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SMSC LAN9512 manual

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Buen manual de instrucciones

Las leyes obligan al vendedor a entregarle al comprador, junto con el producto, el manual de instrucciones SMSC LAN9512. La falta del manual o facilitar información incorrecta al consumidor constituyen una base de reclamación por no estar de acuerdo el producto con el contrato. Según la ley, está permitido adjuntar un manual de otra forma que no sea en papel, lo cual últimamente es bastante común y los fabricantes nos facilitan un manual gráfico, su versión electrónica SMSC LAN9512 o vídeos de instrucciones para usuarios. La condición es que tenga una forma legible y entendible.

¿Qué es un manual de instrucciones?

El nombre proviene de la palabra latina “instructio”, es decir, ordenar. Por lo tanto, en un manual SMSC LAN9512 se puede encontrar la descripción de las etapas de actuación. El propósito de un manual es enseñar, facilitar el encendido o el uso de un dispositivo o la realización de acciones concretas. Un manual de instrucciones también es una fuente de información acerca de un objeto o un servicio, es una pista.

Desafortunadamente pocos usuarios destinan su tiempo a leer manuales SMSC LAN9512, sin embargo, un buen manual nos permite, no solo conocer una cantidad de funcionalidades adicionales del dispositivo comprado, sino también evitar la mayoría de fallos.

Entonces, ¿qué debe contener el manual de instrucciones perfecto?

Sobre todo, un manual de instrucciones SMSC LAN9512 debe contener:
- información acerca de las especificaciones técnicas del dispositivo SMSC LAN9512
- nombre de fabricante y año de fabricación del dispositivo SMSC LAN9512
- condiciones de uso, configuración y mantenimiento del dispositivo SMSC LAN9512
- marcas de seguridad y certificados que confirmen su concordancia con determinadas normativas

¿Por qué no leemos los manuales de instrucciones?

Normalmente es por la falta de tiempo y seguridad acerca de las funcionalidades determinadas de los dispositivos comprados. Desafortunadamente la conexión y el encendido de SMSC LAN9512 no es suficiente. El manual de instrucciones siempre contiene una serie de indicaciones acerca de determinadas funcionalidades, normas de seguridad, consejos de mantenimiento (incluso qué productos usar), fallos eventuales de SMSC LAN9512 y maneras de solucionar los problemas que puedan ocurrir durante su uso. Al final, en un manual se pueden encontrar los detalles de servicio técnico SMSC en caso de que las soluciones propuestas no hayan funcionado. Actualmente gozan de éxito manuales de instrucciones en forma de animaciones interesantes o vídeo manuales que llegan al usuario mucho mejor que en forma de un folleto. Este tipo de manual ayuda a que el usuario vea el vídeo entero sin saltarse las especificaciones y las descripciones técnicas complicadas de SMSC LAN9512, como se suele hacer teniendo una versión en papel.

¿Por qué vale la pena leer los manuales de instrucciones?

Sobre todo es en ellos donde encontraremos las respuestas acerca de la construcción, las posibilidades del dispositivo SMSC LAN9512, el uso de determinados accesorios y una serie de informaciones que permiten aprovechar completamente sus funciones y comodidades.

Tras una compra exitosa de un equipo o un dispositivo, vale la pena dedicar un momento para familiarizarse con cada parte del manual SMSC LAN9512. Actualmente se preparan y traducen con dedicación, para que no solo sean comprensibles para los usuarios, sino que también cumplan su función básica de información y ayuda.

Índice de manuales de instrucciones

  • Página 1

    SMSC LAN9512 Revision 1.0 (04-20-09) DA T ASHEET Datasheet PRODUCT FEA TURES LAN9512 USB Hub with Integrated 10/100 Ethernet Controller Highlight s  T wo downstream ports, one upstream port — T wo integrated downstream USB 2.0 PHYs — One integrated upstream USB 2.0 PHY  Integrated 10/100 Ethernet MAC with full-d uplex support  Integrat[...]

