TUSB8040A1 Four-Port USB 3.0 Hub Data Manual PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Literature Number: SLLSEE5A February 2013 – Revised May 2013 TUSB8040A1 www.ti.com SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 Contents 1 PRODUCT OVERVIEW 1.1 1.2 1.3 1.4 2 PIN DESCRIPTIONS 2.1 2.2 2.3 2.4 2.5 2.6 2.7 3 5 6 19 19 20 20 20 20 21 21 21 22 23 23 24 24 25 25 25 26 26 26 27 27 27 28 28 28 29 29 ........................................................................................................ 30 Crystal Requirements ..................................................................................................... 30 Input Clock Requirements ................................................................................................ 30 POWER UP AND RESET ..................................................................................................... 31 ELECTRICAL SPECIFICATIONS .......................................................................................... 32 6.1 6.2 6.3 6.4 2 11 11 11 12 15 16 18 ............................................................................................... 19 TUSB8040A1 Register Map ............................................................................................. I2C EEPROM Operation .................................................................................................. SMBus Slave Operation .................................................................................................. Configuration Registers ................................................................................................... 3.4.1 ROM Signature Register ....................................................................................... 3.4.2 Vendor ID LSB Register ....................................................................................... 3.4.3 Vendor ID MSB Register ...................................................................................... 3.4.4 Product ID LSB Register ....................................................................................... 3.4.5 Product ID MSB Register ...................................................................................... 3.4.6 Device Configuration Register ................................................................................ 3.4.7 Battery Charging Support Register ........................................................................... 3.4.8 Device Removable Configuration Register .................................................................. 3.4.9 Port Used Configuration Register ............................................................................ 3.4.10 Reserved Register .............................................................................................. 3.4.11 Reserved Register .............................................................................................. 3.4.12 Language ID LSB Register .................................................................................... 3.4.13 Language ID MSB Register ................................................................................... 3.4.14 Serial Number String Length Register ....................................................................... 3.4.15 Manufacturer String Length Register ........................................................................ 3.4.16 Product String Length Register ............................................................................... 3.4.17 Reserved Register .............................................................................................. 3.4.18 Serial Number Registers ....................................................................................... 3.4.19 Manufacturer String Registers ................................................................................ 3.4.20 Product String Registers ....................................................................................... 3.4.21 Additional Feature Configuration Register .................................................................. 3.4.22 Reserved Register .............................................................................................. 3.4.23 Reserved Register .............................................................................................. 3.4.24 Device Status and Command Register ...................................................................... CLOCK GENERATION 4.1 4.2 7 7 8 9 ........................................................................................................... 10 Signal Descriptions ........................................................................................................ Clock and Reset Signals ................................................................................................. USB Upstream Signals ................................................................................................... USB Downstream Signals ................................................................................................ I2C/SMBUS Signals ....................................................................................................... Test and Miscellaneous Signals ......................................................................................... Power Signals .............................................................................................................. FUNCTIONAL DESCRIPTION 3.1 3.2 3.3 3.4 4 ......................................................................................................... 