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Manual SMSC USB2512

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  • SMSC USB2512 - page 1

    SMSC USB2512 DA T ASHEET Revision 1.92 (1 1-28-07) Datasheet PRODUCT FEA TURES USB2512 USB 2.0 High-S peed 2-Port Hub Controller General Description The SMSC 2-Port Hub is a low power , OEM configurable, STT (Single transaction translator) hub controller IC with 2 downstream ports for embedded USB solutions. The 2-port hub is fully comp liant with ...

  • SMSC USB2512 - page 2

    ORDER NUMBER(S): USB2512-AEZG FOR 36 PIN, QFN LE AD-FREE ROHS COMPLIANT PACKAGE USB 2.0 High-S peed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 2 SMSC USB2512 DA T ASHEET 80 ARKA Y DRIVE, HAUPP AUGE, NY 1 1788 (631) 435-6 000, FA X (631) 273-3123 Copyright © 20 07 SMSC or its subsidiari es. All rights reserved. Circuit diagrams and o ...

  • SMSC USB2512 - page 3

    USB 2.0 High-S peed 2-Port Hub Contr oller Datasheet SMSC USB2512 3 Revision 1.92 (1 1-28-07) DA T ASHEET T able of Content s Chapter 1 Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Chapter 2 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • SMSC USB2512 - page 4

    USB 2.0 High-S peed 2-Port Hub Contr oller Datasheet SMSC USB2512 4 Revision 1.92 (1 1-28-07) DA T ASHEET List of Figures Figure 1.1 USB2512 36-Pin QFN (Embedded Footprint) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Figure 2.1 USB2512 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • SMSC USB2512 - page 5

    USB 2.0 High-S peed 2-Port Hub Contr oller Datasheet SMSC USB2512 5 Revision 1.92 (1 1-28-07) DA T ASHEET List of T ables Table 3.1 USB2512 Pin Desc riptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Table 3.2 SMBus or EEPROM Interfac e Behavior . . . . . . . . . . . . . . . . . . . . ...

  • SMSC USB2512 - page 6

    USB 2.0 High-S peed 2-Port Hub Contr oller Datasheet SMSC USB2512 6 Revision 1.92 (1 1-28-07) DA T ASHEET Chapter 1 Pin Configuration Figure 1.1 USB2512 36-Pin QFN (Emb edded Footprint) Thermal Slug (must be connected to VSS) SMSC USB2512 Embedded Footprint (Top View QFN-36) Indicates pins on the bottom of the device. 26 VDD33 25 RESET_N 24 HS_IND/ ...

  • SMSC USB2512 - page 7

    USB 2.0 High-S peed 2-Port Hub Contr oller Datasheet SMSC USB2512 7 Revision 1.92 (1 1-28-07) DA T ASHEET Chapter 2 Block Diagram Figure 2.1 USB2512 Block Diagram To U pst r eam V BUS 3. 3V U pst ream PHY Up st r ea m USB Da t a R epeat er Cont r o l l er SI E Ser i a l In te r f a c e PLL 24 M H z Cryst al To EEPRO M or SM B us M ast e r Ro ut i n ...

  • SMSC USB2512 - page 8

    USB 2.0 High-S peed 2-Port Hub Contr oller Datasheet SMSC USB2512 8 Revision 1.92 (1 1-28-07) 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 ...

  • SMSC USB2512 - page 9

    USB 2.0 High-S peed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 9 SMSC USB2512 DA T ASHEET SERIAL PORT INTERF ACE SDA/ SMBDA T A/ NON_REM1 22 I/OSD12 Serial Data / SMB Data & Port Non Removable S trap Option NON_REM1: Non removable port strap option. If this strap is enabled by package and configura tion settings (see Ta b l e 3 . ...

  • SMSC USB2512 - page 10

    USB 2.0 High-S peed 2-Port Hub Contr oller Datasheet SMSC USB2512 10 Revision 1.92 (1 1-28-07) DA T ASHEET XT AL2 32 OCLKx Crystal Output 24MHz Crystal This is the other terminal of the crystal, or a NO-CONNECT when an external clock source is used to drive XT AL1/CLKIN. This output must not be use d to drive any external circu itry other than the ...

  • SMSC USB2512 - page 11

    USB 2.0 High-S peed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 1 1 SMSC USB2512 DA T ASHEET 0 1 Configured as an SMBus slave for e xternal download of user-defined descriptors .  SMBus slave address 58 (0101 100x)  S trap Options Disabled  All Settings Controlled by Re gisters 1 0 Internal Default Configurati on  S trap O ...

  • SMSC USB2512 - page 12

    USB 2.0 High-S peed 2-Port Hub Contr oller Datasheet SMSC USB2512 12 Revision 1.92 (1 1-28-07) DA T ASHEET 3.2 Buffer T ype Descriptions T able 3.4 USB2512 Buffer T ype Des criptions BUFFER DESCRIPTION I Input. IPD Input with internal weak pull -down resistor . IPU Input with internal weak pull-u p resistor . IS Input with Schmitt trigger . O12 Out ...

  • SMSC USB2512 - page 13

    USB 2.0 High-S peed 2-Port Hub Contr oller Datasheet SMSC USB2512 13 Revision 1.92 (1 1-28-07) DA T ASHEET Chapter 4 Configuration Options 4.1 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 reference Chapter 10 ( ...

  • SMSC USB2512 - page 14

    USB 2.0 High-S peed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 14 SMSC USB2512 DA T ASHEET 4.2.1.1 Register 00h: V e ndor ID (LSB) 03h R/W PID MSB PIDM 25h 0x00 04h R/W DID LSB DIDL 00h 0x00 05h R/W DID MSB DIDM 00h 0x00 06h R/W Co nfig Data Byte 1 CFG1 8Bh 0x00 07h R/W Config Data Byte 2 CFG2 10h 0x00 08h R/W Config Data Byte 3 CFG3 ...

  • SMSC USB2512 - page 15

    USB 2.0 High-S peed 2-Port Hub Contr oller Datasheet SMSC USB2512 15 Revision 1.92 (1 1-28-07) DA T ASHEET 4.2.1.2 Register 01h: V e ndor ID (MSB) 4.2.1.3 Register 02h: Product ID (LSB) 4.2.1.4 Register 03h: Product ID (MSB) 4.2.1.5 Register 04h: Device ID (LSB) 4.2.1.6 Register 05h: Device ID (MSB) BIT NUMBER BIT NAME DESCRIPTION 7:0 VID_MSB Most ...

  • SMSC USB2512 - page 16

    USB 2.0 High-S peed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 16 SMSC USB2512 DA T ASHEET 4.2.1.7 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 ( ...

  • SMSC USB2512 - page 17

    USB 2.0 High-S peed 2-Port Hub Contr oller Datasheet SMSC USB2512 17 Revision 1.92 (1 1-28-07) DA T ASHEET 4.2.1.8 Register 07h: Configurat ion Data Byte 2 0 PORT_PWR Port Power Switchi ng: Enables power switching on all ports simultaneously (ganged), or port power is individually switched on and off on a port- by-port basis (individual). The abi l ...

  • SMSC USB2512 - page 18

    USB 2.0 High-S peed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 18 SMSC USB2512 DA T ASHEET 4.2.1.9 Register 08h: Configurat ion Data Byte 3 4.2.1.10 Register 09h: No n-Removable Device BIT NUMBER BIT NAME DESCRIPTION 7:4 Reserved Reserved 3 PRTMAP_EN Port Re-ma pping enable: Selects the method used by the hub to assign port numbers a ...