  • Página 2

    ORDER NUMBERS: LAN9512-JZX FOR 64-PIN, QFN LEAD-FREE ROHS COMPLIA NT P ACKAGE (0 TO +70°C TEMP RANGE) USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 2 SMSC LAN9512 DA T ASHEET 80 ARKA Y DRIVE, HAUPP AUG E, NY 1 1788 (631) 435-6 000, F AX (631) 273 -3123 Copyright © 20 09 SMSC or its sub sidiaries. All righ ts[...]

  • Página 3

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 3 Revision 1.0 (04-20-09) DA T ASHEET T able of Content s Chapter 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.1 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Página 4

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 4 SMSC LAN9512 DA T ASHEET List of Figures Figure 1.1 Internal Blo ck Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Figure 2.1 LAN9512 64-QFN Pin Assignments (TOP VIEW) . . . . . . . . . . . [...]

  • Página 5

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 5 Revision 1.0 (04-20-09) DA T ASHEET List of T ables Table 2.1 EEPROM Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Table 2.2 JTAG Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Página 6

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 6 SMSC LAN9512 DA T ASHEET Chapter 1 Introduction 1.1 Block Diagram 1.1.1 Overview The LAN9512 is a high performance Hi-S peed USB 2.0 hub with a 10/100 Ethernet controller . With applications ranging from embedde d systems, desktop PCs, notebook PCs, printers, gam[...]

  • Página 7

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 7 Revision 1.0 (04-20-09) DA T ASHEET 1.1.2 USB Hub The integrated USB hub is ful ly compliant with the US B 2.0 S pecification and will attach to a USB host as a Full-S peed Hub or as a Full-/High-S peed Hu b. The hub supports Low-S peed, Full-S peed, and High-S peed (if ope[...]

  • Página 8

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 8 SMSC LAN9512 DA T ASHEET  SUSPEND1: Supports GPIO and “Link S tatus Change” for remote wakeup events. This suspend state consumes less power than SUSPEND0.  SUSPEND2: Supports only GPIO assertion for a remote wakeup event. This is the default suspend mo[...]

  • Página 9

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 9 Revision 1.0 (04-20-09) DA T ASHEET Chapter 2 Pin Description and Configuration Figure 2.1 LAN9512 64-QFN Pin As signments (T OP VIEW) NOTE: Exposed pad ( VSS) on bottom of package must be connected t o ground NOTE: When HP Auto-MDIX i s activated, t he TXN/TXP pins can fun[...]

  • Página 10

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 10 SMSC LAN9512 DA T ASHEET T able 2 .1 EEPROM Pins NUM PINS NAME SYMBOL BUFFER TYPE DESCRIPTION 1 EEPROM Data In EEDI IS (PD) This pin is driven by the EEDO output of the external EEPROM. 1 EEPROM Data Out EEDO O8 This pin drives the EE DI input of the external EE[...]

  • Página 11

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 1 1 Revision 1.0 (04-20-09) DA T ASHEET 1 Ethernet Link Activity Indicator LED nLNKA_LED OD12 (PU) This pin is driven low (LED on) when a valid link is detected. This pin is pulsed hig h (LED off) for 80mS whenever transmit or receive activity is detected. This pin is then dr[...]

  • Página 12

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 12 SMSC LAN9512 DA T ASHEET 1 T est 2 TEST2 - Used for factory testing, this pi n must always be connected to VSS fo r proper operation. 1 T est 3 TEST3 - Used for factory testing, this pi n must always be connected to VDD33IO for prop er operation. 1 24 MHz Clock [...]

  • Página 13

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 13 Revision 1.0 (04-20-09) DA T ASHEET 1 External USB Bias Resistor USBRBIAS AI Used for setting HS transmit current level and on- chip termination impeda nce. Connect to an external 1 2K 1.0% resistor to ground. 1 USB PLL +1.8V Power Supply VDD18USBPLL P Refer to the LAN9512[...]