7 Features ...................................................................................................................... Applications .................................................................................................................. Introduction .................................................................................................................. Functional Description ...................................................................................................... Absolute Maximum Ratings .............................................................................................. Recommended Operating Conditions .................................................................................. THERMAL INFORMATION .............................................................................................. 3.3-V I/O Electrical Characteristics ...................................................................................... Contents 32 32 32 33 Copyright © 2013, Texas Instruments Incorporated TUSB8040A1 www.ti.com 6.5 SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 Hub Input Supply Current Copyright © 2013, Texas Instruments Incorporated ................................................................................................ Contents 33 3 TUSB8040A1 SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 www.ti.com List of Figures 1-1 Typical Application ................................................................................................................. 8 1-2 TUSB8040A1 Functional Block Diagram ....................................................................................... 9 4-1 TUSB8040A1 Clock .............................................................................................................. 30 4 List of Figures Copyright © 2013, Texas Instruments Incorporated TUSB8040A1 www.ti.com SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 List of Tables 2-1 Signal Descriptions ............................................................................................................... 11 2-2 Clock and Reset Signals ........................................................................................................ 11 2-3 USB Upstream Signals .......................................................................................................... 11 2-4 USB Downstream Signals ....................................................................................................... 12 2-5 I2C/SMBUS Signals .............................................................................................................. 15 2-6 Test and Miscellaneous Signals ................................................................................................ 16 2-7 Power Signals 3-1 3-2 3-3 3-4 3-5 3-6 3-7 3-8 3-9 3-10 3-11 3-12 3-13 3-14 3-15 3-16 3-17 3-18 3-19 3-20 3-21 3-22 3-23 3-24 3-25 3-26 3-27 3-28 3-29 3-30 3-31 3-32 3-33 3-34 3-35 3-36 3-37 3-38 3-39 3-40 .................................................................................................................... TUSB8040A1 Register Map .................................................................................................... Register Offset 0h ................................................................................................................ Bit Descriptions – ROM Signature Register .................................................................................. Register Offset 1h ................................................................................................................ Bit Descriptions – Vendor ID LSB Register ................................................................................... Register Offset 2h ................................................................................................................ Bit Descriptions – Vendor ID MSB Register .................................................................................. Register Offset 3h ................................................................................................................ Bit Descriptions – Vendor ID LSB Register ................................................................................... Register Offset 4h ................................................................................................................ Bit Descriptions – Vendor ID MSB Register .................................................................................. Register Offset 5h ................................................................................................................ Bit Descriptions – Device Configuration Register ............................................................................ Register Offset 6h ................................................................................................................ Bit Descriptions – Battery Charging Support Register ...................................................................... Register Offset 7h ................................................................................................................ Bit Descriptions – Device Removable Configuration Register ............................................................. Register Offset 8h ................................................................................................................ Bit Descriptions – Port Used Configuration Register ........................................................................ Register Offset 9h ................................................................................................................ Bit Descriptions – Reserved Register ......................................................................................... Register Offset Ah ................................................................................................................ Bit Descriptions – Reserved Register ......................................................................................... Register Offset 20h .............................................................................................................. Bit Descriptions – Language ID LSB Register ................................................................................ Register Offset 21h .............................................................................................................. Bit Descriptions – Language ID MSB Register ............................................................................... Register Offset 22h .............................................................................................................. Bit Descriptions – Serial Number String Length Register ................................................................... Register Offset 23h .............................................................................................................. Bit Descriptions – Manufacturer String Length Register .................................................................... Register Offset 24h .............................................................................................................. Bit Descriptions – Product String Length Register ........................................................................... Register Offset 2Fh .............................................................................................................. Bit Descriptions – Reserved Register ......................................................................................... Register Offset 30h-4Fh ......................................................................................................... Bit Descriptions – Serial Number Registers .................................................................................. Register Offset 50h-8Fh ......................................................................................................... Bit Descriptions – Manufacturer String Registers ............................................................................ Register Offset 90h-CFh ........................................................................................................ Copyright © 2013, Texas Instruments Incorporated List of Tables 18 19 20 20 20 20 21 21 21 21 21 21 22 22 23 23 23 23 24 24 24 24 25 25 25 25 25 25 26 26 26 26 26 26 27 27 27 27 27 27 28 5 TUSB8040A1 SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 www.ti.com 3-41 Bit Descriptions – Product String Registers................................................................................... 28 3-42 Register Offset F0h .............................................................................................................. 28 3-43 Bit Descriptions –Additional Feature Configuration Register ............................................................... 28 3-44 Register Offset F1h .............................................................................................................. 28 3-45 Bit Descriptions – Reserved Register 3-46 Register Offset F2h .............................................................................................................. 29 3-47 Bit Descriptions – Reserved Register 3-48 3-49 6 ......................................................................................... ......................................................................................... Register Offset F8h .............................................................................................................. Bit Descriptions – Device Status and Command Register .................................................................. List of Tables 28 29 29 29 Copyright © 2013, Texas Instruments Incorporated TUSB8040A1 www.ti.com SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 Four-Port USB 3.0 Hub Check for Samples: TUSB8040A1 1 PRODUCT OVERVIEW 1.1 Features • USB 3.0 Compliant Hub, TID# 330000037 – Upstream Port Supports SuperSpeed USB, High-Speed and Full-Speed Connections – Supports Four Downstream Ports – Each of the Four Downstream Ports Support SuperSpeed USB, High-Speed, Full-Speed or Low-Speed Connections • USB 2.0 Hub Features – Multi Transaction Translator (MTT) Hub: Four Transaction Translators, One Per Port – Four Asynchronous Endpoint Buffers Per Transaction Translator (TT) for Better Throughput Than the USB Required Minimum of Two Buffers Per TT • Supports Battery Charging Applications – Battery Charging 1.2 Compliant Charging Downstream Port (CDP) when Upstream Port is Connected – Battery Charging 1.2 and Chinese Telecommunications Industry Standard YD/T 1591-2009 Compliant Dedicated Charging Port (DCP) when Upstream Port is Disconnected • Supports Operation as a USB 3.0 or USB 2.0 Compound Device • Supports Per Port or Ganged Power Switching and Over-Current Notification Inputs • Provides the following status outputs: – High-Speed Upstream Connection – High-Speed Upstream Port Suspended – SuperSpeed USB Upstream Connection – SuperSpeed USB Upstream Port Suspended • Optional Serial EEPROM or SMBus Slave Interface for Custom Configurations: – VID or PID – Manufacturer and Product Strings – Serial Number • Using Pin Selection or EEPROM and SMBus Slave Interface, Each Downstream Port Can Be Independently: – Enabled or Disabled – Marked as Removable or Permanently Attached (for Compound Applications) – Have Battery Charging Enabled or Disabled • Provides 128-Bit Universally Unique Identifier (UUID) • Optionally Supports USB 2.0 Compliant Port Indicator LEDs • Configurable SMBus Address to Support Multiple Devices on the Same SMBus Segment • Supports On-Board and In-System EEPROM Programming Via the USB 2.0 Upstream Port • Single Clock Input, 24-MHz Crystal or Oscillator 1 1.2 • • • • Applications Computer Systems Docking Stations Monitors Set-top Boxes 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright © 2013, Texas Instruments Incorporated TUSB8040A1 SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 1.3 www.ti.com Introduction The TUSB8040A1 is a four-port USB 3.0 compliant hub and is available in a 100-pin QFN package. The device is designed for operation over the commercial temperature range of 0°C to 