  • SMSC USB2512 - page 19

    USB 2.0 High-S peed 2-Port Hub Contr oller Datasheet SMSC USB2512 19 Revision 1.92 (1 1-28-07) DA T ASHEET 4.2.1.1 1 Register 0Ah: Port Disa ble For Self Powered Operation 4.2.1.12 Register 0Bh: Port Di sable For Bus Powered Operation 4.2.1.13 Register 0Ch: Max Powe r For Self Powered Operation BIT NUMBER BIT NAME DESCRIPTION 7:0 PORT_DIS_SP Port D ...

  • SMSC USB2512 - page 20

    USB 2.0 High-S peed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 20 SMSC USB2512 DA T ASHEET 4.2.1.14 Register 0Dh: Max Power For Bus Powered Operation 4.2.1.15 Register 0Eh: Hub Controller Max Current Fo r Self Powered Operation 4.2.1.16 Register 0Fh: Hu b Controller Max Current For Bus Powere d Operation 7:0 MAX_PWR_SP Max Power Self ...

  • SMSC USB2512 - page 21

    USB 2.0 High-S peed 2-Port Hub Contr oller Datasheet SMSC USB2512 21 Revision 1.92 (1 1-28-07) DA T ASHEET 4.2.1.17 Register 10h: Power-On T ime 4.2.1.18 Register F6h: Bo ost_Up 4.2.1.19 Register F8h: Boost_2:0 BIT NUMBER BIT NAME DESCRIPTION 7:0 POWER_ON_TIME Power On T ime: The length of time that it takes (in 2 ms intervals) from the time the ho ...

  • SMSC USB2512 - page 22

    USB 2.0 High-S peed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 22 SMSC USB2512 DA T ASHEET 4.2.1.20 Register F Ah: Port Swap BIT NUMBER BIT NAME DESCRIPTION 7:0 PRTSP Port Swap: Swaps the Upstream a nd Downstream USB DP and DM Pins for ease of board routing to devices and con nectors. ‘0’ = USB D+ functionality is associated with ...

  • SMSC USB2512 - page 23

    USB 2.0 High-S peed 2-Port Hub Contr oller Datasheet SMSC USB2512 23 Revision 1.92 (1 1-28-07) DA T ASHEET 4.2.1.21 Register FBh: Port Remap 12 BIT NUMBER BIT NAME DESCRIPTION 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 i ...

  • SMSC USB2512 - page 24

    USB 2.0 High-S peed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 24 SMSC USB2512 DA T ASHEET 4.2.1.22 Register FFh: S tatus /Command 4.2.2 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 Specification for details on I2C bus protocols) ...

  • SMSC USB2512 - page 25

    USB 2.0 High-S peed 2-Port Hub Contr oller Datasheet SMSC USB2512 25 Revision 1.92 (1 1-28-07) DA T ASHEET 4.2.3 In-Circuit EEPROM Programming The EEPROM can be programmed via A T E by pulling RESET_N low (which tri-states the Hub’ s EEPROM interface and allows an exter nal source to program the EEPROM). 4.3 SMBus Slave Interface Instead of loadi ...

  • SMSC USB2512 - page 26

    USB 2.0 High-S peed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 26 SMSC USB2512 DA T ASHEET Figure 4.1 Block Write 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 4.3.2 Inval ...

  • SMSC USB2512 - page 27

    USB 2.0 High-S peed 2-Port Hub Contr oller Datasheet SMSC USB2512 27 Revision 1.92 (1 1-28-07) DA T ASHEET 4.3.5 Stretching the SCLK Signal The Hub supports stretching o f the SCLK by othe r device s on the SMBus. The Hub does not stretch the SCLK. 4.3.6 SMBus Timing The SMBus Slave Interface co mplie s with the SMBus AC T iming Specification. See ...

  • SMSC USB2512 - page 28

    USB 2.0 High-S peed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 28 SMSC USB2512 DA T ASHEET 4.6.2 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. While reset is asserted, the Hub (and its associated external circuitry) consum ...

