USB2512I SMSC Corporation, USB2512I Datasheet
USB2512I
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USB2512I Summary of contents
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... SKUs. Hub will automatically reorder the remaining ports to match the Host controller's numbering scheme. Programmable USB differential-pair pin location. Ease PCB layout by aligning USB signal lines directly to connectors SMSC USB2512i USB2512i Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller Programmable USB signal drive strength. Recover ...
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... USB2512i-AEZG FOR 36 PIN, QFN LEAD-FREE ROHS COMPLIANT PACKAGE 80 ARKAY DRIVE, HAUPPAUGE, NY 11788 (631) 435-6000, FAX (631) 273-3123 Copyright © 2007 SMSC or its subsidiaries. All rights reserved. Circuit diagrams and other information relating to SMSC products are included as a means of illustrating typical applications. Consequently, complete information sufficient for construction purposes is not necessarily given ...
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... Default Configuration Option 4.5 Default Strapping Options 4.6 Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 4.6.1 Internal POR Hardware Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 4.6.2 External Hardware RESET_N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 4.6.3 USB Bus Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Chapter 5 DC Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 5.1 Maximum Guaranteed Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 5.2 Recommended Operating Conditions Chapter 6 AC Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 6.1 Oscillator/Clock 6.1.1 SMBus Interface 6.1.2 I2C EEPROM 6.1.3 USB 2 Chapter 7 Package Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 SMSC USB2512i 3 DATASHEET Revision 1.92 (11-28-07) ...
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... List of Figures Figure 1.1 USB2512i 36-Pin QFN (Embedded Footprint Figure 2.1 USB2512i Block Diagram Figure 4.1 Block Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Figure 4.2 Block Read Figure 4.3 Reset_N Timing for Default/Strap Option Mode Figure 4.4 Reset_N Timing for EEPROM Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Figure 4.5 Reset_N Timing for SMBus Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Figure 6.1 Typical Crystal Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Figure 6 ...
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... Datasheet List of Tables Table 3.1 USB2512i Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Table 3.2 SMBus or EEPROM Interface Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Table 3.3 USB2512i Power, Ground, and No Connect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Table 3.4 USB2512i Buffer Type Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Table 4.1 Internal Default, EEPROM and SMBus Register Memory Map Table 4.2 Port Remap Register for Ports 1 & Table 4.3 Reset_N Timing for Default/Strap Option Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Table 4 ...
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... Chapter 1 Pin Configuration SUSP_IND/LOCAL_PWR/NON_REM0 VDDA33 USBUP_DM USBUP_DP XTAL2 XTAL1/CLKIN VDD18PLL RBIAS VDD33PLL Figure 1.1 USB2512i 36-Pin QFN (Embedded Footprint) Revision 1.92 (11-28-07) Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller SMSC 31 USB2512i 32 Embedded Footprint 33 (Top View QFN-36) 34 Thermal Slug 35 (must be connected to VSS) 36 Indicates pins on the bottom of the device. ...
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... S w itch D riv rive nse S w itch / strea m D rive rs Figure 2.1 USB2512i Block Diagram 7 DATASHEET ste ria rfa c e ...
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... OCS[2:1] RBIAS 35 Revision 1.92 (11-28-07) Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller Table 3.1 USB2512i Pin Descriptions BUFFER TYPE UPSTREAM USB INTERFACES IO-U USB Bus Data These pins connect to the upstream USB bus data signals (Host port, or upstream hub). I/O12 Detect Upstream VBUS Power Detects state of Upstream VBUS power ...
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... Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Table 3.1 USB2512i Pin Descriptions (continued) QFN-36 SYMBOL EMB SDA/ 22 SMBDATA/ NON_REM1 SCL/ 24 SMBCLK/ CFG_SEL0 HS_IND/ 25 CFG_SEL1 XTAL1/ 33 CLKIN SMSC USB2512i BUFFER TYPE SERIAL PORT INTERFACE I/OSD12 Serial Data / SMB Data & Port Non Removable Strap Option NON_REM1: Non removable port strap option ...
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... Table 3.1 USB2512i Pin Descriptions (continued) QFN-36 SYMBOL EMB XTAL2 32 RESET_N 26 SUSP_IND/ 28 LOCAL_PWR/ NON_REM0 TEST 11 Table 3.2 SMBus or EEPROM Interface Behavior CFG_SEL1 CFG_SEL0 0 0 Revision 1.92 (11-28-07) Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller BUFFER TYPE OCLKx Crystal Output 24MHz Crystal This is the other terminal of the crystal NO-CONNECT when an external clock source is used to drive XTAL1/CLKIN ...
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... Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet Table 3.2 SMBus or EEPROM Interface Behavior (continued) CFG_SEL1 CFG_SEL0 Table 3.3 USB2512i Power, Ground, and No Connect PACKAGE SYMBOL 36-QFN EMB VDD18 14 VDD33PLL 36 VDDPLL18 34 VDDA33 VDD33/VDD33CR ...
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... Buffer Type Descriptions Table 3.4 USB2512i Buffer Type Descriptions BUFFER I Input. IPD Input with internal weak pull-down resistor. IPU Input with internal weak pull-up resistor. IS Input with Schmitt trigger. O12 Output 12mA. OD12 Open drain... 12mA sink. I/O12 Input/Output buffer with 12mA sink and 12mA source. ...
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... Internal Register Set (Common to EEPROM and SMBus) Table 4.1 Internal Default, EEPROM and SMBus Register Memory Map REG ADDR R/W REGISTER NAME 00h R/W 01h R/W VID MSB 02h R/W SMSC USB2512i ABBR VID LSB VIDL VIDM PID LSB PIDL 13 DATASHEET Table 3.1 for SMBUS AND INTERNAL ...
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... SMSC USB2512i ...
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... Register 05h: Device ID (MSB) BIT NUMBER BIT NAME 7:0 DID_MSB SMSC USB2512i DESCRIPTION Most Significant Byte of the Vendor ID. This is a 16-bit value that uniquely identifies the Vendor of the user device (assigned by USB-Interface Forum). This field is set by the OEM using either the SMBus or EEPROM interface options. ...
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... The ability to support current sensing on a port or ganged basis is hardware implementation dependent Ganged sensing (all ports together Individual port-by-port 1x = Over current sensing not supported (must only be used with Bus- Powered configurations!) 16 DATASHEET Datasheet SMSC USB2512i ...
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... OC_TIMER 3 COMPOUND 2:0 Reserved SMSC USB2512i DESCRIPTION Port Power Switching: 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 ability to support power enabling on a port or ganged basis is hardware implementation dependent Ganged switching (all ports together) ...
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... Bit 7= Reserved, always = ‘0’ Bit 6= Reserved, always = ‘0’ Bit 5= Reserved, always = ‘0’ Bit 4= Reserved, always = ‘0’ Bit 3= Reserved, always = ‘1’ Bit 2= 1; Port 2 non-removable Bit 1= 1; Port 1 non removable Bit 0= Reserved, always = ‘0’ 18 DATASHEET Datasheet SMSC USB2512i ...
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... PORT_DIS_BP 4.2.1.13 Register 0Ch: Max Power For Self Powered Operation BIT NUMBER BIT NAME SMSC USB2512i DESCRIPTION Port Disable Self-Powered: Disables 1 or more contiguous ports. ‘0’ = port is available, ‘1’ = port is disabled. when remapping mode is disabled During Self-Powered operation (PRTMAP_EN='0'), ...
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... VBUS) of all associated circuitry on the board. This value will NOT include the power consumption of a permanently attached peripheral if the hub is configured as a compound device. A value of 50 (decimal) would indicate 100mA, which is the default value. 20 DATASHEET Datasheet SMSC USB2512i ...
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... BIT NAME 7:4 Reserved 3:2 BOOST_IOUT_2 1:0 BOOST_IOUT_1 SMSC USB2512i DESCRIPTION Power On Time: The length of time that it takes ( intervals) from the time the host initiated power-on sequence begins on a port until power is good on that port. DESCRIPTION Reserved USB electrical signaling drive strength Boost Bit for the Upstream Port. ...
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... USB D+ functionality is associated with the DM pin and D- functionality is associated with the DP pin. Bit 7= Reserved Bit 6= Reserved Bit 5= Reserved Bit 4= Reserved Bit 3= Reserved Bit 2= ‘1’; Port 2 DP/DM is Swapped. Bit 1= ‘1’: Port 1 DP/DM is Swapped. Bit 0= ‘1’:Upstream Port DP/DM is Swapped 22 DATASHEET Datasheet SMSC USB2512i ...
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... BIT NUMBER BIT NAME 7:0 PRTR12 SMSC USB2512i DESCRIPTION Port remap register for ports 1 & 2. When a hub is enumerated by a USB Host Controller, the hub is only permitted to report how many ports it has; the hub is not permitted to select a numerical range or assignment. The Host Controller will number the downstream ports of the hub starting with the number '1 the number of ports that the hub reported having ...