70°C. The TUSB8040A1 provides simultaneous SuperSpeed USB and high-speed or full-speed connections on the upstream port and provides SuperSpeed USB, high-speed, full-speed, or low-speed connections on the downstream ports. When the upstream port is connected to an electrical environment that only supports high-speed, full-speed or low-speed connections, SuperSpeed USB connectivity is disabled on the downstream ports. When the upstream port is connected to an electrical environment that only supports full-speed or low-speed connections, SuperSpeed USB and high-speed connectivity are disabled on the downstream ports. The TUSB8040A1 supports up to four downstream ports. It may be configured to report one to four downstream ports by pin selection or by an attached EEPROM or SMBus controller. The configuration options provide the ability to scale the device by application. A typical system view of the TUSB8040A1 is shown in Figure 1-1. USB 3.0 System Implementation USB 3.0 Host Controller USB 3.0 Device TUSB8040A1 USB 2.0 Device USB 3.0 Hub USB 1.1 Device USB 2.0 Device USB 2.0 Hub USB 3.0 Device USB 2.0 Device USB 3.0 Device USB 1.1 Device USB 1.x Connection USB 2.0 Connection USB 2.0/3.0 Device USB 2.0 Device USB 3.0 Connection USB 3.0 Device USB 1.x Device Figure 1-1. Typical Application 8 PRODUCT OVERVIEW Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TUSB8040A1 TUSB8040A1 www.ti.com 1.4 SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 Functional Description The TUSB8040A1 supports per port or ganged power switching and over-current protection. An individually port power controlled hub switches power on or off to each downstream port as requested by the USB host. Also when an individually port power controlled hub senses an over-current event, only power to the affected downstream port will be switched off. A ganged hub switches on power to all its downstream ports when power is required to be on for any port. The power to the downstream ports is not switched off unless all ports are in a state that allows power to be removed. Also when a ganged hub senses an over-current event, power to all downstream ports will be switched off. The TUSB8040A1 also provides customization using an I2C EEPROM or configuration via an SMBus host for vendor specific PID, VID, and strings. For the TUSB8040A1 ports can also be marked as disabled or permanently attached using pin selection, I2C EEPROM or an SMBus host. The Device Status and Command Register at F8h cannot be modified by the contents of the I2C EEPROM. Power Distribution VSSA VBUS Detect USB 2.0 Hub XI VSSOSC XO SuperSpeed Hub Oscilator USB_SSTXM_DN3 USB_SSTXP_DN3 USB_SSRXM_DN3 USB_SSRXP_DN3 USB_SSTXM_DN2 USB_SSTXP_DN2 USB_SSRXM_DN2 USB_SSRXP_DN2 USB_SSTXM_DN1 USB_SSTXP_DN1 USB_SSRXM_DN1 USB_SSRXP_DN1 USB_SSTXM_DN0 USB_SSTXP_DN0 USB_SSRXM_DN0 USB_SSRXP_DN0 USB_DM_DN3 USB_DP_DN3 USB_DM_DN2 USB_DP_DN2 USB_DM_DN1 USB_DP_DN1 Clock and Reset Distribution USB_DM_DN0 USB_DP_DN0 GRSTn USB_SSTXM_UP USB_SSTXP_UP USB_SSRXM_UP USB_SSRXP_UP USB_VBUS VSS USB_DM_UP USB_DP_UP USB_R1 VDD USB_R1RTN VDD33 SS SS_SUSPEND HS HS_SUSPEND PORTINDz_SMBA3 GANGEDz_SMBA2 FULLPWRMGMTz_SMBA1 LEDG3z_USED LEDA3z_RMBL OVERCUR3z PWRON3z_BATEN3 LEDG2z_USED LEDA2z_RMBL OVERCUR2z PWRON2z_BATEN2 Control Registers GPIO Block LEDG1z_USED LEDA1z_RMBL OVERCUR1z PWRON1z_BATEN1 I2C/ SMBUS SMBUSz Boundary Scan LEDG0z_USED LEDA0z_RMBL OVERCUR0z PWRON0z_BATEN0 SCL/SMBCLK SDA/SMDAT JTAG_TRSTn JTAG_TDI JTAG_TDO JTAG_TMS JTAG_TCK Figure 1-2. TUSB8040A1 Functional Block Diagram PRODUCT OVERVIEW Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TUSB8040A1 9 TUSB8040A1 SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 2 www.ti.com PIN DESCRIPTIONS A39 A40 LEDA1z_RMBL1 LEDA LEDG2z_USED2 VDD LEDA2z_RMBL2 LEDG3z_USED3 LEDA3z_RMBL3 USB_DM_DN3 VDD33 VDD USB_DP_DN3 USB_SSRXM_DN3 USB_SSRXP_DN3 USB_SSTXM_DN3 USB_SSTXP_DN3 VDD NC USB_SSRXM_DN1 USB_SSRXP_DN1 USB_SSTXM_DN1 USB_SSTXP_DN1 VDD LEDG1z_USED1 LEDG1z_U A26 A B38 B23 B39 B22 B40 B21 B41 B20 B B42 B19 B45 B16 B46 B15 B47 B14 B48 B13 PIN DESCRIPTIONS SS A12 A14 VDD33 A13 VDD HS B12 JTAG_TDO JTAG_TCK SS_SUSPEND B11 A11 VDD A10 USB_DM_DN2 USB_DP_DN2 VDD A9 B10 HS_SUSPEND B9 VDD33 B8 A8 USB_SSTXP_DN2 USB_SSRXM_DN2 A7 USB_SSRXP_DN2 VDD B7 USB_SSTXM_DN2 B6 A6 NC VDD A5 USB_SSTXP_DN0 USB_SSTXM_DN0 A4 A USB_SSRXP_DN0 A3 USB_SSRXM_DN0 USB_DP_DN0 USB_DM_DN0 A2 B5 JTAG_RSTz JTAG_TMS A15 B4 FULLPWRMGMTz_SMBA1 JTAG_TDI A16 B3 GRSTN VDD A17 B2 SDA_SMBDAT SCL_SMBCLK A18 B1 VDD SMBUSz A19 A52 PWRON1z_BATEN1 PWRON0z_BATEN0 A20 B17 PWRON3z_BATEN3 PWRON2z_BATEN2 A21 B44 OVERCUR1z OVERCUR0z A22 B18 OVERCUR3z OVERCUR2z A23 VSS LEDG0z_USED0 LEDA0z_RMBL0 A24 B43 VDD VDD33 A25 A1 1 10 B25 A51 VDD33 VDD B26 6 A27 A50 USB_R1RTN NC B27 A28 A49 VDD33_OSC USB_R1 B28 A29 A48 VSS_OSC XI B29 A30 A47 USB_VBUS XO B30 A31 B24 A46 VDD VDD33 B31 A32 A45 USB_DM_UP USB_DP_UP B32 A33 A44 VDD VDD33 B33 A34 A43 USB_SSRXM_UP USB_SSRXP_UP B34 A35 A42 USB_SSTXP_UP VSS B35 A36 A41 VDD USB_SSTXM_UP B36 A37 B37 VDD GANGED_SMBA2 A38 VDD33 NC PORTINDz_SMBA3 VDD33 USB_DM_DN1 USB_DP_DN1 TUSB8040A1RKM (Top View) Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TUSB8040A1 TUSB8040A1 www.ti.com 2.1 SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 Signal Descriptions Table 2-1. Signal Descriptions 2.2 TYPE DESCRIPTION I Input O Output I/O Input/output PD, PU Internal pull-down/pull-up PT Passive pass through P Power Supply G Ground Clock and Reset Signals Table 2-2. Clock and Reset Signals TYPE PIN NO. I, PU A18 Global power reset. This reset brings all of the TUSB8040A1 internal registers to their default states. When GRSTz is asserted, the device is completely nonfunctional. GRSTz should be asserted a minimum of 3 ms after all power rails are valid at the device. XI I A49 Crystal input. This terminal is the crystal input for the internal oscillator. The input may alternately be driven by the output of an external oscillator. When using a crystal a 1-MΩ feedback resistor is required between XI and XO. XO O A48 Crystal output. This terminal is crystal output for the internal oscillator. If XI is driven by an external oscillator this pin may be left unconnected. When using a crystal a 1-MΩ feedback resistor is required between XI and XO. VSSOSC I B45 Oscillator return. If using a crystal, the load capacitors should use this signal as the return path and it should not be connected to the PCB ground. If using an oscillator, this terminal should be connected to PCB Ground. SIGNAL NAME GRSTz 2.3 DESCRIPTION USB Upstream Signals Table 2-3. USB Upstream Signals SIGNAL NAME TYPE PIN NO. USB_SSTXP_UP O B39 USB SuperSpeed transmitter differential pair (positive) USB_SSTXM_UP O A42 USB SuperSpeed transmitter differential pair (negative) USB_SSRXP_UP I A44 USB SuperSpeed receiver differential pair (positive) USB_SSRXM_UP DESCRIPTION I B40 USB SuperSpeed receiver differential pair (negative) USB_DP_UP I/O A46 USB high-speed differential transceiver (positive) USB_DM_UP I/O B42 USB high-speed differential transceiver (negative) USB_R1 PT A50 Precision resistor reference. A 9.09-kΩ ±1% resistor should be connected between USB_R1 and USB_R1RTN. USB_R1RTN PT B47 Precision resistor reference return I B44 USB upstream port power monitor. The VBUS detection requires a voltage divider. The signal USB_VBUS must be connected to VBUS through a 90.9-kΩ ±1% resistor, and to ground through a 10-kΩ ±1% resistor from the signal to ground. USB_VBUS PIN DESCRIPTIONS Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TUSB8040A1 11 TUSB8040A1 SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 2.4 www.ti.com USB Downstream Signals Table 2-4. USB Downstream Signals TYPE PIN NO. USB_SSTXP_DN0 O B4 USB SuperSpeed transmitter differential pair (positive) USB_SSTXM_DN0 O A4 USB SuperSpeed transmitter differential pair (negative) USB_SSRXP_DN0 I B3 USB SuperSpeed receiver differential pair (positive) USB_SSRXM_DN0 I A3 USB SuperSpeed receiver differential pair (negative) USB_DP_DN0 I/O B1 USB high-speed differential transceiver (positive) USB_DM_DN0 I/O A1 USB high-speed differential transceiver (negative) SIGNAL NAME DESCRIPTION USB Port 0 Power On Control for Downstream Power/Battery Charging Enable. The terminal is used for control of the downstream power switch; in addition, the value of the terminal is sampled at the de-assertion of reset to determine the value of the battery charger support for the port as indicated in the Battery Charger Support register: PWRON0z_BATEN0 I/O, PD B19 0 = Battery charging not supported 1 = Battery charging supported This terminal provides the port power control for all downstream ports if GANGED_SMBA2 = 1. This terminal also determines the battery charging support of all downstream ports if GANGED_SMBA2 = 1. USB Port 0 over-current detection. 0 = An overcurrent event has occurred OVERCUR0z I, PU B21 1 = An overcurrent event has not occurred This terminal should be pulled high using a 10-kΩ resistor if power management is not implemented. If power management is enabled, the external circuitry needed should be determined by the power switch. USB_SSTXP_DN1 O B34 USB SuperSpeed transmitter differential pair (positive) USB_SSTXM_DN1 O A37 USB SuperSpeed transmitter differential pair (negative) USB_SSRXP_DN1 I B33 USB SuperSpeed receiver differential pair (positive) USB_SSRXM_DN1 I A36 USB SuperSpeed receiver differential pair (negative) USB_DP_DN1 I/O B36 USB High-speed differential transceiver (positive) USB_DM_DN1 I/O A39 USB High-speed differential transceiver (negative) A21 USB Port 1 Power On Control for Downstream Power/Battery Charging Enable. The terminal is used for control of the downstream power switch for Port 1. In addition, the value of the terminal is sampled at the de-assertion of reset to determine the value of the battery charger support for Port 1 as indicated in the Battery Charger Support register: PWRON1z_BATEN1 I/O, PD 0 = Battery Charging Not Supported 1 = Battery Charging Supported USB Downstream Port 1 Over-Current Detection. 0 = An overcurrent event has occurred OVERCUR1z I, PU A23 1 = An overcurrent event has not occurred This terminal should be pulled high using a 10-kΩ resistor if power management is not implemented. If power management is enabled, the external circuitry needed should be determined by the power management device. USB_SSTXP_DN2 O B7 USB SuperSpeed transmitter differential pair (positive) USB_SSTXM_DN2 O A8 USB SuperSpeed transmitter differential pair (negative) USB_SSRXP_DN2 I B6 USB SuperSpeed receiver differential pair (positive) USB_SSRXM_DN2 I A7 USB SuperSpeed receiver differential pair (negative) USB_DP_DN2 I/O A9 USB High-speed differential transceiver (positive) USB_DM_DN2 I/O B9 USB High-speed differential transceiver (negative) 12 PIN DESCRIPTIONS Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TUSB8040A1 TUSB8040A1 www.ti.com SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 Table 2-4. USB Downstream Signals (continued) SIGNAL NAME PWRON2z_BATEN2 TYPE I/O, PD PIN NO. B20 DESCRIPTION USB Port 2 Power On Control for Downstream Power/Battery Charging Enable. The terminal is used for control of the downstream power switch for Port 2. In addition, the value of the terminal is sampled at the de-assertion of reset to determine the value of the battery charger support for Port 2 as indicated in the Battery Charger Support register: 0 = Battery Charging Not Supported 1 = Battery Charging Supported USB Downstream Port 2 Over-Current Detection. 