Manuel d'utilisation / d'entretien du produit USB2503 du fabricant SMSC
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SMSC USB2503/USB2503A DA T ASHEET Revision 2.3 (08-27-07) Datasheet PRODUCT FEA TURES USB2503/ USB2503A Integrated USB 2.0 Comp atible 3-Port Hub Integrated USB 2.0 Compatible 3-Port Hub — 3 T ransaction T ranslators for highest perfo rmance — High-S peed (480Mbits/s), Full-S pe ed (12Mbits/s) and Low-S peed (1.
ORDER NUMBERS: USB2503/USB 2503A-HZH FOR 48 PIN QFN LEAD-FREE ROHS COMPLIANT PACKAGE Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 2 SMSC USB2503/USB2503A DA T ASHEET 80 ARKA Y DRIVE, HAUPP AUGE, NY 1 1788 (631) 435-6 000, FAX ( 631) 273-3123 Copyright © 20 07 SMSC or its subsidiari es.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 3 Revision 2.3 (08-27-07) DA T ASHEET T able of Content s Chapter 1 General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 4 SMSC USB2503/USB2503A DA T ASHEET List of Figures Figure 3.1 3-Port 48-Pin QFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 5 Revision 2.3 (08-27-07) DA T ASHEET List of T ables Table 4. 1 3-Port Hub Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 6 SMSC USB2503/USB2503A DA T ASHEET Chapter 1 General Description The SMSC 3-Port Hub is fully complian t with th e USB 2.0 S pecification and will attach to a USB host as a Full-S peed Hub or as a Full-/High-Speed Hub.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 7 Revision 2.3 (08-27-07) DA T ASHEET Chapter 2 Pin T able 3-Port T able 2.1 3-Port Pin T able UPSTREAM USB 2.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 8 SMSC USB2503/USB2503A DA T ASHEET Chapter 3 Pin Configuration 3-Port Hub Figure 3.1 3-Port 48-Pin QFN Thermal Slug (must be connected to VSS) SMSC USB2503 & USB2503A (Top View QFN-48) Indicates pins on the bottom of the device.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 9 Revision 2.3 (08-27-07) DA T ASHEET Chapter 4 3-Port Hub Block Diagram Figure 4.1 3-Port Bloc k Diagram T able 4.1 3-Port Hub Pin Descript ions NAME SYMBOL T YPE FUNCTION UPSTREAM USB 2.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 10 SMSC USB2503/USB2503A DA T ASHEET 3-PORT USB 2.0 HUB INTERF ACE High-S peed USB Data USBDN[3:1] USBDP[3:1] IO-U These pins connect to the downst ream USB peripheral devices attached to the Hub’s ports.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 1 1 Revision 2.3 (08-27-07) DA T ASHEET Port Power Polarity strapping. PRTPWR_POL I/O12 Port Power Polarity strapping determinat ion for the active signal polarity of the PRTPWR[3 :1] pins.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 12 SMSC USB2503/USB2503A DA T ASHEET Crystal Output XT AL2 OCLKx 24MHz Crystal This is the other t erminal of the crystal, or left unconnected when an ex ternal clock source is used to drive XT AL1/ CLKIN.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 13 Revision 2.3 (08-27-07) DA T ASHEET VDD3P3 CORE PLL VDD33CR +3.3V I/O and C ore power . VSS VSS Ground. T able 4.5 Buffer T ype Descriptions BUFFER DESCRIPTION I Input. IPD Input, with a weak Internal pull-do wn.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 14 SMSC USB2503/USB2503A DA T ASHEET Chapter 5 Functional Block Description 5.1 3-Port Hub SMSC’s USB 2.0 3-Port Hub is fully specification co mpliant to the Universal Serial Bus S pecificati on Revision 2.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 15 Revision 2.3 (08-27-07) DA T ASHEET 5.1.1.5 Port Indicators Controls the use of LED indicator for Port st atus information. See Section 1 1.5.3 of the USB 2.0 S pecification f or additional details.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 16 SMSC USB2503/USB2503A DA T ASHEET This field is set by the OEM using either the SMBus or EEPROM interface options. When using the internal default option, the NON_ REM[1:0] pins will designate t he appropriate ports as being non- removable.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 17 Revision 2.3 (08-27-07) DA T ASHEET 5.1.1.20 Bus-Powered Hub Controller Current When in Bus-Powered configuration, Maximum curr ent requirements of the Hub Controller in 2mA increments.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 18 SMSC USB2503/USB2503A DA T ASHEET 5.2.1.3 I2C EEPRO M Slave Address Slave address is 1010000.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 19 Revision 2.3 (08-27-07) DA T ASHEET 5.2.3.1 EEPROM Offset 1:0(h) - V endor ID 5.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 20 SMSC USB2503/USB2503A DA T ASHEET 5.2.3.5 EEPROM Offset 7(h) - CONFIG_BYTE_2 3 EOP_DISABLE EOP Disable: Disabl es EOP generation at EOF1 when no downstream directed traffic is in progress.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 21 Revision 2.3 (08-27-07) DA T ASHEET 5.2.3.6 EEPROM Offset 8(h) - Non-Removable Device 5.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 22 SMSC USB2503/USB2503A DA T ASHEET 5.2.3.9 EEPROM Offs et B(h) - Max Power For Self Powered Operation 5.2.3.10 EEPROM Offs et C(h) - Max Power For Bus Powered Operation 5.2.3.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 23 Revision 2.3 (08-27-07) DA T ASHEET 5.2.3.12 EEPROM Offs et E(h) - Hub Controller Max Current For Bus Powered Operation 5.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 24 SMSC USB2503/USB2503A DA T ASHEET 5.3.1.1 Byte Protocols When using the Hub SMBus Interface for byte transfers, a write will always consist of the SM Bus Interface Slave Address byt e, followed by the I nternal Address Regi ster byte, then the d ata byte.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 25 Revision 2.3 (08-27-07) DA T ASHEET 5.3.4 Slave Device Time-Out According to the SMBus S pecificatio n, V1.0 devices in a transfer can abort the transfer i n progress and release the bus when any single clock low interval exceeds 25ms (T TIMEOUT , MIN ).
Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 26 SMSC USB2503/USB2503A DA T ASHEET 5.3.9.1 Register 00h: S tatus/Command ( Reset = 0x00) 5.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 27 Revision 2.3 (08-27-07) DA T ASHEET 5.3.9.3 Register 02h: V endor ID (MSB) (Reset = 0x00 ) 5.3.9.4 Register 03h: Product ID (LSB) (Reset = 0x00) 5.3.9.5 Register 04h: Product ID (MSB) (Reset = 0x00) 5.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 28 SMSC USB2503/USB2503A DA T ASHEET 5.3.9.9 Register 08h: Co nfiguration Dat a Byte 2 (Reset = 0x00) 5 HS_DISABLE High S peed Disa ble: Disables the capability to attach as either a High/Full- speed device, and forces attachment as Full-speed only i.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 29 Revision 2.3 (08-27-07) DA T ASHEET 5.3.9.10 Register 09h: Non- Remo vable Device (Reset = 0x00) 5.3.9.1 1 Register 0Ah: Po rt Disable For Self Powered Operation (Rese t = 0x00) 5.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 30 SMSC USB2503/USB2503A DA T ASHEET 5.3.9.14 Register 0Dh: Max Power For Bus Powered Operation (Re set = 0x00) 5.3.9.15 Register 0Eh: Hub Controller Max Curr ent For Self Powered Operation (Reset = 0x 00) 5.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 31 Revision 2.3 (08-27-07) DA T ASHEET 5.3.9.17 Register 10h: Power-On Time (Res et = 0x00) 5.3.9.18 Undefi ned Registe rs The registers shown in Ta b l e 5 . 4 are the defined registers i n the Hub.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 32 SMSC USB2503/USB2503A DA T ASHEET Figure 5.1 LED Strappi ng Option 5.6 Reset There are two different resets th at the Hub experiences. One is a hardware reset (via the RESET_N pin) and the second is a USB Bus Reset.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 33 Revision 2.3 (08-27-07) DA T ASHEET 5.6.1.1 RESET_N for St rappin g Option Configuration Figure 5.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 34 SMSC USB2503/USB2503A DA T ASHEET 5.6.1.2 RESET_N for EEPROM Configuration Figure 5.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 35 Revision 2.3 (08-27-07) DA T ASHEET 5.6.1.3 RESET_N for SMBus Slave Configuration Figure 5.4 Reset_N Timing for SMBus Mode Notes: For Bus-Powered conf igurations, t he 99.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 36 SMSC USB2503/USB2503A DA T ASHEET 5. Moves device from suspended to active (if suspended). 6. Complies with Section 1 1.10 of the USB 2.0 S pecificati on for behavior after completion of the reset sequence.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 37 Revision 2.3 (08-27-07) DA T ASHEET Chapter 6 XNOR T est XNOR continuity tests all signal pin s on the Hub (every pin except for NC, XT AL1/CLKIN, XT AL2, A TEST/REG_EN, RBIAS, TEST1, Power , and Gro und).
Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 38 SMSC USB2503/USB2503A DA T ASHEET Chapter 7 DC Parameters 7.1 Maximum Guaranteed Ratings Note: S tresses above th e specified parameters could cause permanen t damage to the devi ce.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 39 Revision 2.3 (08-27-07) DA T ASHEET 7.2 Recommended Operating Conditions PARAMETER SYMBOL MIN MAX UNITS COMMENTS Operating T e mperature T A 07 0 ° C 1.8V supply voltage V DDA18PLL V DD18 1.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 40 SMSC USB2503/USB2503A DA T ASHEET ICLK Input Buffe r Low Input Level High Input Leve l Input Leakage Hysteresis V ILCK V IHCK I IL V HYSC 2.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 41 Revision 2.3 (08-27-07) DA T ASHEET Notes: 1. Output leakage i s measured with t he current pins in h igh impedance. 2. See USB 2.0 Specification for USB DC electrical characteristics.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 42 SMSC USB2503/USB2503A DA T ASHEET Chapter 8 AC S pecifications 8.1 Oscillator/Clock Crystal: Parallel Resonant, Funda mental Mode, 24 MHz ± 100p pm. External Clock: 50% Duty cycle ± 1 0 % , 2 4 M H z ± 100ppm, Jitter < 100 ps r m s.
Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 43 SMSC USB2503/USB2503A DA T ASHEET Chapter 9 Package Outline Figure 9.1 48 Pin QFN Packag e Outline (7x7 mm body - 0.5 m m pitch) Notes: 1. Controlling Unit: millimeter . 2. Dimension b applie s to plated termina ls and is measured between 0.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté SMSC USB2503 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du SMSC USB2503 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation SMSC USB2503, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le SMSC USB2503 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le SMSC USB2503, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du SMSC USB2503.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le SMSC USB2503. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei SMSC USB2503 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