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... Force a reset of registers to their default state USB Attach (and write protect) ‘0’ = SMBus slave interface is active ‘1’ = Hub will signal a USB attach event to an upstream device, and the internal memory (address range 00h-FEh) is “write-protected” to prevent unintentional data corruption. 24 DATASHEET Datasheet SMSC USB2512i ...
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... A Block Read or Write is allowed to transfer a maximum of 32 data bytes. Note: For the following SMBus tables r- SMSC USB2512i Section 4.3.2, "Invalid Protocol Response Behavior," - ...
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... Data byte 2 Block Read Figure 4.2 Block Read Section 4.3.3 for the response to undefined registers. ). TIMEOUT, MAX 26 DATASHEET Datasheet 1 A ... 8 1 Data byte Slave Address Data byte Devices that TIMEOUT, MIN SMSC USB2512i 1 P ... 1 P ...
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... Please refer to Table 4.1 4.5 Default Strapping Options: The USB2512i can be configured via a combination of internal default values and pin strap options. Please see Table 3.1 configuration option. The strapping option pins only cover a limited sub-set of the configuration options. The internal default values will be used for the bits & registers that are not controlled by a strapping option pin. Please refer to Table 4 ...
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... Attach Outputs to USB Reset USB inactive recovery Upstream levels Driven by Hub if strap is an output. Don’t Care MIN 1 16.7 16.7 100 28 DATASHEET Datasheet Start completion Idle request response t7 t8 TYP MAX UNITS μsec nsec 1400 nsec μsec 1.5 2 100 msec msec SMSC USB2512i ...
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... When in Bus-Powered mode, the Hub and its associated circuitry must not consume more than 100mA from the upstream USB power source during t4+t5+t6+t7. All Power Supplies must have reached the operating levels mandated in Parameters, prior to (or coincident with) the assertion of RESET_N. SMSC USB2512i MIN Read EEPROM Attach ...
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... SMBus Code Hub PHY USB Reset USB Load Stabilization Upstream MIN 1 100 30 DATASHEET Datasheet Start completion Idle recovery request response TYP MAX UNITS μsec μsec 500 250 300 msec 100 msec msec Undefined msec 5 msec Chapter 5, DC SMSC USB2512i ...
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... Moves device from suspended to active (if suspended). 6. Complies with Section 11.10 of the USB 2.0 Specification for behavior after completion of the reset sequence. The Host then configures the Hub and the Hub’s downstream port devices in accordance with the USB Specification. SMSC USB2512i 31 DATASHEET Revision 1.92 (11-28-07) ...
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... Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller MAX UNITS 150 °C 325 °C 2.5 4.6 5.5 4.0 3.6 MIN MAX UNITS -40 85 °C 1.62 1.98 V 3.0 3.6 V -0.3 5 DATASHEET Datasheet COMMENTS Soldering < 10 seconds COMMENTS If any 3.3V supply voltage drops becomes: (3.3V supply voltage) + 0.5 SMSC USB2512i ...
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... V High Input Level V Input Leakage O12, I/O12 &I/OSD12 Type Buffer Low Output Level V High Output Level V Output Leakage I Hysteresis (‘SD’ pad only) V HYSC IO-U (Note 2) SMSC USB2512i MIN MAX UNITS -0.3 V DDA33 -0.3 V DD18 Table 5.1 DC Electrical Characteristics MIN TYP MAX 0.8 ILI 2.0 IHI ...
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... Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller MIN TYP MAX UNITS All supplies combined 130 145 mA 120 140 mA 135 210 mA All supplies combined 105 135 mA 105 135 mA μA 310 540 All supplies combined μA 105 340 All supplies combined 34 DATASHEET Datasheet COMMENTS SMSC USB2512i ...
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... Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller Datasheet CAPACITANCE T A PARAMETER SYMBOL Clock Input C XTAL Capacitance Input Capacitance C IN Output Capacitance C OUT SMSC USB2512i = 25° 1MHz DD18 DDPLL Table 5.2 Pin Capacitance LIMITS MIN TYP MAX UNIT ...
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... USB 2.0 Specification. Please refer to the USB 2.0 Specification for more information. Revision 1.92 (11-28-07) Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller Crystal C L Figure 6.1 Typical Crystal Circuit + DATASHEET Datasheet XTAL1 ( XTAL 1Meg XTAL2 ( XTAL C L and C 2 Section 4.3). SMSC USB2512i ...
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Chapter 7 Package Outline Figure 7.1 36-Pin QFN, 6x6mm Body, 0.5mm Pitch ...