0 = An overcurrent event has occurred OVERCUR2z I, PU B22 1 = An overcurrent event has not occurred This terminal should be pulled high using a 10-kΩ resistor if power management is not implemented. If power management is enabled, the external circuitry needed should be determined by the power management device. USB_SSTXP_DN3 O B31 USB SuperSpeed transmitter differential pair (positive) USB_SSTXM_DN3 O A34 USB SuperSpeed transmitter differential pair (negative) USB_SSRXP_DN3 I B30 USB SuperSpeed receiver differential pair (positive) USB_SSRXM_DN3 I A33 USB SuperSpeed receiver differential pair (negative) USB_DP_DN3 I/O B29 USB High-speed differential transceiver (positive) USB_DM_DN3 I/O A31 USB High-speed differential transceiver (negative) A22 USB Port 3 Power On Control for Downstream Power/Battery Charging Enable. The terminal is used for control of the downstream power switch for Port 3. In addition, the value of the terminal is sampled at the de-assertion of reset to determine the value of the battery charger support for Port 3 as indicated in the Battery Charger Support register: PWRON3z_BATEN3 I/O, PD 0 = Battery Charging Not Supported 1 = Battery Charging Supported USB Downstream Port 3 Over-Current Detection. 0 = An overcurrent event has occurred OVERCUR3z I, PU A24 1 = An overcurrent event has not occurred This terminal should be pulled high using a 10K resistor if power management is not implemented. If power management is enabled, the external circuitry needed should be determined by the power management device. USB Port 0 Amber LED Indicator & Device Removable Configuration Bit LEDA0z_RMBL0 I, PU B23 1 = Device is Removable 0 = Device is NOT Removable USB Port 1 Amber LED Indicator & Device Removable Configuration Bit LEDA1z_RMBL1 I/O, PU B25 1 = Device is Removable 0 = Device is NOT Removable USB Port 2 Amber LED Indicator & Device Removable Configuration Bit LEDA2z_RMBL2 I/O, PU B26 1 = Device is Removable 0 = Device is NOT Removable USB Port 3 Amber LED Indicator & Device Removable Configuration Bit LEDA3z_RMBL3 I/O, PU B27 1 = Device is Removable 0 = Device is NOT Removable USB Port 0 Green LED Indictor & Port Used Configuration Bit LEDG0z_USED0 I/O, PU A25 1 = Port Used 0 = Port is NOT Used USB Port 1 Green LED Indictor & Port Used Configuration Bit LEDG1z_USED1 I/O, PU A27 1 = Port Used 0 = Port is NOT Used PIN DESCRIPTIONS Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TUSB8040A1 13 TUSB8040A1 SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 www.ti.com Table 2-4. USB Downstream Signals (continued) TYPE PIN NO. I/O, PU A28 SIGNAL NAME DESCRIPTION USB Port 2 Green LED Indictor & Port Used Configuration Bit LEDG2z_USED2 1 = Port Used 0 = Port is NOT Used USB Port 3 Green LED Indictor & Port Used Configuration Bit LEDG3z_USED3 I/O, PU A30 1 = Port Used 0 = Port is NOT Used 14 PIN DESCRIPTIONS Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TUSB8040A1 TUSB8040A1 www.ti.com 2.5 SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 I2C/SMBUS Signals Table 2-5. I2C/SMBUS Signals SIGNAL NAME TYPE PIN NO. DESCRIPTION I2C clock/SMBus clock. Function of terminal depends on the setting of the SMBUSz input. When SMBUSz = 1, this terminal acts as the serial clock interface for an I2C EEPROM. When SMBUSz = 0, this terminal acts as the serial clock interface for an SMBus host. SCL/SMBCLK I/O, PD B17 The SCL_SMBCLK terminal is sampled at the deassertion of reset to determine if SuperSpeed USB low power states U1 and U2 are initiated. If SCL_SMBCLK is low, (default), U1 / U2 power states are enabled. If SCL_SMBCLK is high, entry to U1 / U2 power states is not initiated by the hub downstream ports, but is accepted. This input is over-ridden if SDA_SMBDAT is sampled as a ‘1’. If an EEPROM is installed, U1/U2 power state support is controlled by the Device Configuration Register. Can be left unconnected if external interface not implemented. I2C data/SMBus data. Function of terminal depends on the setting of the SMBUSz input. When SMBUSz = 1, this terminal acts as the serial data interface for an I2C EEPROM. When SMBUSz = 0, this terminal acts as the serial data interface for an SMBus host. SDA/SMBDAT I/O, PD A19 The SDA_SMBDAT terminal is sampled at the deassertion of reset to determine if SuperSpeed USB low power states U1 and U2 are disabled. If SDA_SMBDAT is high, U1 and U2 low power states are disabled. If SDA_SMBDAT is low, U1 and U2 low power states are enabled. If the optional EEPROM or SMBUS is implemented, the value of the u1u2Disable bit of the Device Configuration Register determines if the low power states U1 and U2 are enabled. Can be left unconnected if external interface not implemented and U1 and U2 are to be enabled. I2C/SMBus mode select. SMBUSz I, PU B18 1 = I2C Mode Selected 0 = SMBus Mode Selected Can be left unconnected if external interface not implemented. PIN DESCRIPTIONS Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TUSB8040A1 15 TUSB8040A1 SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 2.6 www.ti.com Test and Miscellaneous Signals Table 2-6. Test and Miscellaneous Signals TYPE PIN NO. JTAG_TCK I/O, PD B13 JTAG test clock. Can be left unconnected. JTAG_TDI I/O, PU B15 JTAG test data in. Can be left unconnected. JTAG_TDO I/O, PD A15 JTAG test data out. Can be left unconnected. JTAG_TMS I/O, PU B14 JTAG test mode select. Can be left unconnected. JTAG_RSTz I/O, PD A16 JTAG reset. Pull down using an external 1-kΩ resistor for normal operation. SIGNAL NAME DESCRIPTION High-speed suspend status output. 0 = High-speed upstream port not suspended 1= High-speed upstream port suspended HS_SUSPEND I/O, PD B11 The value of the terminal is sampled at the deassertion of reset to determine the polarity of the PWRONxz_BATENx pins. If it is sampled as a ‘0’ (default), the polarity is active low. If it is sampled as a ‘1’, the polarity is active high. Can be left unconnected. SuperSpeed USB suspend status output. 