USB2524-ABZJ Microchip

USB2524 USB MultiSwitch Hub Enhanced configuration options available through Highlights 2 either a Single Serial I C EEPROM, or SMBus USB 2.0 Compatible 4-Port Hub with two Slave Port upstream host port connections - VID/PID/DID - Provides electronic reconfiguration and re- - Port Configuration assignment of any of its 4 downstream ports - String Descriptors (each can support a maxi- to either of two upstream host ports (on-the- mum length of 31 characters) fly) - Custom Manufacturer String - Allows multiple USB hosts to share peripher- - Custom Product String als and enables a user to dynamically assign - Custom Serial String host ownership - Assignment of downstream ports to upstream - Embedded Mode - 8 (predefined, OEM hosts programmable) configurations for port assignment - Switching mechanism selection are selectable via three external control signals - Peripheral Mode - Dedicated select pin for every Hardware Strapping options allow for configura- downstream port (total of 4), selectable edge or level tion without an external EEPROM or SMBus Host triggered in order to support a wide range of possible - Default VID/PID/DID, allows functionality switch configurations and styles when configuration EEPROM is absent - Each host has a dedicated Single Transac- Complete USB Specification 2.0 Compatibility tion Translator (Single-TT) for supporting FS/ - Includes USB 2.0 Hi-Speed Transceivers LS devices, or can also operate in Multi-TT - High-Speed (480Mbits/s), Full-Speed mode where each downstream port has a (12Mbits/s) and Low-Speed (1.5Mbits/s) dedicated Transaction Translator. compatible Downstream ports can be disabled or defined as - Full power management with choice of Indi- non-removable vidual or Ganged power control Switching hub can be configured as compound On-Board 24MHz Crystal Driver Circuit or 24 MHz device for support of embedded USB peripherals external clock driver Multiple LED modes for maximum implementation Internal PLL for 480MHz USB 2.0 Sampling flexibility Internal 1.8V Linear Voltage Regulator - USB Mode - 2 Single-color LEDs for each downstream port (total of 8 LEDs) Integrated USB termination and Pull-up/Pull-down resistors - Host Ownership Mode - 8 Single-Color LEDs indicate which upstream host each of the Internal Short Circuit protection of USB differential downstream ports are assigned to. signal pins - Host Ownership & Port Speed Mode - 8 Dual- 1.8 Volt Low Power Core Operation Color LEDs are used to indicate which 3.3 Volt I/O with 5V Input Tolerance upstream host each of the downstream ports 56-Pin QFN RoHS Compliant Package are assigned to, while simultaneously indicat- ing downstream port connection speed. 2013 - 2016 Microchip Technology Inc. DS00001588B-page 1USB2524 TO OUR VALUED CUSTOMERS It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip products. To this end, we will continue to improve our publications to better suit your needs. Our publications will be refined and enhanced as new volumes and updates are introduced. If you have any questions or comments regarding this publication, please contact the Marketing Communications Department via E-mail at docerrors microchip.com. We welcome your feedback. Most Current Data Sheet To obtain the most up-to-date version of this data sheet, please register at our Worldwide Web site at: