Русский dropdown-ico

Инструкция обслуживания SMSC USB2502

44 страниц 0.7 mb
Скачать

Перейти на страницу of 44

Summary
  • SMSC USB2502 - page 1

    SMSC USB2502 DA T ASHEET Revision 2.3 (08-27-07) Datasheet PRODUCT FEA TURES USB2502 2-Port USB 2.0 Hub Controller  Integrated USB 2.0 Compatible 2-Port Hub — High-S peed (480Mbits/s), Full-S peed (12Mbits/s) and Low-S peed (1.5Mbits/s) compatible — Full power management with ganged power co ntrol — Detects Bus-Power/Self-Power source and ...

  • SMSC USB2502 - page 2

    ORDER NUMBERS: USB2502-AEZG FOR 36 PIN LEAD-FREE ROHS COMP LIANT QFN PACKAGE; USB 2502-HT FOR 48 PIN LEAD- FREE ROHS COMPLIANT TQFP PACKAGE 2-Port USB 2.0 Hub Controller Datasheet Revision 2.3 (08-27-07) 2 SMSC USB2502 DA T ASHEET 80 ARKA Y DRIVE, HAUPP AUG E, NY 1 1788 (6 31) 435-6000, F A X (631) 273-3123 Copyright © 20 07 SMSC or its sub sidiar ...

  • SMSC USB2502 - page 3

    2-Port USB 2.0 Hub Controller Datasheet SMSC USB2502 3 Revision 2.3 (08-27-07) DA T ASHEET T able of Content s Chapter 1 General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.1 OEM Selectable Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • SMSC USB2502 - page 4

    2-Port USB 2.0 Hub Controller Datasheet Revision 2.3 (08-27-07) 4 SMSC USB2502 DA T ASHEET List of T ables Table 2. 1 2-Port Pin Table for 36-QFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Table 2. 2 2-Port Pin Table for 48-TQFP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • SMSC USB2502 - page 5

    2-Port USB 2.0 Hub Controller Datasheet SMSC USB2502 5 Revision 2.3 (08-27-07) DA T ASHEET List of Figures Figure 3.1 2-Port 36-Pin QFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Figure 3.2 2-Port 48-Pin TQFP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • SMSC USB2502 - page 6

    2-Port USB 2.0 Hub Controller Datasheet Revision 2.3 (08-27-07) 6 SMSC USB2502 DA T ASHEET Chapter 1 General Description The SMSC 2-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-S peed Hub. The 2-Port Hub supp orts Low-S peed, Full-S peed, and High-S peed (if oper ...

  • SMSC USB2502 - page 7

    2-Port USB 2.0 Hub Controller Datasheet SMSC USB2502 7 Revision 2.3 (08-27-07) DA T ASHEET Chapter 2 Pin T able 2-Port T able 2.1 2-Port Pin T able for 36-QFN UPSTREAM USB 2.0 INTERF ACE (3 PINS) USBDP0 USBDN0 VBUS_DET 2-PORT USB 2.0 INTERF ACE (10 PINS) USBDP1 USBDN1 USBDP2 USBDN2 GR1/ NON_REM0 GR2/ NON_REM1 PRTPWR_POL RBIAS PRTP WR OCS_N SERIAL P ...

  • SMSC USB2502 - page 8

    2-Port USB 2.0 Hub Controller Datasheet Revision 2.3 (08-27-07) 8 SMSC USB2502 DA T ASHEET T abl e 2.2 2-Port Pin T able for 48-TQFP UPSTREAM USB 2.0 INTERF ACE (3 PINS) USBDP0 USBDN0 VBUS_DET 2-PORT USB 2.0 INTERF ACE (10 PINS) USBDP1 USBDN1 USBDP2 USBDN2 GR1/ NON_REM0 GR2/ NON_REM1 PRTPWR_POL RBIAS PRTP WR OCS_N SERIAL PORT INTERF ACE (3 PINS) SD ...

