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SMSC USB20H04 manuale d’uso - BKManuals

SMSC USB20H04 manuale d’uso

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Un buon manuale d’uso

Le regole impongono al rivenditore l'obbligo di fornire all'acquirente, insieme alle merci, il manuale d’uso SMSC USB20H04. La mancanza del manuale d’uso o le informazioni errate fornite al consumatore sono la base di una denuncia in caso di inosservanza del dispositivo con il contratto. Secondo la legge, l’inclusione del manuale d’uso in una forma diversa da quella cartacea è permessa, che viene spesso utilizzato recentemente, includendo una forma grafica o elettronica SMSC USB20H04 o video didattici per gli utenti. La condizione è il suo carattere leggibile e comprensibile.

Che cosa è il manuale d’uso?

La parola deriva dal latino "instructio", cioè organizzare. Così, il manuale d’uso SMSC USB20H04 descrive le fasi del procedimento. Lo scopo del manuale d’uso è istruire, facilitare lo avviamento, l'uso di attrezzature o l’esecuzione di determinate azioni. Il manuale è una raccolta di informazioni sull'oggetto/servizio, un suggerimento.

Purtroppo, pochi utenti prendono il tempo di leggere il manuale d’uso, e un buono manuale non solo permette di conoscere una serie di funzionalità aggiuntive del dispositivo acquistato, ma anche evitare la maggioranza dei guasti.

Quindi cosa dovrebbe contenere il manuale perfetto?

Innanzitutto, il manuale d’uso SMSC USB20H04 dovrebbe contenere:
- informazioni sui dati tecnici del dispositivo SMSC USB20H04
- nome del fabbricante e anno di fabbricazione SMSC USB20H04
- istruzioni per l'uso, la regolazione e la manutenzione delle attrezzature SMSC USB20H04
- segnaletica di sicurezza e certificati che confermano la conformità con le norme pertinenti

Perché non leggiamo i manuali d’uso?

Generalmente questo è dovuto alla mancanza di tempo e certezza per quanto riguarda la funzionalità specifica delle attrezzature acquistate. Purtroppo, la connessione e l’avvio SMSC USB20H04 non sono sufficienti. Questo manuale contiene una serie di linee guida per funzionalità specifiche, la sicurezza, metodi di manutenzione (anche i mezzi che dovrebbero essere usati), eventuali difetti SMSC USB20H04 e modi per risolvere i problemi più comuni durante l'uso. Infine, il manuale contiene le coordinate del servizio SMSC in assenza dell'efficacia delle soluzioni proposte. Attualmente, i manuali d’uso sotto forma di animazioni interessanti e video didattici che sono migliori che la brochure suscitano un interesse considerevole. Questo tipo di manuale permette all'utente di visualizzare tutto il video didattico senza saltare le specifiche e complicate descrizioni tecniche SMSC USB20H04, come nel caso della versione cartacea.

Perché leggere il manuale d’uso?

Prima di tutto, contiene la risposta sulla struttura, le possibilità del dispositivo SMSC USB20H04, l'uso di vari accessori ed una serie di informazioni per sfruttare totalmente tutte le caratteristiche e servizi.

Dopo l'acquisto di successo di attrezzature/dispositivo, prendere un momento per familiarizzare con tutte le parti del manuale d'uso SMSC USB20H04. Attualmente, sono preparati con cura e tradotti per essere comprensibili non solo per gli utenti, ma per svolgere la loro funzione di base di informazioni e di aiuto.

Sommario del manuale d’uso

  • Pagina 1

    SMSC USB20H04 Page 1 Revision 1.63 (03-30-07) DATASHEET USB20H04 4-Port USB 2.0 Hub Contr oller Datasheet Product Features General Features  Compliant with USB 2.0 Specification  Hub controller IC with four dow nstream ports  Four transaction translators ensure maximum USB throughput  Enables bus-powered Hi-Speed hub design  Compatib[...]

  • Pagina 2

    4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 2 SMSC USB20H04 DATASHEET 80 ARKAY DRIVE, HAUPPAUGE, NY 11788 (631) 435-6000, FAX (631) 273-3123 Copyright © 2007 SMSC or its subs idiaries. All rights reserved. Circuit diagrams and other information rela ting to SMSC products are included as a m eans of illustrating typical ap[...]

