speed.
On-Board 24MHz Crystal Driver Circuit or 24 MHz
external clock driver
Internal PLL for 480MHz USB2.0 Sampling
Internal 1.8V Linear Voltage Regulator
Integrated USB termination and Pull-up/Pull-down
resistors
Internal Short Circuit protection of USB differential
signal pins
1.8 Volt Low Power Core Operation
3.3 Volt I/O with 5V Input Tolerance
56-Pin QFN Green, Lead-free Package
SMSC USB2524
DATASHEET
Revision 1.2 (07-17-06)

USB2524-ABZJ 產(chǎn)品屬性

  • 2,600

  • 集成電路 (IC)

  • 接口 - 控制器

  • -

  • USB 集線器

  • 串行 EEPROM

  • 3 V ~ 3.6 V

  • -

  • 0°C ~ 70°C

  • 表面貼裝

  • 56-VFQFN 裸露焊盤(pán)

  • 56-QFN-EP（8x8）

  • 管件

  • 638-1044-ND - BOARD EVAL USB2524 SHARE/SWITCH

  • 638-1056638-1056-1638-1056-1-ND

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