Español dropdown-ico

SMSC USB2514 manual

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49

Ir a la página of

manuales de instrucciones parecidos

Buen manual de instrucciones

Las leyes obligan al vendedor a entregarle al comprador, junto con el producto, el manual de instrucciones SMSC USB2514. 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 USB2514 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 USB2514 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 USB2514, 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 USB2514 debe contener:
- información acerca de las especificaciones técnicas del dispositivo SMSC USB2514
- nombre de fabricante y año de fabricación del dispositivo SMSC USB2514
- condiciones de uso, configuración y mantenimiento del dispositivo SMSC USB2514
- 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 USB2514 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 USB2514 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 USB2514, 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 USB2514, 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 USB2514. 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 USB2514 DA T ASHEET Revision 1.98 (1 1-19- 07) Datasheet PRODUCT FEA TURES USB2514 USB 2.0 High-S peed 4-Port Hub Controller General Description The SMSC 4-Port Hub is low power , OEM configurable, MTT (multi transaction transl ator) hub controller IC with 4 downstream ports for embedded USB solutions. The 4-port hub is fully complian t with t[...]

  • Página 2

    ORDER NUMBERS: USB2514-AEZG FOR 36 PIN, QFN LE AD-FREE ROHS COMPLIANT PACKAGE USB2514-HZH FOR 48 PIN, QFN LE AD-FREE ROHS COMPLIANT PACKAGE USB 2.0 High-S peed 4-Port Hub Controller Datasheet Revision 1.98 (1 1-19-07) 2 SMSC USB2514 DA T ASHEET 80 ARKA Y DRIVE, HAUPP AUGE, NY 1 1788 (631) 435-6000 , F AX (631) 273 -3123 Copyright © 20 07 SMSC or i[...]

  • Página 3

    USB 2.0 High-S peed 4 -Port Hub Controller Datasheet SMSC USB2514 3 Revision 1.98 (1 1-19-07) DA T ASHEET T able of Content s Chapter 1 Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Chapter 2 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Página 4

    USB 2.0 High-S peed 4- Port Hub Controller Datasheet Revision 1.98 (1 1-19-07) 4 SMSC USB2514 DA T ASHEET List of Figures Figure 1.1 USB2514 36-Pin QFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Figure 1.2 USB2514 48-Pin QFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Página 5

    USB 2.0 High-S peed 4 -Port Hub Controller Datasheet SMSC USB2514 5 Revision 1.98 (1 1-19-07) DA T ASHEET List of T ables Table 3.1 USB2514 Pin Desc riptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Table 3.2 SMBus or EEPROM Interfac e Behavior . . . . . . . . . . . . . . . . . . . . [...]

  • Página 6

    USB 2.0 High-S peed 4- Port Hub Controller Datasheet Revision 1.98 (1 1-19-07) 6 SMSC USB2514 DA T ASHEET Chapter 1 Pin Configuration Figure 1.1 USB2514 36-Pin QFN Thermal Sl ug (must be connect ed to VSS) SMSC USB 251 4 (To p V iew Q F N -36 ) Indicates pi ns on the bottom of the devi ce . 26 VDD33 25 RESET_N 24 HS_IND/CFG_S EL1 23 SCL /SM BCLK/ C[...]

  • Página 7

    USB 2.0 High-S peed 4 -Port Hub Controller Datasheet SMSC USB2514 7 Revision 1.98 (1 1-19-07) DA T ASHEET Figure 1.2 USB2514 48-Pin QFN Thermal Slug (must be conne cted to VS S) SMSC USB2514 (To p V iew Q FN-48 ) Indi cates pi ns on the bottom of the devi ce . PRTPWR_POL 38 SUSP_IND/ LOCAL_PWR/ NON_REM0 39 LED_A1_N/ PRT_SWP1 37 SEL48 40 VDDA33 41 U[...]