  • Pagina 3

    4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 3 Revision 1.63 (03-30-07) DATASHEET T able of Content s Chapter 1 General D escription ............................................................................................................ .5 1.1 Applicat ions .............................................................................[...]

  • Pagina 4

    4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 4 SMSC USB20H04 DATASHEET List of Figures Figure 2.1 - Bl ock Di agram..................................................................................................... ........................................7 Figure 3.1– 64 Pin TQFP ........................................[...]

  • Pagina 5

    4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 5 Revision 1.63 (03-30-07) DATASHEET Chapter 1 General Description The USB20H04 four-port hub controller is fully comp liant with the USB 2.0 Specification and does not require firmware development. When connected to a high-speed host, the four dow nstream facing ports can operate at low-speed [...]

  • Pagina 6

    4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 6 SMSC USB20H04 DATASHEET 1.2 OEM Selectable Features The 4-Port Hub supports seve ral OEM selectable features:  Operation as a bus-pow ered, self-pow ered or dynamic-powered hub. (When configured for dy namic operation, the controller automatically sw itches to bus-power ed m[...]

  • Pagina 7

    4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 7 Revision 1.63 (03-30-07) DATASHEET Chapter 2 Functional Block Diagram To Upstream V BUS Upstream PHY Upstream USB Data Repeater Controller SIE Serial Interfac e PLL 24 MHz Crystal To EEPROM o r SMBus Master Routing Logic SCK SD TT #1 TT #2 TT #3 TT #4 Port Controller Downstream PHY #1 Port #1[...]

  • Pagina 8

    4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 8 SMSC USB20H04 DATASHEET Chapter 3 Pinout AM3_N GR2_N AM1_N 48 47 46 45 44 43 42 41 TEST_P3 VSS OCS3_N VBUS 3_N OCS4_N VBUS 4_N CS/EESEL SCK/SCL SD/SDA VSS RBIA S ATEST VDDA33 VDDA18 VSS XTAL1/C LKIN XTAL2 VDDA18 VSS VDD18 VSS VBUSDET SELF_PWR SMB_SEL_ N RESET_N 64 63 62 61 1 2 [...]

  • Pagina 9

    4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 9 Revision 1.63 (03-30-07) DATASHEET Chapter 4 Interface Signal Definition 4.1 Pin Descriptions Table 4.1 - System Interface Signals NAME BUFFER TYPE A CTIVE LEVEL DESCRIPTION RESET_N IS Low Chip Reset . The minimum active low pulse is 100ns. See section 8.4 for a complete description of operat[...]

  • Pagina 10

    4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 10 SMSC USB20H04 DATASHEET Table 4.3 - USB I/O Signals NAME BUFFER TYPE A CTIVE LEVEL DESCRIPTION USBDP0 IO-U N/A Upstream USB Positive Data Pin. USBDM0 IO-U N/A Upstream USB Negative Data Pin. VBUSDET IO8 N/A Detects state of upstream V BUS power. When designing a detachable hub[...]

  • Pagina 11

    4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 11 Revision 1.63 (03-30-07) DATASHEET Table 4.4 - Biasing and Cl ock Oscillator Signals NAME BUFFER TYPE A CTIVE LEVEL DESCRIPTION RBIAS I-R N/A External 1% bias resistor. Requires a 12K Ω resistor to ground. Used for setting HS transmit current level and on-chip termination impedance. XTAL1/C[...]

  • Pagina 12

    4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 12 SMSC USB20H04 DATASHEET Chapter 5 Limiting V alues Table 5.1 - Absolute Maximum Ratings (In accordance with the Absolute Maximum Rating sy stem (IEC 60134) PA RAMETER SYMBOL CONDITIONS MIN TYP MA X UNITS 1.8V Supply Voltage (VDD1.8 and VDDA1.8) VDD1.8 -0.5 2.5 V 3.3V Supply Vo[...]

  • Pagina 13

    4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 13 Revision 1.63 (03-30-07) DATASHEET Chapter 6 Electrical Characteristics Table 6.1 - Electric al Characteris tics: Supply Pins (V DD1.8 =1.74 to 2.0V; V DD3.3 =3.0 to 3.6V; V SS = 0V; T A = 0 o C to +70 o C; unless otherw ise specified.) PA RAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS I CC1.8S[...]