  • SMSC USB2512 - page 29

    USB 2.0 High-S peed 2-Port Hub Contr oller Datasheet SMSC USB2512 29 Revision 1.92 (1 1-28-07) DA T ASHEET Notes:  When in Bus-Powered mode, the Hub and its associated circuitry must not consume more than 100mA from the upstream USB power source during t1+t5.  All Power Supplies mu st have reached the op erating levels manda ted in Chapter 5, ...

  • SMSC USB2512 - page 30

    USB 2.0 High-S peed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 30 SMSC USB2512 DA T ASHEET 4.6.2.3 RESET_N for SMBus Slave Configuration Figure 4.5 Reset_N Timing for SMBus Mode Notes:  For Bus-Powered configu rations, the 99.5ms (MAX) is requi red, and the Hub an d its associated circuitry must not consume more than 100mA fr om t ...

  • SMSC USB2512 - page 31

    USB 2.0 High-S peed 2-Port Hub Contr oller Datasheet SMSC USB2512 31 Revision 1.92 (1 1-28-07) DA T ASHEET 4. Clears all TT buffers. 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 behavior after completion of the reset sequence. The Host then configures the Hub and the Hu ...

  • SMSC USB2512 - page 32

    USB 2.0 High-S peed 2-Port Hub Contr oller Datasheet SMSC USB2512 32 Revision 1.92 (1 1-28-07) DA T ASHEET Chapter 5 DC Parameters 5.1 Maximum Guaranteed Ratings Note: S tresses above th e specified parameters coul d cause permanent damag e to the device. This is a stress rating only and functional operation of the device at any condition above tho ...

  • SMSC USB2512 - page 33

    USB 2.0 High-S peed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 33 SMSC USB2512 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 Characteristics PARAMETER SYMBOL MIN T YP MAX UNIT S COMMENT S I, IS T ype Input Buffe r Low Input Leve l High Input Level Input Leakage Hysteresis (? ...

  • SMSC USB2512 - page 34

    USB 2.0 High-S peed 2-Port Hub Contr oller Datasheet SMSC USB2512 34 Revision 1.92 (1 1-28-07) DA T ASHEET Notes: 1. Output leakage i s measured with the current pin s in high impedance. 2. See USB 2.0 S pecification for U SB DC electrical characteristics. Supply Current Unconfigured High-S peed Host Full-S peed Host I CCINTHS I CCINITFS 90 80 95 8 ...

  • SMSC USB2512 - page 35

    USB 2.0 High-S peed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 35 SMSC USB2512 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 pins under test tied to AC ...

  • SMSC USB2512 - page 36

    USB 2.0 High-S peed 2-Port Hub Contr oller Datasheet SMSC USB2512 36 Revision 1.92 (1 1-28-07) 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 ± 1 0 % , 2 4 M H z ± 350ppm, Jitte r < 100 ps rms. Figure 6.1 T ypical Crystal Circuit Note ...

  • SMSC USB2512 - page 37

    SMSC USB2512 37 Revision 1.92 (1 1-28-07) DA T ASHEET Chapter 7 Package Outline Figure 7.1 36-Pin QFN, 6x6mm Body , 0.5mm Pitch ...

Manufacturer SMSC Category Switch

Documents that we receive from a manufacturer of a SMSC USB2512 can be divided into several groups. They are, among others:
- SMSC technical drawings
- USB2512 manuals
- SMSC product data sheets
- information booklets
- or energy labels SMSC USB2512
All of them are important, but the most important information from the point of view of use of the device are in the user manual SMSC USB2512.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals SMSC USB2512, service manual, brief instructions and user manuals SMSC USB2512. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product SMSC USB2512.

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A complete manual for the device SMSC USB2512, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use SMSC USB2512 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of SMSC USB2512.

A complete SMSC manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual SMSC USB2512 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the SMSC USB2512, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the SMSC USB2512, that we can find in the current document
3. Tips how to use the basic functions of the device SMSC USB2512 - which should help us in our first steps of using SMSC USB2512
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with SMSC USB2512
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of SMSC USB2512 in a specific country, if it was not possible to solve the problem on our own.

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