  • Página 8

    USB 2.0 High-S peed 4- Port Hub Controller Datasheet Revision 1.98 (1 1-19-07) 8 SMSC USB2514 DA T ASHEET Chapter 2 Block Diagram Figure 2.1 USB2514 Block Diagram To Upstream V BUS 3.3V Upstream PHY Upstream USB Data Repeater Controller SIE Serial Interface PLL 24 MHz Cr ysta l To EEPROM or SMBus Master Routing & Port Re-Or dering Logic SCK SD [...]

  • Página 9

    USB 2.0 High-S peed 4 -Port Hub Controller Datasheet SMSC USB2514 9 Revision 1.98 (1 1-19-07) DA T ASHEET Chapter 3 Pin Descriptions 3.1 PIN Descriptions This section provides a detailed description of each signal. The signals are arranged in functional groups according to their associated interface. The “N” symbol in the sign al name indicates[...]

  • Página 10

    USB 2.0 High-S peed 4- Port Hub Controller Datasheet Revision 1.98 (1 1-19-07) 10 SMSC USB2514 DA T ASHEET LED_A[4:1]_N/ PRT_SWP[4:1] n/a 13 23 25 37 I/O12 Port LED Indicators & Port Swa p strapping option Indicator LED for ports 1-4. Will be active low when LED support is enabled via EEPROM o r SMBus. If this strap is enabled by package and co[...]

  • Página 11

    USB 2.0 High-S peed 4 -Port Hub Controller Datasheet SMSC USB2514 1 1 Revision 1.98 (1 1-19-07) DA T ASHEET BOOST[1:0], If this strap is en abled by package and configuration settings (see T able 3.2 ), this pin will be sampled at RESET_N negation to determine if all PHY ports (upstream and downstream) operate at a norma l or boosted electrica l le[...]

  • Página 12

    USB 2.0 High-S peed 4- Port Hub Controller Datasheet Revision 1.98 (1 1-19-07) 12 SMSC USB2514 DA T ASHEET RBIAS 35 47 I-R USB T ransceiver Bias A 12.0k Ω (+/- 1%) resistor is attached from gr ound to this pin to set the transceiver ’s internal bias settings. SERIAL PORT INTERF ACE SDA/ SMBDA T A/ NON_REM1 22 29 I/OSD12 Serial Data / SMB Data &a[...]

  • Página 13

    USB 2.0 High-S peed 4 -Port Hub Controller Datasheet SMSC USB2514 13 Revision 1.98 (1 1-19-07) DA T ASHEET CFG_SEL2 n/a 33 I Configuration Programming Se lect Note: This pin is not available in a ll packages; it is held to a logic ‘0’ whe n not available The logic state of this pin is internally latched on the rising edge of RESET_N (RESET_N ne[...]

  • Página 14

    USB 2.0 High-S peed 4- Port Hub Controller Datasheet Revision 1.98 (1 1-19-07) 14 SMSC USB2514 DA T ASHEET SUSP_IND/ LOCAL_PWR/ NON_REM0 28 39 I/O Active/Suspend status LED or Local-Power & Non Removable S trap Option Suspend Indicator: Indi cates USB state of the hub. ‘negated’ = Unconfigure d, or configured and in USB Suspend ‘asserted?[...]

  • Página 15

    USB 2.0 High-S peed 4 -Port Hub Controller Datasheet SMSC USB2514 15 Revision 1.98 (1 1-19-07) DA T ASHEET Notes: T able 3.2 SMBus or EEPROM Interface Behavior CFG_SEL2 CFG_SEL1 CFG_SEL0 SMBUS OR EEPROM INTERFACE BEHAVIOR 36-Pin QFN N/A 0 0 Internal Default Configuration  S tra p Options Enabled  Port Indicators Not Supp orted 48-Pin QFN 00 0[...]

  • Página 16

    USB 2.0 High-S peed 4- Port Hub Controller Datasheet Revision 1.98 (1 1-19-07) 16 SMSC USB2514 DA T ASHEET 3.2 Buffer T ype Descriptions T able 3.3 USB2514 Power , Ground, No Connect PACKAGE SYMBOL 36 QFN 48 QFN FUNCTION VDD18 14 17 VDD Core +1.8V core power . If the interna l regulator is enabled, then this pin must have a 1.0 μ F (or greater) ±[...]