  • Pagina 14

    4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 14 SMSC USB20H04 DATASHEET PA RAMETER SYMBOL COMMENTS MIN TYP MA X UNITS I, IPD, IPU Input Buffer Low Input Level High Input Level Low Input Leakage High Input Leakage V ILI V IHI I IL I IH TTL Levels TTL Levels V IN = 0 V IN = V DD3.3 2.0 -10 -10 0.8 +10 +10 V V uA uA ICLK Input[...]

  • Pagina 15

    4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 15 Revision 1.63 (03-30-07) DATASHEET Table 6.4 - DC Electrical Characteristics: Analog I/O Pins (DP/DM) (VDD1.8 =1.74 to 2.0V; VDD3.3 =3.0 to 3.6V; VSS = 0V; TA = 0 o C to +70 o C; unless otherw ise specified.) PA RAMETER SYMBOL CONDITIONS MIN TYP MA X UNITS FS FUNCTIONA LITY Input lev els Dif[...]

  • Pagina 16

    4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 16 SMSC USB20H04 DATASHEET Chapter 7 Functional Overview Figure 2.1 show s the functional block diagram of the USB 2.0 Hub Controlle r. Each of the functions is described in detail below. 7.1 Bus-Power Detect The VBUSDET pin on the USB20H04 moni tors the state of the upstream V B[...]

  • Pagina 17

    4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 17 Revision 1.63 (03-30-07) DATASHEET 7.5 Serial Interface External configuration dat a is loaded via the serial interface. T he serial interface appears as either an SMBus slave, or an I 2 C memory interface. 7.5.1 SMBus Slave The USB20H04 conforms to voltage, power, and timing specifications [...]

  • Pagina 18

    4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 18 SMSC USB20H04 DATASHEET 7.9 Transaction Translator (TT) The transaction translator supports full-speed and low-s peed devices attached to dow nstream ports in the high-speed environment. To provide the highest leve l of performance, the U SB20H04 Hub provides one Transaction T[...]

  • Pagina 19

    4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 19 Revision 1.63 (03-30-07) DATASHEET Each port’s indicator must be located in a position that obviously associates the indicator with the port. The color and state of the LED is used to pr ovide status information to the user. Two different modes of operation are supported for the port indic[...]

  • Pagina 20

    4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 20 SMSC USB20H04 DATASHEET Chapter 8 Implementation Notes The following sections consist of se lect functional explanations to aid in implementing the Hub Controller into a system. 8.1 Configuration Implementations The USB20H04 is normally configured by an external EEPR OM connec[...]

  • Pagina 21

    4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 21 Revision 1.63 (03-30-07) DATASHEET 8.1.2 Internal Default Configuration The internal default configuration is enabled w hen SMB_SEL_N is high and CS/EE_SEL is low on the rising edge of RESET_N. If SELF_PWR is low, t hen the bus-pow ered defaul t settings are loaded. USB2 0H0 4 SCK/ SCL SD/ S[...]

  • Pagina 22

    4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 22 SMSC USB20H04 DATASHEET Detailed definition of the bits used to program the OEM values are giv en in Table 8.2 through Table 8.5. Table 8.2 - Address 6; Config_Byte_3 BIT FIELD NA ME DESCRIPTION 7 Self-/Bus-Power Selects either se lf-powered or bus- pow ered operation: 0: Self[...]

  • Pagina 23

    4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 23 Revision 1.63 (03-30-07) DATASHEET BIT FIELD NA ME DESCRIPTION 3:0 Port Non-Active Selects which ports ar e active. A one indicates that the port is non-active: Bit 3: Port 4 is non-active. Bit 2: Port 3 is non-active. Bit 1: Port 2 is non-active. Bit 0: Port 1 is non-active. All zeroes sets[...]

  • Pagina 24

    4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 24 SMSC USB20H04 DATASHEET Table 8.6 - Default Configuration Va lues REGISTER ADDRESS REGISTER NA ME SELF-POWERED DEFA ULT (HEX) BUS-POWERED DEFA ULT (HEX) 01h VID MSB 04 04 02h VID LSB 24 24 03h PID MSB ** ** 04h PID LSB 00 00 05h DID MSB 00 00 06h DID LSB 00 00 07h Config Data [...]