  • Página 14

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 14 SMSC LAN9512 DA T ASHEET Note 2.1 Exposed pad on package bottom ( Figure 2.1 ). T able 2.6 I/O Power Pins, Core Power Pins, and Ground Pad NUM PINS NAME SYMBOL BUFFER TYPE DESCRIPTION 5 +3.3V I/O Power VDD33IO P +3.3V Power Supply for I/O Pins. Refer to the LAN9[...]

  • Página 15

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 15 Revision 1.0 (04-20-09) DA T ASHEET T able 2.8 64-QFN Packa ge Pin Assignments PIN NUM PIN NAME PIN NUM PIN NAME PIN NUM PIN NA ME PIN NUM PIN NAME 1 USBDM2 17 NC 33 VDD33IO 49 VDD33A 2 USBDP2 18 NC 34 TEST2 50 EXRES 3 USBDM3 19 VDD33IO 35 GPIO3 51 VDD33A 4 USBDP3 20 nFDX_[...]

  • Página 16

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 16 SMSC LAN9512 DA T ASHEET 2.1 Port Power Contro l This section details the usage of t he port power control pins PRTCTL[3:2]. 2.1.1 Port Power Control Using a USB Power Switch The LAN9512 has a sing le port power control and ove r-current sense signal for each do[...]

  • Página 17

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 17 Revision 1.0 (04-20-09) DA T ASHEET 2.1.2 Port Power Control Using a Poly Fuse When using theLAN9512 with a poly fuse, an external diode must be used (See F igure 2.3 ). When disabling port power , the driver will drive a ‘0’. This procedure will have no effect since t[...]

  • Página 18

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 18 SMSC LAN9512 DA T ASHEET Many customers use a single poly fuse to power all their devices. For the gange d situation, all power control pins must be tied together . Figure 2.4 Port Power with Ganged Control with Poly Fuse USB Device Poly Fuse 5V USB Device PRTCT[...]

  • Página 19

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 19 Revision 1.0 (04-20-09) DA T ASHEET 2.2 Buffer T ypes T abl e 2.9 Buffer T ypes BUFFER TYPE DESCRIPTION IS Schmitt-triggered Input IS_5V 5V T oleran t Schmitt-triggered Input O8 Output with 8mA si nk and 8mA source OD8 Open-drain output with 8mA sink O12 Output with 12mA s[...]

  • Página 20

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 20 SMSC LAN9512 DA T ASHEET Chapter 3 EEPROM Controller (EPC) LAN9512 may use an external EEPROM to store the default values for the USB descriptors and the MAC address. The EEPROM controller supports most “93C46” type EEPROMs. A total of nine address bits are [...]

  • Página 21

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 21 Revision 1.0 (04-20-09) DA T ASHEET 09h Configuration Flags 0Ah Language ID Descriptor [7:0 ] 0Bh Language ID Descriptor [15:8] 0Ch Manufacturer ID S tring Descriptor Length (bytes) 0Dh Manufacturer ID S tring Descriptor EEPROM Word Of fset 0Eh Product Name String Descript[...]

  • Página 22

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 22 SMSC LAN9512 DA T ASHEET Note: EEPROM byte addresses past 39h can be used to store data for any purpose. T abl e 3.2 describes the Co nfiguration Flags 2Ch M ax Power (Self) Register (MAXPS) 2Dh M ax Power (Bus) Register (MAXPB) 2Eh Hub Controller Max Current (S[...]

  • Página 23

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 23 Revision 1.0 (04-20-09) DA T ASHEET 3.1.1 Hub Configuration EEPROM offset s 20h through 39h comprise the Hub Configuration parameters. T able 3.3 describes these parameters and their def ault ROM values (V alues assum ed if no valid EEPROM present). T able 3.3 Hub Configur[...]

  • Página 24

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 24 SMSC LAN9512 DA T ASHEET 2Ah Port Disable (Self) Register (PDS) Disables 1 or more ports. 0 = Port is available 1 = Port is disabled During Self-Powered opera tion, this selects the ports which will be permanentl y disabled, and are n ot available to be enable d[...]

