Benutzeranleitung / Produktwartung USB2512 des Produzenten SMSC
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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.
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.
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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.
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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.
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.
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.
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.
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.
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 .
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 .
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.
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.
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.
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.
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).
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.
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.
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.
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.
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.
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.
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 .
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).
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Ein wichtiger Punkt beim Kauf des Geräts SMSC USB2512 (oder sogar vor seinem Kauf) ist das durchlesen seiner Bedienungsanleitung. Dies sollten wir wegen ein paar einfacher Gründe machen:
Wenn Sie SMSC USB2512 noch nicht gekauft haben, ist jetzt ein guter Moment, um sich mit den grundliegenden Daten des Produkts bekannt zu machen. Schauen Sie zuerst die ersten Seiten der Anleitung durch, die Sie oben finden. Dort finden Sie die wichtigsten technischen Daten für SMSC USB2512 - auf diese Weise prüfen Sie, ob das Gerät Ihren Wünschen entspricht. Wenn Sie tiefer in die Benutzeranleitung von SMSC USB2512 reinschauen, lernen Sie alle zugänglichen Produktfunktionen kennen, sowie erhalten Informationen über die Nutzung. Die Informationen, die Sie über SMSC USB2512 erhalten, werden Ihnen bestimmt bei der Kaufentscheidung helfen.
Wenn Sie aber schon SMSC USB2512 besitzen, und noch keine Gelegenheit dazu hatten, die Bedienungsanleitung zu lesen, sollten Sie es aufgrund der oben beschriebenen Gründe machen. Sie erfahren dann, ob Sie die zugänglichen Funktionen richtig genutzt haben, aber auch, ob Sie keine Fehler begangen haben, die den Nutzungszeitraum von SMSC USB2512 verkürzen könnten.
Jedoch ist die eine der wichtigsten Rollen, die eine Bedienungsanleitung für den Nutzer spielt, die Hilfe bei der Lösung von Problemen mit SMSC USB2512. Sie finden dort fast immer Troubleshooting, also die am häufigsten auftauchenden Störungen und Mängel bei SMSC USB2512 gemeinsam mit Hinweisen bezüglich der Arten ihrer Lösung. Sogar wenn es Ihnen nicht gelingen sollte das Problem alleine zu bewältigen, die Anleitung zeigt Ihnen die weitere Vorgehensweise – den Kontakt zur Kundenberatung oder dem naheliegenden Service.