  • Pagina 25

    4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 25 Revision 1.63 (03-30-07) DATASHEET 8.4.1.1 SMBus Configuration Timing Figure 8.3 - Timing for Configuration from SMBus Table 8.7 - Time Values to Configure from SMBus NA ME DESCRIPTION MIN TYP MA X UNITS T1 RESET_N asserted 100 nsec T2 USB20H04 recovery /stabilization – until first externa[...]

  • Pagina 26

    4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 26 SMSC USB20H04 DATASHEET 8.4.1.2 EEPROM Configuration Timing Figure 8.4 - Timing to Complete Configuration from EEPROM Table 8.8 - Time Values to Configure From EEPROM NA ME DESCRIPTION MIN TYP MA X UNITS T1 RESET_N asserted 100 nsec T2 (I 2 C) USB20H04 recovery/stabilization ?[...]

  • Pagina 27

    4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 27 Revision 1.63 (03-30-07) DATASHEET 8.4.2 USB Reset When the upstream host signals a reset, the USB20H04 does the following: Note: T he USB20H04 does not propagate the upstr eam USB Reset to downstream devices! 1. Sets default address to 0 2. Sets configurat ion to: un-configured 3. Negates V[...]

  • Pagina 28

    4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 28 SMSC USB20H04 DATASHEET Chapter 9 Hub Descriptors The USB20H04 will not electrically attach to the USB until after it has loaded valid data for all user-defined descriptor fields. A default configuration is present immediately after RESET_N negation. User defined configuration[...]

  • Pagina 29

    4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 29 Revision 1.63 (03-30-07) DATASHEET Table 9.3 - Standard Config u ration Descriptor OFFSET FULL SPEED HIGH SPEED FIELD NAME DESCRIPTION 0 09h 09h bLength Size of this descriptor in bytes 1 02h 02h bDescriptorT ype CONFIGURATION Descriptor Type Total length of data returned for this configurat[...]

  • Pagina 30

    4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 30 SMSC USB20H04 DATASHEET OFFSET FULL SPEED HIGH SPEED FIELD NAME DESCRIPTION 4 01h 01h** bNumInterfaces Number of interfaces supported by this configuration 5 01h 01h bConfigurationValue Value to use to select configuration. 6 00h 00h iConfiguration Index of string descriptor d[...]

  • Pagina 31

    4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 31 Revision 1.63 (03-30-07) DATASHEET Table 9.7 - Interface Descriptor (present if multip le-TT) OFFSET HIGH SPEED FIELD NA ME DESCRIPTION 0 09h bLength Size of this descriptor in bytes 1 04h bDescriptorType INTERFACE Descriptor Type 2 00h bInterfaceNumber Number of this interface 3 01h bAltern[...]

  • Pagina 32

    4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 32 SMSC USB20H04 DATASHEET OFFSET FIELD NA ME VA LUE DESCRIPTION 6 HubContrCurrent user Maximum current requirements of the hub controller electronics in mA. Derived from OEM value. 7 DeviceRemovable user Indicates if port has a removable device attached. Derived from OEM value. [...]

  • Pagina 33

    4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 33 Revision 1.63 (03-30-07) DATASHEET Chapter 10 Application Diagrams The highly-integrated USB20H04 Hub Controller is co mplemented with a minimal number of external components to create a complete four-port Hi-S peed USB hub application. Figure 10.1 illustrates one possible hardware configura[...]

  • Pagina 34

    4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 34 SMSC USB20H04 DATASHEET USB20 H04 (Port 1) Downstream V BUS Power Source VDD3.3 Power Switch OC Sense IN EN OC OUT VBUS1_N OCS1_N GR1_N AM1_N USBDP1 USBDM1 V BUS D+ D- Green Indicator Amber Indicator USB T ype A Connector Figure 10.2 - USB Dow nstream Port Conn ection[...]

  • Pagina 35

    4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 35 Revision 1.63 (03-30-07) DATASHEET Chapter 11 Package Outline Figure 11.1 - 64 Pin TQFP Package Outlin e, 10 x 10 x 1.4 Body, 2 MM Footprint Table 11.1 - 64 Pin TQF P Packag e Parameters MIN NOMINA L MAX REMA RKS A ~ ~ 1.60 Overall Package Height A1 0.05 ~ 0.15 Standoff A2 1.35 ~ 1.45 Bod y [...]