  • Página 25

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 25 Revision 1.0 (04-20-09) DA T ASHEET 2Eh Hub Controller Max Current (Self) Register (HCMCS) V alue in 2mA increments that the Hub con sumes from an upstream port (VBUS) when operating as a self-powere d hub. This value includes the hub silicon along with the combined power [...]

  • Página 26

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 26 SMSC LAN9512 DA T ASHEET 36h Port Remap 12 Register (PRTR12) When a hub is enumerated by a USB Host C ontroller, the hub is only permitted to report how many ports it has. The hub is not permitted to select a numerical range or assignment. The Host Controller wi[...]

  • Página 27

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 27 Revision 1.0 (04-20-09) DA T ASHEET Note 3.1 Default value is depe ndent on device revi sion. 37h Port Remap 3 Regis ter (PRTR3) When a hub is enumerated by a USB Host C ontroller , the hub is only permitted to report how many ports it has. The hub is not permitted to sele[...]

  • Página 28

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 28 SMSC LAN9512 DA T ASHEET T able 3.4 Config Dat a Byte 1 Register (CFG1 ) Format BIT S DESCRIPTION DEFAULT 7 Self or Bus Power (SELF_BUS_PWR) Selects between Self or Bus-Powered opera tion. 0 = Bus-Powered 1 = Self-Power ed The Hub is either Self-Po wered (d raws[...]

  • Página 29

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 29 Revision 1.0 (04-20-09) DA T ASHEET 2:1 Over Current Sense (CURRENT_SNS) Selects current sensing on a port-b y-port basis, all ports ganged, o r none (only for bus-powered hubs) The abil ity to support current sensing on a port or ganged basis is hardwa re implementation d[...]

  • Página 30

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 30 SMSC LAN9512 DA T ASHEET T able 3.6 Config Dat a Byte 3 Register (CFG3 ) Format BIT S DESCRIPTION DEFAULT 7:4 RESERVE D 0h 3 Port Re-Mapping Enable (PRTMAP_EN) Selects the method used by the Hub to assig n port numbers and disable ports. 0 = S tandard Mode. The [...]

  • Página 31

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 31 Revision 1.0 (04-20-09) DA T ASHEET 3:2 Up stream USB Electric al Signaling Drive Strength Boost Bit for Downstream Port 2 (B OOST_IOUT_2) 00 = Normal electrical drive streng th 01 = Elevated electrical dr ive strength (+4% boo st) 10 = Elevated electrical dr ive strength [...]

  • Página 32

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 32 SMSC LAN9512 DA T ASHEET 3.2 EEPROM Default s The signature value o f 0xA5 is stored at address 0. A diff erent signature value indicates to the EEPROM controller that no EEPROM or an un-progr ammed EEPROM is attached to the device. In this case, the hardware de[...]

  • Página 33

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 33 Revision 1.0 (04-20-09) DA T ASHEET 3.4 An Example of EEPROM Format Interpret ation T able 3.1 1 and T able 3.12 provide an example of how the c ontents of a EEPROM are formatted. T abl e 3.1 1 is a dump of the EEPROM memory (256-byte EEPROM), while T able 3.12 illustrates[...]

  • Página 34

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 34 SMSC LAN9512 DA T ASHEET T able 3.12 EEPROM Example - 256 Byte EEPROM EEPROM ADDRESS EEPROM CONTENT S (HEX) DESCRIPTION 00h A5 EEPRO M Programmed Ind icator 01h-06h 12 34 56 7 8 9A BC MAC Address 12 34 56 78 9A BC 07h 01 Full-Speed Polling Interval for Interrupt[...]

  • Página 35

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 35 Revision 1.0 (04-20-09) DA T ASHEET 21h 04 V endor ID MSB Register (VIDM) 22h 12 Product ID LSB Register (PID L) 23h 95 Product ID MSB Register (PIDM) 24h 00 Device ID LSB Register (D IDL) 25h 01 Device ID MSB Register (DIDM) 26h 9B Config Data Byte 1 Register (CFG1) 27h 1[...]