0 = SuperSpeed USB upstream port not suspended 1= SuperSpeed USB upstream port suspended SS_SUSPEND I/O, PD A13 The value of the terminal is sampled at the deassertion of reset to determine if spread spectrum clocking is enabled or disabled. If it is sampled as a ‘0’ (default), SSC is enabled. If it is sampled as a ‘1’, SSC is disabled. Can be left unconnected. High-speed status. The terminal is to indicate the connection status of the upstream port as documented below: HS O, PU A11 0 = Hub in low/full speed mode 1 = Hub in high-speed mode Can be left unconnected. SuperSpeed USB status. The terminal is to indicate the connection status of the upstream port as documented below: SS O, PU A12 0 = Hub not in SuperSpeed USB mode 1 = Hub in SuperSpeed USB mode Can be left unconnected. Full power management enable/SMBus address bit 1. The value of the terminal is sampled at the de-assertion of reset to set the power switch control follows: 0 = Full power management supported FULLPWRMGMTz_ SMBA1 I, PU A17 1 = Full Power management not supported Full power management is the ability to control power to the downstream ports of the TUSB8040A1 using the PWRON0z_BATEN0 terminal. When SMBus mode is enabled using SMBUSz, this terminal sets the value of the SMBus slave address bit 1. SMBus slave address bits 2 and 3 are always 1 for the TUSB8040A1. When SMBus mode is enabled using SMBUSz, this terminal sets the value of the SMBus slave address bit 1. Can be left unconnected if full power management and SMBus are not implemented. Ganged operation enable/SMBus Address bit 2. The value of the terminal is sampled at the deassertion of reset to set the power switch and over current detection mode as follows: GANGED_SMBA2 I, PU A41 0 = Power indicator LEDs are enabled 1 = Power indicator LEDs are NOT enabled When SMBus mode is enabled using SMBUSz, this terminal sets the value of the SMBus slave address bit 3. 16 PIN DESCRIPTIONS Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TUSB8040A1 TUSB8040A1 www.ti.com SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 Table 2-6. Test and Miscellaneous Signals (continued) SIGNAL NAME TYPE PIN NO. DESCRIPTION Port Indicator LED Status/SMBus Address bit 3. The value of the terminal is sampled at the deassertion of reset to determine the port indicator support for the hub as follows: PORTINDz_SMBA3 I, PU B37 0 = Port Indicator LEDs are enabled 1 = Port Indicator LEDs are not enabled When SMBus mode is enabled using SMBUSz, this terminal sets the value of the SMBus slave address bit 3. PIN DESCRIPTIONS Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TUSB8040A1 17 TUSB8040A1 SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 2.7 www.ti.com Power Signals Table 2-7. Power Signals SIGNAL NAME TYPE PIN NO. P B2, A10, A14, B24, B28, B35, A45, A47, B46, B48 3.3-V power rail VDD P A2, A5, A6, B8, B10, B12, B16, A20, A26, A29, A32, A35, A38, B38, B41, B43, A52 1.1-V power rail GND G A43, A53 Ground, Power Pad G C1, C2, C3, C4 NC A40, A51, B5, B32, VDD33 GND_NC NC 18 DESCRIPTION The corner pins, which are for mechanical stability of the package, are connected to ground internally. These pins may be connected to GND or left unconnected. No connect PIN DESCRIPTIONS Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TUSB8040A1 TUSB8040A1 www.ti.com SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 3 FUNCTIONAL DESCRIPTION 3.1 TUSB8040A1 Register Map Table 3-1. TUSB8040A1 Register Map BYTE ADDRESS 3.2 CONTENTS 00h ROM Signature (55h) 01h Vendor ID LSB 02h Vendor ID MSB 03h Product ID LSB 04h Product ID MSB 05h Device Configuration Register 06h Battery Charging Support Register 07h Device Removable Configuration Register 08h Port Used Configuration Register 09h-0Fh Reserved 10h-1Fh Reserved 20h-21h LangID Byte [1:0] 22h Serial Number String Length 23h Manufacturer String Length 24h Product String Length 25h-2Fh Reserved 30h-4Fh Serial Number String Byte [31:0] 50h-8Fh Manufacturer String Byte [63:0] 90h-CFh Product String Byte [63:0] D0-F7h Reserved F8h Device Status and Command Register F9-FFh Reserved I2C EEPROM Operation The TUSB8040A1 supports a single-master, standard mode (100 kbit/s) connection to a dedicated I2C EEPROM when the I2C interface mode is enabled. In I2C mode, the TUSB8040A1 reads the contents of the EEPROM at bus address 1010000b using 7-bit addressing starting at address 0. If the value of the EEPROM contents at byte 00h equals 55h, the TUSB8040A1 loads the configuration registers according to the EEPROM map. If the first byte is not 55h, the TUSB8040A1 exits the I2C mode and continues execution with the default values in the configuration registers. The hub will not connect on the upstream port until the configuration is completed. Note, some bytes located below offset 9h are optional. Please refer to the detailed register descritpions for any requirements on EEPROM configuration of registers. For details on I2C operation refer to the UM10204 I2C-bus Specification and User Manual. FUNCTIONAL DESCRIPTION Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TUSB8040A1 19 TUSB8040A1 SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 3.3 www.ti.com SMBus Slave Operation When the SMBus interface mode is enabled, the TUSB8040A1 supports read block and write block protocols as a slave-only SMBus device. The TUSB8040A1RKM slave address is 1000 pgxy, where: • p is the state of PORTINDz_SMBA3 at reset, • g is the state of GANGED_SMBA2 at reset, • x is the state of FULLPWRMGMTz_SMBA1 at reset, and • y indicates read (logic 1) or write (logic 0) access. If the TUSB8040A1 is addressed by a host using an unsupported protocol it will not respond. The TUSB8040A1 will wait indefinitely for configuration by the SMBus host and will not connect on the upstream port until the SMBus host indicates configuration is complete by clearing the CFG_ACTIVE bit. For details on SMBus requirements refer to the System Management Bus Specification. 