  • SMSC USB2502 - page 9

    2-Port USB 2.0 Hub Controller Datasheet SMSC USB2502 9 Revision 2.3 (08-27-07) DA T ASHEET Chapter 3 Pin Configuration 2-Port Hub Figure 3.1 2-Port 36-Pin QFN Thermal Slug (must be connected to VSS) SMSC USB2502 (Top View QFN-36) Indicates pins on the bottom of the device. VDDA33 1 USBDP0 2 USBDN0 3 VSS 4 USBDN1 5 USBDP1 6 VDDA33 7 USBDP2 8 USBDN2 ...

  • SMSC USB2502 - page 10

    2-Port USB 2.0 Hub Controller Datasheet Revision 2.3 (08-27-07) 10 SMSC USB2502 DA T ASHEET Figure 3.2 2-Port 48-Pin TQ FP 9''&5 966 ;7 $/ ;7 $/&/.,1 9''$3// 9''$3// 9'' 966 *5121B5(0 *5121B5(0 6(/)B3:5 3573:5B32/ 3573:5 9''$ $ 7(67 ...

  • SMSC USB2502 - page 11

    2-Port USB 2.0 Hub Controller Datasheet SMSC USB2502 1 1 Revision 2.3 (08-27-07) DA T ASHEET Chapter 4 2-Port Hub Block Diagram Figure 4.1 2-Port Bloc k Diagram T able 4.1 2-Port Hub Pin Descript ions NAME SYMBOL T YPE FUNCTION UPSTREAM USB 2.0 INTE RF ACE USB Bus Data USBDN0 USBDP0 IO-U These pins connect to the upstream USB bus data signals. Dete ...

  • SMSC USB2502 - page 12

    2-Port USB 2.0 Hub Controller Datasheet Revision 2.3 (08-27-07) 12 SMSC USB2502 DA T ASHEET 2-PORT USB 2.0 HUB INTERF ACE High-S peed USB Data USBDN[2:1] USBDP[2:1] IO-U These pins connect to the downst ream USB peripheral devices attached to the Hub’s ports. USB Power Enable PRTPWR O8 Enables power to USB peripheral device s (downstream). The ac ...

  • SMSC USB2502 - page 13

    2-Port USB 2.0 Hub Controller Datasheet SMSC USB2502 13 Revision 2.3 (08-27-07) DA T ASHEET SERIAL PORT INTERF ACE Serial Data/SMB Data SDA/SMBDA T A IOSD12 (Serial Data)/(SMB Dat a) signal. Serial Clock/SMB Clock & Config Select 0 SCL/SMBCLK/ CFG_SEL0 IOSD12 (Serial Clock)/(SMB Clock) sig nal. This multifunct ion pin is read on the rising edge ...

  • SMSC USB2502 - page 14

    2-Port USB 2.0 Hub Controller Datasheet Revision 2.3 (08-27-07) 14 SMSC USB2502 DA T ASHEET Analog T est & Internal 1.8V voltage regulator enable A TEST/ REG_EN AIO This signal is used for testing the analog section of the chip, and to ena ble or disable t he internal 1.8v regulato r . This pin must b e connected to VDDA33 to enable t he intern ...

  • SMSC USB2502 - page 15

    2-Port USB 2.0 Hub Controller Datasheet SMSC USB2502 15 Revision 2.3 (08-27-07) DA T ASHEET IOSD12 Open drain….12mA sink with Sch mitt t rigge r , an d must meet I 2C-Bus Specification V ersion 2.1 requirements. ICLKx XT AL Clock Input OCLKx XT AL Clock Output I-R RBIAS IO-U Defined in USB S pecification. Note: Meets USB 1.1 requirements when ope ...

  • SMSC USB2502 - page 16

    2-Port USB 2.0 Hub Controller Datasheet Revision 2.3 (08-27-07) 16 SMSC USB2502 DA T ASHEET Chapter 5 Functional Block Description 5.1 2-Port Hub SMSC’s USB 2.0 2-Port Hub is fully specification co mpliant to the Universal Serial Bus S pecification Revision 2.0 April 27,2000 (12/ 7/2000 and 5/28/2002 Errata). Please re ference Chapter 1 1 (Hub S ...

