PDF USB2504A Data sheet ( Hoja de datos )

Número de pieza	USB2504A
Descripción	Integrated USB 2.0 Compatible 4-Port Hub
Fabricantes	Microchip
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No Preview Available ! USB2504/USB2504A Integrated USB 2.0 Compatible 4-Port Hub Highlights • Integrated USB 2.0 Compatible 4-Port Hub - 4 Transaction Translators for highest perfor- mance - High-Speed (480Mbits/s), Full-Speed (12Mbits/s) and Low-Speed (1.5Mbits/s) compatible - Full power management with per port or ganged, selectable power control - Detects Bus-Power/Self-Power source and changes mode automatically • Complete USB Specification 2.0 Compatibility - Includes USB 2.0 Transceivers • VID/PID/DID, and Port Configuration for Hub via: - Single Serial I2C EEPROM - SMBus Slave Port • Default VID/PID/DID, allows functionality when configuration EEPROM is absent • Hardware Strapping options allow for configura- tion without an external EEPROM or SMBus Host • On-Board 24MHz Crystal Driver Circuit or 24 MHz external clock driver • Internal PLL for 480MHz USB 2.0 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 • 64-Pin LQFP RoHS compliant package  2007 - 2016 Microchip Technology Inc. DS000002250A-page 1 1 page USB2504/USB2504A 2.0 PIN TABLE 4-PORT TABLE 2-1: 4-PORT PIN TABLE FOR 64-LQFP UPSTREAM USB 2.0 INTERFACE (3 PINS) USBDP0 USBDN0 VBUS_DET 4-PORT USB 2.0 INTERFACE (26 PINS) USBDP1 USBDP3 GR1/ NON_REM0 AM1/ GANG_EN PRTPWR1 OCS1_N PRTPWR_POL USBDN1 USBDN3 GR2/ NON_REM1 AM2/ MTT_EN PRTPWR2 OCS2_N RBIAS USBDP2 USBDP4 GR3/ PRT_DIS0 AM3 PRTPWR3 OCS3_N SERIAL PORT INTERFACE (5 PINS) SDA/SMBDATA CFG_SEL0 SCL/SMBCLK/ CFG_SEL2 MISC (8 PINS) XTAL1/CLKIN ATEST/ REG_EN XTAL2 CLKIN_EN RESET_N TEST1 POWER, GROUND (17 PINS) AND (5) NO CONNECT USBDN2 USBDN4 GR4/ PRT_DIS1 AM4/ LED_EN PRTPWR4 OCS4_N CFG_SEL1 SELF_PWR TEST0  2007 - 2016 Microchip Technology Inc. DS000002250A-page 5 5 Page USB2504/USB2504A TABLE 4-4: POWER, GROUND, AND NO CONNECT (CONTINUED) Name Symbol Type Function VDDAPLL1P8 VDDA18PLL +1.8V Filtered analog power for internal PLL. VDDIO3P3 VDDA3P3 VSS VDD33 VDDA33 VSS If the internal regulator is enabled, then this pin must have a 4.7F (or greater) ±20% (ESR <0.1capacitor to VSS +3.3V I/O power. +3.3V Filtered analog power. Ground. TABLE 4-5: Buffer I IPD IPU IS O12 I/O12 IOSD12 ICLKx OCLKx I-R IO-U AIO BUFFER TYPE DESCRIPTIONS Description Input. Input, with a weak Internal pull-down. Input, with a weak Internal pull-up. Input with Schmitt trigger. Output 12mA. Input/Output, 12mA Open drain….12mA sink with Schmitt trigger, and must meet I2C-Bus Specification Version 2.1 requirements. XTAL Clock Input XTAL Clock Output RBIAS Defined in USB Specification. Note: Meets USB 1.1 requirements when operating as a 1.1-compliant device and meets USB 2.0 requirements when operating as a 2.0- compliant device. Analog Input/output. Per PHY test requirements.  2007 - 2016 Microchip Technology Inc. DS000002250A-page 11 11 Page

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