  • Página 17

    USB 2.0 High-S peed 4 -Port Hub Controller Datasheet SMSC USB2514 17 Revision 1.98 (1 1-19-07) DA T ASHEET I/OSD12 Open drain...12mA sink with Schmitt trig ger , and must me et I2C-Bus S pecificatio n V ersion 2.1 requi rements. ICLKx XT AL clock input. OCLKx XT AL clock output. I-R RBIAS. I/O-U Analog Input/Output De fined in USB specification. AI[...]

  • Página 18

    USB 2.0 High-S peed 4- Port Hub Controller Datasheet Revision 1.98 (1 1-19-07) 18 SMSC USB2514 DA T ASHEET Chapter 4 Configuration Options 4.1 4-Port Hub SMSC’s USB 2.0 4-Port Hub is fully specification co mpliant to the Universal Serial Bus S peci fication Revision 2.0 April 27, 2000 (12/7/2000 and 5/28/2002 Errata). Please refe rence Chapter 10[...]

  • Página 19

    USB 2.0 High-S peed 4 -Port Hub Controller Datasheet SMSC USB2514 19 Revision 1.98 (1 1-19-07) DA T ASHEET 4.3 EEPROM Interface The SMSC Hub ca n be configu red via a 2-wire (I2 C) EEPROM (256x8). (Plea se see Ta b l e 3 . 1 for specific details on how to enable configuration via an I2C EEPROM). The Internal state-machine will (when con figured for[...]

  • Página 20

    USB 2.0 High-S peed 4- Port Hub Controller Datasheet Revision 1.98 (1 1-19-07) 20 SMSC USB2514 DA T ASHEET 4.3.1.1 Register 00h: V endor ID (LSB) 4.3.1.2 Register 01h: V endor ID (MSB) 15h R/W SER_STR_LEN SERSL 00h 0x00 16h-53h R/W MFR_STR MANSTR 00h 0x00 54h-91h R/W PROD_STR PRDSTR 00h 0x00 92h-Cfh R/W SER_STR SERSTR 00h 0x00 D0h-F5h R/W Reserved [...]

  • Página 21

    USB 2.0 High-S peed 4 -Port Hub Controller Datasheet SMSC USB2514 21 Revision 1.98 (1 1-19-07) DA T ASHEET 4.3.1.3 Register 02h: Product ID (LSB) 4.3.1.4 Register 03h: Product ID (MSB) 4.3.1.5 Register 04h: Device ID (LSB) 4.3.1.6 Register 05h: Device ID (MSB) BIT NUMBER BIT NAME DESCRIPTION 7:0 PID_LSB Least Significant Byte of the Product ID. Thi[...]

  • Página 22

    USB 2.0 High-S peed 4- Port Hub Controller Datasheet Revision 1.98 (1 1-19-07) 22 SMSC USB2514 DA T ASHEET 4.3.1.7 Register 06h: CONFIG_BYTE_1 BIT NUMBER BIT NAME DESCRIPTION 7 SELF_BUS_PWR Self or Bus Power: Selects between Self- and Bus-Powered operation. The Hub is either Sel f-Powered (dra ws less than 2mA of upstream bus power) or Bus-Powered [...]

  • Página 23

    USB 2.0 High-S peed 4 -Port Hub Controller Datasheet SMSC USB2514 23 Revision 1.98 (1 1-19-07) DA T ASHEET 4.3.1.8 Regis ter 07h: Configuratio n Dat a Byte 2 0 PORT_PWR Port Power Switchi ng: Enables power switching on all ports simultaneously (ganged), or port power is indi vidually sw itched on and off on a port- by-port basis (individual). The a[...]