  • Página 36

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 36 SMSC LAN9512 DA T ASHEET 48h FF Class Code 49h 00 Subcla ss Code 4Ah FF Protocol Code 4Bh 40 Maximum Packet Size for Endpoint 0 4Ch-4Dh 24 04 V endor ID (0424h) 4Eh-4Fh 00 EC Product ID (EC00h) 50h-51h 00 01 Device Release Numb er (0100h) 52h 01 Index of Manufac[...]

  • Página 37

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 37 Revision 1.0 (04-20-09) DA T ASHEET 6Ch FF Class Code 6Dh 00 Subclass Code 6Eh FF Protocol Code 6Fh 40 Maximum Packet Size for Endpoint 0 70h-71h 24 04 V endor ID (0424h) 72h-73h 00 EC Product ID (EC00h) 74h-75h 00 01 Device Release Numb er (0100h) 76 01 Index of Man ufact[...]

  • Página 38

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 38 SMSC LAN9512 DA T ASHEET Chapter 4 Operational Characteristics 4.1 Absolute Maximum Ratings* Supply V oltage (VDD33IO, VDD33A) ( Note 4.1 ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V to +3.6V Positive voltage on signal pins, with resp[...]

  • Página 39

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 39 Revision 1.0 (04-20-09) DA T ASHEET 4.3 Power Consumption This section details the power consumption of the device as me asured during variou s modes of operation. Power dissipation is determined by temper ature, supply voltage, and external so urce/sink requirements. 4.3.[...]

  • Página 40

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 40 SMSC LAN9512 DA T ASHEET 4.4 DC S pecifications Note 4.5 This specification appli es to all inputs and tri-stated bi-directional pins. In ternal pull-down and pull-up resi stors add +/- 50uA p er-pin (typical) T able 4.2 I/O Buffer Characteristics PARAMETER SYMB[...]

  • Página 41

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 41 Revision 1.0 (04-20-09) DA T ASHEET Note 4.6 This is the total 5.5V input l eakage for the entire device. Note 4.7 XI can optionally be d riven from a 25MHz single-ended clock oscil lator . Note 4.8 Measured at line side of transformer , line replaced by 100 Ω (+/- 1%) re[...]

  • Página 42

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 42 SMSC LAN9512 DA T ASHEET 4.5 AC S pecifications This section details the various AC ti ming specifications of the LAN9512. Note: The USBDP and USBDM pin timing adheres to th e USB 2.0 specification. Refer to the Universal Serial Bus Revisio n 2.0 specification f[...]

  • Página 43

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 43 Revision 1.0 (04-20-09) DA T ASHEET 4.5.3 EEPROM Timing The following specifies th e EEPROM timing requirements for LAN9512: Figure 4.1 EEPROM Timing T able 4.5 EEPROM Timing V alues SYMBOL DESCRIPTION MIN TYP MAX UNITS t ckcyc EECLK Cycle time 1 1 10 1 130 ns t ckh EECLK [...]

  • Página 44

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 44 SMSC LAN9512 DA T ASHEET 4.6 Clock Circuit LAN9512 can accept either a 25MHz crystal (preferred) or a 25MHz single-e nded clock oscillator (+/- 50ppm) input. If the single -ended clock oscillator method is implemented, XO should be lef t unconnected and XI shoul[...]

  • Página 45

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 45 Revision 1.0 (04-20-09) DA T ASHEET Chapter 5 Package Outline 5.1 64-QFN Package Figure 5.1 LAN9512 64-QFN Package Definition T able 5.1 LAN9512 64-QFN Dimensions MIN NOMINAL MAX REMARKS A 0.80 0.85 1.00 Overall Package Height A1 0.00 0.02 0.05 S tandoff A2 - 0.65 0.80 Mol[...]

  • Página 46

    USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 46 SMSC LAN9512 DA T ASHEET Notes: 1. All dimensions are in mill imeters unless otherwise noted. 2. Dimension “b” applies to plated termina ls and is m easured between 0.15 and 0.30 mm from the ter minal tip. 3. Details of terminal #1 identifier are optional, b[...]