  • SMSC USB2502 - page 17

    2-Port USB 2.0 Hub Controller Datasheet SMSC USB2502 17 Revision 2.3 (08-27-07) DA T ASHEET 5.1.1.5 High-Speed Disab le Allows an OEM to force the Hub to configure as a Full-S peed device only (i.e. High-S peed not available). This field is set by the OEM using either the SMBus o r EEPROM interface opt ions. 5.1.1.6 EOP Disable During FS operation ...

  • SMSC USB2502 - page 18

    2-Port USB 2.0 Hub Controller Datasheet Revision 2.3 (08-27-07) 18 SMSC USB2502 DA T ASHEET When Dynamic Power switching is enab led, the Hub detects the availability of a local power so urce by monitoring the external SELF_PWR pin. If the Hub detects a change in power source availability , the Hub immediately disconnects and removes power from all ...

  • SMSC USB2502 - page 19

    2-Port USB 2.0 Hub Controller Datasheet SMSC USB2502 19 Revision 2.3 (08-27-07) DA T ASHEET 5.2 EEPROM Interface The SMSC Hub can be co nfigured via a 2-wire (I2C) EEPROM. (Please see T able 4.1, "7-Port Hu b Pin Descriptions" for specific details on how to enable the I2C EEPROM option). The Internal state-machine will, (when con figured ...

  • SMSC USB2502 - page 20

    2-Port USB 2.0 Hub Controller Datasheet Revision 2.3 (08-27-07) 20 SMSC USB2502 DA T ASHEET 5.2.3.1 EEPROM Offset 1:0(h) - V endor ID 5.2.3.2 EEPROM Offset 3:2(h) - Product ID Config Data Byte 1 6 1 88 0C Configuration data byte #1 f or Hub options. Config Data Byte 2 7 1 90 90 Configuration data byte #2 f or Hub options. Non Removable Device 8 1 0 ...

  • SMSC USB2502 - page 21

    2-Port USB 2.0 Hub Controller Datasheet SMSC USB2502 21 Revision 2.3 (08-27-07) DA T ASHEET 5.2.3.3 EEPROM Offset 5:4(h) - Device ID 5.2.3.4 EEPROM Offset 6(h) - CONFIG_BYTE_1 5.2.3.5 EEPROM Offset 7(h) - CONFIG_BYTE_2 BIT NUMBER BIT NAME DESCRIPTION 15:8 DID_MSB Most Significant Byte of the De vice ID. 7:0 DID_LSB Least Significant Byte of the Dev ...

  • SMSC USB2502 - page 22

    2-Port USB 2.0 Hub Controller Datasheet Revision 2.3 (08-27-07) 22 SMSC USB2502 DA T ASHEET 5.2.3.6 EEPROM Offset 8(h) - Non-Removable Device 5.2.3.7 EEPROM Offset 9(h) - Port Disable For Self Powered Operation 5.2.3.8 EEPROM Offs et A(h) - Port Disable For Bus Powered Operation 5:4 OC_TIMER Ove rCurrent T imer: Over Current T imer de lay . 00 = 0. ...

  • SMSC USB2502 - page 23

    2-Port USB 2.0 Hub Controller Datasheet SMSC USB2502 23 Revision 2.3 (08-27-07) 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 5.2.3.1 1 EEPROM Offset D(h) - Hub Controller Max Current For Self Powered Operation BIT NUMBER BIT NAME DESCRIPTION 7:0 MAX ...

  • SMSC USB2502 - page 24

    2-Port USB 2.0 Hub Controller Datasheet Revision 2.3 (08-27-07) 24 SMSC USB2502 DA T ASHEET 5.2.3.12 EEPROM Offs et E(h) - Hub Controller Max Current For Bus Powered Operation 5.2.3.13 EEPROM Of fset F(h) - Power-On T ime 5.3 SMBus Slave Interface Instead of loading User-Defi ned Descriptor data from an external EEPROM, th e SMSC Hub can be configu ...