  • Página 24

    USB 2.0 High-S peed 4- Port Hub Controller Datasheet Revision 1.98 (1 1-19-07) 24 SMSC USB2514 DA T ASHEET 4.3.1.9 Regis ter 08h: Configuratio n Dat a Byte 3 4.3.1.10 Register 09h: No n-Removable De vice BIT NUMBER BIT NAME DESCRIPTION 7:4 Reserved Reserved 3 PRT MAP_EN Port Re-mapping enable : Selects the method used by the hub to assign port numb[...]

  • Página 25

    USB 2.0 High-S peed 4 -Port Hub Controller Datasheet SMSC USB2514 25 Revision 1.98 (1 1-19-07) DA T ASHEET 4.3.1.1 1 Register 0Ah: Port Disa ble For Self Powered Operation 4.3.1.12 Register 0Bh: Port Di sable For Bus Powered Op eration BIT NUMBER BIT NAME DESCRIPTION 7:0 PORT_DIS_SP Port Disable Self-Powered: Disabl es 1 or more contiguous ports. ?[...]

  • Página 26

    USB 2.0 High-S peed 4- Port Hub Controller Datasheet Revision 1.98 (1 1-19-07) 26 SMSC USB2514 DA T ASHEET 4.3.1.13 Register 0Ch: Max Powe r For Self Powered Opera tion 4.3.1.14 Register 0Dh: Max Power For Bus Powered Operation 4.3.1.15 Register 0Eh: Hub Controller Max Current Fo r Self Powered Operation BIT NUMBER BIT NAME DESCRIPTION 7:0 MAX_PW R[...]

  • Página 27

    USB 2.0 High-S peed 4 -Port Hub Controller Datasheet SMSC USB2514 27 Revision 1.98 (1 1-19-07) DA T ASHEET 4.3.1.16 Register 0Fh: Hu b Controller Max Current For Bus Powered Operat ion 4.3.1.17 Register 10h: Power-On T ime 4.3.1.18 Register 1 1h: Language ID High 4.3.1.19 Register 12h: Language ID Low 4.3.1.20 Register 13h: Manufacturer S tring Len[...]

  • Página 28

    USB 2.0 High-S peed 4- Port Hub Controller Datasheet Revision 1.98 (1 1-19-07) 28 SMSC USB2514 DA T ASHEET 4.3.1.21 Register 14h: Product S tring Length 4.3.1.22 Register 15h: Serial S tring Length 4.3.1.23 Register 16h-53h: Manuf acturer S tring 4.3.1.24 Register 54h-91h: Product String BIT NUMBER BIT NAME DESCRIPTION 7:0 PRD_STR_L EN P roduct S t[...]

  • Página 29

    USB 2.0 High-S peed 4 -Port Hub Controller Datasheet SMSC USB2514 29 Revision 1.98 (1 1-19-07) DA T ASHEET 4.3.1.25 Register 92h- CFh: Se rial String 4.3.1.26 Register F6h: Bo ost_Up BIT NUMBER BIT NAME DESCRIPTION 7:0 SER_STR Serial S tring, UNICODE UTF16LE per USB 2.0 S pecification Maximum string length is 31 characters (62 byte s) Note: The S t[...]

  • Página 30

    USB 2.0 High-S peed 4- Port Hub Controller Datasheet Revision 1.98 (1 1-19-07) 30 SMSC USB2514 DA T ASHEET 4.3.1.27 Register F8h: Boost_4:0 BIT NUMBER BIT NAME DESCRIPTION 7:6 BOOST_IOUT_4 Upstream USB electrical signalin g drive stren gth Boost Bit for Downstream Port ‘4’. ‘00’ = Normal electrical drive streng th = No boost ‘01’ = Elev[...]

  • Página 31

    USB 2.0 High-S peed 4 -Port Hub Controller Datasheet SMSC USB2514 31 Revision 1.98 (1 1-19-07) DA T ASHEET 4.3.1.28 Register F Ah: Port Swap 4.3.1.29 Register FBh: Port Remap 12 BIT NUMBER BIT NAME DESCRIPTION 7:0 P RTSP Port Swap: Swaps the Upstream a nd Downstream USB DP and DM Pins for ease of board routing to devices and con nectors. ‘0’ = [...]

