Benutzeranleitung / Produktwartung USB2512i des Produzenten SMSC
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SMSC USB2512i DA T ASHEET Revision 1.92 (1 1-28-07) Datasheet PRODUCT FEA TURES USB2512i Industrial T emperature Rated 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): USB2512i-AEZG FOR 36 PIN, QFN LE AD-FREE ROHS COMPLIANT PACKAGE Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 2 SMSC USB2512i 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.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet SMSC USB2512i 3 Revision 1.92 (1 1-28-07) DA T ASHEET T able of Content s Chapter 1 Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 4 SMSC USB2512i DA T ASHEET List of Figures Figure 1.1 USB2512i 36-Pin QFN (Embedded Footprint) . . . . . . . . . . . . . . . . . . . . . . . . .
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet SMSC USB2512i 5 Revision 1.92 (1 1-28-07) DA T ASHEET List of T ables Table 3.1 USB2512i Pin Des criptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 6 SMSC USB2512i DA T ASHEET Chapter 1 Pin Configuration Figure 1.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet SMSC USB2512i 7 Revision 1.92 (1 1-28-07) DA T ASHEET Chapter 2 Block Diagram Figure 2.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 8 SMSC USB2512i 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.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet SMSC USB2512i 9 Revision 1.92 (1 1-28-07) 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.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 10 SMSC USB2512i 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.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet SMSC USB2512i 1 1 Revision 1.92 (1 1-28-07) DA T ASHEET 0 1 Configured as an SMBus slave for e xternal download of user-defined descriptors .
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 12 SMSC USB2512i DA T ASHEET 3.2 Buffer T ype Descriptions T able 3.4 USB2512i Buffer T ype Descriptions BUFFER DESCRIPTION I Input. IPD Input with internal weak pull -down resistor .
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet SMSC USB2512i 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.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 14 SMSC USB2512i DA T ASHEET 4.2.1.1 Register 00h: V e ndor ID (LSB) 03h R/W PID MSB PIDM 25h.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet SMSC USB2512i 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.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 16 SMSC USB2512i 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.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet SMSC USB2512i 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.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 18 SMSC USB2512i DA T ASHEET 4.2.1.9 Register 08h: Configurat ion Data Byte 3 4.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet SMSC USB2512i 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.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 20 SMSC USB2512i 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.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet SMSC USB2512i 21 Revision 1.92 (1 1-28-07) DA T ASHEET 4.2.1.17 Register 10h: Power-On T ime 4.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 22 SMSC USB2512i 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.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet SMSC USB2512i 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.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 24 SMSC USB2512i DA T ASHEET 4.2.1.22 Register FFh: S tatus /Command 4.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet SMSC USB2512i 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).
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 26 SMSC USB2512i 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.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet SMSC USB2512i 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.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 28 SMSC USB2512i 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.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet SMSC USB2512i 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.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 30 SMSC USB2512i 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.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet SMSC USB2512i 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.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 32 SMSC USB2512i 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.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet SMSC USB2512i 33 Revision 1.92 (1 1-28-07) DA T ASHEET V oltage on XT AL1 -0.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 34 SMSC USB2512i 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.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet SMSC USB2512i 35 Revision 1.92 (1 1-28-07) DA T ASHEET CAP ACIT ANCE T A = 25°C; fc = 1MHz; V DD18 , V DDPLL = 1.
Industrial T emperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Revision 1.92 (1 1-28-07) 36 SMSC USB2512i 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 USB2512i 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.
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