  • SMSC USB2502 - page 25

    2-Port USB 2.0 Hub Controller Datasheet SMSC USB2502 25 Revision 2.3 (08-27-07) DA T ASHEET 5.3.1.1 Byte Protocols When using the Hub SMBus Interface for byte transfers, a write will always consis t of the SMBus Interface Slave Address byt e, followed by the I nternal Address Register b yte, then the d ata byte. The normal read protocol consists of ...

  • SMSC USB2502 - page 26

    2-Port USB 2.0 Hub Controller Datasheet Revision 2.3 (08-27-07) 26 SMSC USB2502 DA T ASHEET 5.3.4 S lave Device T ime-Out According to the SMBus S pecification, V1.0 devices in a transfer ca n abort the transf er in progress and release the bus when any single clock low interval exceeds 25ms (T TIMEOUT , MIN ). Devices that have detected thi s cond ...

  • SMSC USB2502 - page 27

    2-Port USB 2.0 Hub Controller Datasheet SMSC USB2502 27 Revision 2.3 (08-27-07) DA T ASHEET 5.3.9.1 Register 00h: S t atus/Command (Reset = 0x00) 5.3.9.2 Register 01h: V endor ID (LSB) (Reset = 0x00) 0Ch R/W Max Power (Self) MAXPS 7 6 5 4 3 2 1 0 0Dh R/W Max Power (Bus) MAXPB 7 6 5 4 3 2 1 0 0Eh R/W Hub Controller Max Current (Self) HCMCS 7 6 5 4 3 ...

  • SMSC USB2502 - page 28

    2-Port USB 2.0 Hub Controller Datasheet Revision 2.3 (08-27-07) 28 SMSC USB2502 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) 5.3.9.6 Register 05h: Device ID (LSB) (Reset = 0x00) 5.3.9.7 Register 06h: Device ID (MSB) (Res ...

  • SMSC USB2502 - page 29

    2-Port USB 2.0 Hub Controller Datasheet SMSC USB2502 29 Revision 2.3 (08-27-07) 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 force s attachment as Full-speed only i.e. (no High -S peed support). 0 = High-/Fu ...

  • SMSC USB2502 - page 30

    2-Port USB 2.0 Hub Controller Datasheet Revision 2.3 (08-27-07) 30 SMSC USB2502 DA T ASHEET 5.3.9.10 Register 09h: Non- Removable Device (Reset = 0x00) 5.3.9.1 1 Register 0Ah: Port Disable For Self Powered Operation (Rese t = 0x00) 5.3.9.12 Register 0Bh: Port Disa ble For Bus Powered Operation (Reset = 0x00) 5.3.9.13 Register 0Ch: Max Power For Se ...

  • SMSC USB2502 - page 31

    2-Port USB 2.0 Hub Controller Datasheet SMSC USB2502 31 Revision 2.3 (08-27-07) DA T ASHEET 5.3.9.14 Register 0Dh: Max Power For Bus Powered Operation (Reset = 0x00 ) 5.3.9.15 Register 0Eh: Hub Contr oller Max Curr ent For Self Powered Operation (Reset = 0x 00) 5.3.9.16 Register 0Fh: Hu b Controller Max Curren t For Bus Powered Operation (Res et = ...

  • SMSC USB2502 - page 32

    2-Port USB 2.0 Hub Controller Datasheet Revision 2.3 (08-27-07) 32 SMSC USB2502 DA T ASHEET 5.3.9.19 Reserved Registers Unless otherwise inst ructed, only a ‘0’ may be writ ten to all reserved reg isters or bits. 5.4 Default Configuration Option: The SMSC Hub can be config ured via its internal defa ult conf iguration. (please see for speci fic ...

  • SMSC USB2502 - page 33

    2-Port USB 2.0 Hub Controller Datasheet SMSC USB2502 33 Revision 2.3 (08-27-07) DA T ASHEET 5.6.1 External Hardware RESET_N A valid hardware reset is defined as, assertion of RESET_N for a minimum of 1us after all power supplies are within ope rating range. Whil e reset is asserted, the Hub (a nd its associated external circuitry) consumes less tha ...