  • Página 32

    USB 2.0 High-S peed 4- Port Hub Controller Datasheet Revision 1.98 (1 1-19-07) 32 SMSC USB2514 DA T ASHEET 4.3.1.30 Register FCh: Port Remap 34 7:0 PRTR12 Port remap register for ports 1 & 2. When a hub is enumerated b y a USB Host Controller , the hub is only permitted to report how many ports it ha s; the hub is not permitted to select a nume[...]

  • Página 33

    USB 2.0 High-S peed 4 -Port Hub Controller Datasheet SMSC USB2514 33 Revision 1.98 (1 1-19-07) DA T ASHEET 7:0 PRTR34 Port remap register for ports 3 & 4. When a hub is enumerated b y a USB Host Controller , the hub is only permitted to report how many ports it ha s; the hub is not permitted to select a numerical range or assignment. The Host C[...]

  • Página 34

    USB 2.0 High-S peed 4- Port Hub Controller Datasheet Revision 1.98 (1 1-19-07) 34 SMSC USB2514 DA T ASHEET 4.3.1.31 Register FFh: S tatus/Command 4.3.2 I2C EEPROM The I2C EEPROM interface implement s a subset of the I2C Master S pecification (Please refer to the Philips Semiconductor S tandard I2C-Bus S peci fication for details on I2C b us protoco[...]

  • Página 35

    USB 2.0 High-S peed 4 -Port Hub Controller Datasheet SMSC USB2514 35 Revision 1.98 (1 1-19-07) DA T ASHEET 4.4 SMBus Slave Interface Instead of loading User-Defi ned Descriptor data from an external EEPROM, the SMSC Hub can be configured to receive a code load from an externa l processor via an SMBus interface. The SMBus interface shares the same p[...]

  • Página 36

    USB 2.0 High-S peed 4- Port Hub Controller Datasheet Revision 1.98 (1 1-19-07) 36 SMSC USB2514 DA T ASHEET Block Read A Block Read differs from a block write in that the repe ated start condition exists to satisfy the I2C specification’s requirement for a ch ange in the t ransfer direction . Figure 4.2 Block Rea d 4.4.2 Invalid Protocol Response [...]

  • Página 37

    USB 2.0 High-S peed 4 -Port Hub Controller Datasheet SMSC USB2514 37 Revision 1.98 (1 1-19-07) DA T ASHEET 4.4.7 Bus Reset Sequence The SMBus Slave Interface resets and returns to the idle state upon a ST ART field followed immediately by a STOP field. 4.4.8 SMBus Alert Response Address The SMBALERT# signal is not supported by the Hub. 4.4.8.1 Unde[...]

  • Página 38

    USB 2.0 High-S peed 4- Port Hub Controller Datasheet Revision 1.98 (1 1-19-07) 38 SMSC USB2514 DA T ASHEET Figure 4.3 LED Strapping Option 4.7 Reset There are tw o different resets that the Hub expe riences. One is a hardware reset (either from the internal POR reset circuit or via the RESET_N pin) and the second is a USB Bus Reset. 4.7.1 Internal [...]

  • Página 39

    USB 2.0 High-S peed 4 -Port Hub Controller Datasheet SMSC USB2514 39 Revision 1.98 (1 1-19-07) DA T ASHEET 4.7.2.1 RESET_N for Strappin g Option Configuration Figure 4.4 Reset_N Timing fo r Default/Stra p O ption Mode Notes:  When in Bus-Powered mode, the Hub and its associated circuitry must not consume more than 100mA from the upstream USB pow[...]

  • Página 40

    USB 2.0 High-S peed 4- Port Hub Controller Datasheet Revision 1.98 (1 1-19-07) 40 SMSC USB2514 DA T ASHEET 4.7.2.2 RESET_N for EEPROM Configuration Figure 4.5 Reset_N Ti ming for EEPROM Mode Notes:  When in Bus-Powered mode, the Hub and its associated circuitry must not consume more than 100mA from the upstream USB pow er source during t4 +t5+t6[...]