  • SMSC USB2502 - page 34

    2-Port USB 2.0 Hub Controller Datasheet Revision 2.3 (08-27-07) 34 SMSC USB2502 DA T ASHEET Notes:  When in Bus-Powered mode, the Hub and its associated circuitry mu st not consume more than 100mA from the upstream USB power source d uring t1+t5.  All Power Supplies mu st have reached th e operating level s mandated in Secti on Chapter 7, &qu ...

  • SMSC USB2502 - page 35

    2-Port USB 2.0 Hub Controller Datasheet SMSC USB2502 35 Revision 2.3 (08-27-07) DA T ASHEET  All Power Supplies mu st have reached th e operating level s mandated in Secti on Chapter 7, "DC Parameters" , prior to (or coincident wi th) the assertion of RESET_N. 5.6.1.3 RESET_N for SMBus Slave Configuration Figure 5.4 Reset_N Timing for ...

  • SMSC USB2502 - page 36

    2-Port USB 2.0 Hub Controller Datasheet Revision 2.3 (08-27-07) 36 SMSC USB2502 DA T ASHEET 5.6.2 U SB Bus Reset In response to the upstream port signaling a reset to the Hub, the Hub does the fol lowing: Note: The Hub does no t propagate the upstream USB reset to dow nstream devices. 1. Sets default address to 0. 2. Sets configuration to: Unconfig ...

  • SMSC USB2502 - page 37

    2-Port USB 2.0 Hub Controller Datasheet SMSC USB2502 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, TEST, Power , and Gro und). This functionali ty is enabled by driving T EST and CFG_SEL[1] high, driving SCLK low and ...

  • SMSC USB2502 - page 38

    2-Port USB 2.0 Hub Controller Datasheet Revision 2.3 (08-27-07) 38 SMSC USB2502 DA T ASHEET Chapter 7 DC Parameters 7.1 Maximum Guaranteed Ratings Note: S tresses above the specif ied parameters could cause permanent damage to the device. This is a stress rating only and functional operation of the device at any condition above those indicated in t ...

  • SMSC USB2502 - page 39

    2-Port USB 2.0 Hub Controller Datasheet SMSC USB2502 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 1.62 1.98 V 3.3V supply voltage V DDA 33 V DDA33PLL V DD33CR 3.0 3.6 V V oltage on any I/O pin -0.3 5.5 V ...

  • SMSC USB2502 - page 40

    2-Port USB 2.0 Hub Controller Datasheet Revision 2.3 (08-27-07) 40 SMSC USB2502 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 2.0 -10 50 0.8 +10 100 V V uA mV TTL Levels V IN = 0 to V DD33 CR O8 and I/O8 Type Buffer Low Output Level High Output Leve l Output Leakage V OL V OH I O ...

  • SMSC USB2502 - page 41

    2-Port USB 2.0 Hub Controller Datasheet SMSC USB2502 41 Revision 2.3 (08-27-07) DA T ASHEET Notes: 1. Output leakage i s measured with t he current pins in hi gh impedance. 2. See USB 2.0 Specification for USB DC electrical characteristics. 3. RBIAS is a 3.3V tolerant analog pin. CAP ACIT ANCE T A = 25°C; fc = 1MHz; V DD33CR = 3.3 V Power Sequenci ...

  • SMSC USB2502 - page 42

    2-Port USB 2.0 Hub Controller Datasheet Revision 2.3 (08-27-07) 42 SMSC USB2502 DA T ASHEET Chapter 8 AC S pecifications 8.1 Oscillator/Clock Crystal: Parallel Resonant, Funda mental Mode, 24 MHz ± 100ppm. External Clock: 50% Duty cycle ± 1 0 % , 2 4 M H z ± 100ppm, Jitter < 100 ps rm s. 8.1.1 S MBus Interface: The SMSC Hub conforms to all vo ...

  • SMSC USB2502 - page 43

    2-Port USB 2.0 Hub Controller Datasheet Revision 2.3 (08-27-07) 43 SMSC USB2502 DA T ASHEET Chapter 9 Package Outlines Figure 9.1 36 Pin QFN Pac kage - SEE SP E C F R O N T P A G E F O R REVISION HISTOR Y -- DECIM AL X.X X.XX X.XXX MATERIAL FI NIS H STD CO MPLI AN C E THIR D ANGL E PRO JECTI O N PR I N T W I T H " S C A LE TO FIT" DO N OT ...

  • SMSC USB2502 - page 44

    2-Port USB 2.0 Hub Controller Datasheet Revision 2.3 (08-27-07) 44 SMSC USB2502 DA T ASHEET Figure 9.2 48 Pin TQFP Package Ou tl ine (7x7x1.4 mm body , 2mm Footprint) Notes: 1. Controlling Unit: millimeter . 2. T ole rance on the true position of the l eads is ± 0.04 mm maximum. 3. Package body dimensions D1 an d E1 do not include t he mold protru ...

Производитель SMSC Категория Switch

Документы, которые мы получаем от производителя устройства SMSC USB2502 мы можем разделить на несколько групп. Это в частности:
- технические чертежи SMSC
- инструкции обслуживания USB2502
- паспорта изделия SMSC
- информационные брошюры
- энергетические этикетки SMSC USB2502
Все из них важны, однако самую важную информацию с точки зрения пользователя мы найдем в инструкции обслуживания SMSC USB2502.

Группа документов, определяемая как инструкции обслуживания, делится также на более подробные типы, такие как: Инструкции монтажа SMSC USB2502, инструкции обслуживания, короткие инструкции или инструкции пользователя SMSC USB2502. В зависимости от потребностей, Вам необходимо поискать требуемый документ. На нашем сайте Вы можете просмотреть самую популярную инструкцию использования изделия SMSC USB2502.

Похожие инструкции обслуживания

Полная инструкция обслуживания устройства SMSC USB2502, как должна выглядеть?
Инструкция обслуживания, определяемая также как пособие пользователя, или просто "руководство" - это технический документ, цель которого заключается в использовании SMSC USB2502 пользователями. Инструкции пишет, как правило технический писатель, языком, доступным для всех пользователей SMSC USB2502.

Полная инструкция обслуживания SMSC, должна заключать несколько основных элементов. Часть из них менее важная, как например: обложка / титульный лист или авторские страницы. Однако остальная часть, должна дать нам важную с точки зрения пользователя информацию.

1. Вступление и рекомендации, как пользоваться инструкцией SMSC USB2502 - В начале каждой инструкции, необходимо найти указания, как пользоваться данным пособием. Здесь должна находится информация, касающаяся местонахождения содержания SMSC USB2502, FAQ и самых распространенных проблем - то есть мест, которые чаще всего ищут пользователи в каждой инструкции обслуживания
2. Содержание - индекс всех советов, касающихся SMSC USB2502, которое найдем в данном документе
3. Советы по использованию основных функций устройства SMSC USB2502 - которые должны облегчить нам первые шаги во время использования SMSC USB2502
4. Troubleshooting - систематизированный ряд действия, который поможет нам диагностировать а в дальнейшем очередность решения важнейших проблем SMSC USB2502
5. FAQ - чаще всего задаваемые вопросы
6. Контактные данные Информация о том, где искать контактные данные производителя / сервисного центра SMSC USB2502 в данной стране, если самостоятельно не получится решить проблему.

У вас вопрос, касающийся SMSC USB2502?

Воспользуйтесь формуляром, находящимся ниже

Если с помощью найденной инструкции Вы не решили свою проблему с SMSC USB2502, задайте вопрос, заполнив следующий формуляр. Если у какого то из пользователей была похожая проблема с SMSC USB2502 со всей вероятностью он захочет поделиться методом ее решения.

Перепишите текст с картинки

Captcha
Новая картинка

Комментарии (0)