  • Página 41

    USB 2.0 High-S peed 4 -Port Hub Controller Datasheet SMSC USB2514 41 Revision 1.98 (1 1-19-07) DA T ASHEET 4.7.2.3 RESET_N for SMBus Slave Configuration Figure 4.6 Reset_N Timing for SMBus Mode Notes:  For Bus-Powered configu rations, the 99.5ms (MAX) is re quired, and the Hu b and its associated circuitry must not consume more than 100mA fr om [...]

  • Página 42

    USB 2.0 High-S peed 4- Port Hub Controller Datasheet Revision 1.98 (1 1-19-07) 42 SMSC USB2514 DA T ASHEET 5. Moves device from suspended to active (if suspende d). 6. Complies with Section 1 1.10 of the USB 2.0 S pecif ication for be havior after completion of the reset sequence. The Host then configures the Hub and the Hub’s do wnstream port de[...]

  • Página 43

    USB 2.0 High-S peed 4 -Port Hub Controller Datasheet SMSC USB2514 43 Revision 1.98 (1 1-19-07) DA T ASHEET Chapter 5 DC Parameters 5.1 Maximum Guaranteed Ratings Note: S tresse s above the specified parameters coul d cause perma nent damage to the device. This is a stress rating only and functional operation of the device at any condition above tho[...]

  • Página 44

    USB 2.0 High-S peed 4- Port Hub Controller Datasheet Revision 1.98 (1 1-19-07) 44 SMSC USB2514 DA T ASHEET V oltage on XT AL1 -0.3 V DDA33 V V oltage on XT AL2 -0.3 V DD18 V T ab le 5.1 DC Electrical Char acteristics PARAMETER SYMBOL MIN T YP MAX UNITS COMMENT S I, IS T ype Input Bu ffer Low Input Leve l High Input Level Input Leakage Hysteresis (?[...]

  • Página 45

    USB 2.0 High-S peed 4 -Port Hub Controller Datasheet SMSC USB2514 45 Revision 1.98 (1 1-19-07) DA T ASHEET Note 5.1 Output leakage is measured w ith the current pins in hi gh impedance. Note 5.2 See USB 2.0 S pe cification for U SB DC el ectrical characteristi cs. IO-U ( Note 5.2 ) Supply Current Unconfigured High-S peed Host Full-S pee d Host I CC[...]

  • Página 46

    USB 2.0 High-S peed 4- Port Hub Controller Datasheet Revision 1.98 (1 1-19-07) 46 SMSC USB2514 DA T ASHEET CAP ACIT ANCE T A = 25°C; fc = 1MHz; V DD18 , V DDPLL = 1.8 V T able 5.2 Pin Cap acit ance LIMIT S PARAMETER SYMBOL MIN T YP MAX UNIT T EST CONDITION Clock Input Capacitance C XT AL 2 pF All pins except USB pins (and pi ns under test tied to [...]

  • Página 47

    USB 2.0 High-S peed 4 -Port Hub Controller Datasheet SMSC USB2514 47 Revision 1.98 (1 1-19-07) DA T ASHEET Chapter 6 AC S pecifications 6.1 Oscillator/Clock Crystal: Parallel Resonant, Fundamental Mode, 24 MHz ± 350ppm. External Clock: 50% Duty cycl e ± 10%, 24/48 MHz ± 350ppm, Jitter < 100 ps rms. Figure 6.1 T ypical Crystal Circuit Note: C [...]

  • Página 48

    SMSC USB2514 48 Revision 1.98 (1 1-19-07) DA T ASHEET USB 2.0 High-S peed 4- Port Hub Controller Datasheet Chapter 7 Package Outlines Figure 7.1 36-Pin QFN, 6x6mm Body , 0.5mm Pitch[...]

  • Página 49

    SMSC USB2514 49 Revision 1.98 (1 1-19-07) DA T ASHEET USB 2.0 High-S peed 4- Port Hub Controller Datasheet Figure 7.2 48-Pin QFN, 7x7mm Body , 0.5mm Pitch[...]