3.4 Configuration Registers The internal configuration registers are accessed on byte boundaries. The configuration register values are loaded with defaults but can be over-written when the TUSB8040A1 is in I2C or SMBus mode. 3.4.1 ROM Signature Register Table 3-2. Register Offset 0h Bit No. 7 6 5 4 3 2 1 0 Reset State 0 0 0 0 0 0 0 0 Table 3-3. Bit Descriptions – ROM Signature Register Bit Field Name 7:0 3.4.2 romSignature Access Description RW ROM Signature Register. This register is used by the TUSB8040A1 in I2C mode to validate the attached EEPROM has been programmed. The first byte of the EEPROM is compared to the mask 55h and if not a match, the TUSB8040A1 aborts the EEPROM load and executes with the register defaults. Vendor ID LSB Register Table 3-4. Register Offset 1h Bit No. 7 6 5 4 3 2 1 0 Reset State 0 1 0 1 0 0 0 1 Table 3-5. Bit Descriptions – Vendor ID LSB Register Bit 7:0 20 Field Name vendorIdLsb Access RW Description Vendor ID LSB. Least significant byte of the unique vendor ID assigned by the USB-IF; the default value of this register is 51h representing the LSB of the TI Vendor ID 0451h. The value may be over-written to indicate a customer Vendor ID. FUNCTIONAL DESCRIPTION Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TUSB8040A1 TUSB8040A1 www.ti.com 3.4.3 SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 Vendor ID MSB Register Table 3-6. Register Offset 2h Bit No. 7 6 5 4 3 2 1 0 Reset State 0 0 0 0 0 1 0 0 Table 3-7. Bit Descriptions – Vendor ID MSB Register Bit Field Name 7:0 3.4.4 Access vendorIdMsb RW Description Vendor ID MSB. Most significant byte of the unique vendor ID assigned by the USB-IF; the default value of this register is 04h representing the MSB of the TI Vendor ID 0451h. The value may be over-written to indicate a customer Vendor ID. Product ID LSB Register Table 3-8. Register Offset 3h Bit No. 7 6 5 4 3 2 1 0 Reset State 0 1 0 0 0 1 1 0 Table 3-9. Bit Descriptions – Vendor ID LSB Register Bit Field Name 7:0 3.4.5 productIdLsb Access Description RW Product ID LSB. Least significant byte of the product ID assigned by Texas Instruments; the default value of this register is 46h representing the LSB of the product ID assigned by Texas Instruments. The value of this register will be reported as configured for the SuperSpeed USB Device descriptor. The USB 2.0 Device descriptor will report the value in this register with bit [1] toggled. This ensures that the USB drivers load properly for both hubs. The value may be over-written to indicate a customer product ID. Product ID MSB Register Table 3-10. Register Offset 4h Bit No. 7 6 5 4 3 2 1 0 Reset State 1 0 0 0 0 0 0 0 Table 3-11. Bit Descriptions – Vendor ID MSB Register Bit 7:0 Field Name productIdMsb Access RW Description Product ID MSB. Most significant byte of the product ID assigned by Texas Instruments; the default value of this register is 80h representing the MSB of the product ID assigned by Texas Instruments. The value may be over-written to indicate a customer product ID. FUNCTIONAL DESCRIPTION Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TUSB8040A1 21 TUSB8040A1 SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 3.4.6 www.ti.com Device Configuration Register Table 3-12. Register Offset 5h Bit No. 7 6 5 4 3 2 1 0 Reset State 0 0 0 X X X X 0 Table 3-13. Bit Descriptions – Device Configuration Register Bit 7 6 5 4 3 2 22 Field Name customStrings customSernum u1u2Disable portIndz ganged fullPwrMgmtz Access Description RW Custom Strings Enable. When this bit is set and the TUSB8040A1 is in I2C mode, the TUSB8040A1 loads the string registers from the contents of the EEPROM. When set and the TUSB8040A1 is in SMBUS mode, the string registers may written by an SMBus host. This bit defaults to 0. RW Custom Serial Number Enable. When this bit is set and the TUSB8040A1 is in I2C mode, the TUSB8040A1 loads the serial number register from the contents of the EEPROM. When set and the TUSB8040A1 is in SMBUS mode, the Serial Number registers may written by an SMBus host. This bit defaults to 0. RW U1 U2 Disable. When this bit is set the TUSB8040A1 will not initiate or accept any U1 or U2 requests on any port, upstream or downstream, unless it receives or sends a Force_LinkPM_Accept LMP. After receiving or sending an FLPMA LMP, it will continue to enable U1 and U2 according to USB 3.0 protocol until it gets a power-on reset or is disconnected on its upstream port. This bit is loaded at the de-assertion of reset with the value of the SDA_SMBDAT terminal. When the TUSB8040A1 is in I2C mode, the TUSB8040A1 loads this bit from the contents of the EEPROM. When the TUSB8040A1 is in SMBUS mode, the value may be over-written by an SMBus host. RW Port Indicator Status. This bit shall be loaded at the de-assertion of reset with the value of PORTINDz_SMBA3 terminal. When the TUSB8040A1 is in I2C mode, the TUSB8040A1 loads this bit from the contents of the EEPROM. When the TUSB8040A1 is in SMBUS mode, the value may be overwritten by an SMBus host. RW Ganged. This bit shall be loaded at the de-assertion of reset with the value of GANGEd_SMBA2 terminal. When the TUSB8040A1 is in I2C mode, the TUSB8040A1 loads this bit from the contents of the EEPROM. When the TUSB8040A1 is in SMBUS mode, the value may be overwritten by an SMBus host. RW Full Power Management. This bit is loaded at the de-assertion of reset with the value of the FULLPWRMGMTz_SMBA1 terminal. When this bit is 0, power switching and over-current detection is supported whether bus- or self-powered. When the bit is 1 and the device is bus powered, power switching is supported but over-current detection is not supported. When the bit is 1 and the device is self-powered over-current detection is supported but power switching is not supported. When the TUSB8040A1 is in I2C mode, the TUSB8040A1 loads this bit from the contents of the EEPROM. When the TUSB8040A1 is in SMBUS mode, the value may be over-written by an SMBus host. 1 u1u2TimerOvr RW U1 U2 Timer Override. When this bit is set the TUSB8040A1 will override the downstream ports u1/u2 timeout values set by software. If software sets a value in the range of 1-FF, the TUSB8040A1 will use the value FF. If software sets a value of 0, the TUSB8040A1 will use the value 0.This bit is loaded at the de-assertion of reset with the value of the SCL_SMBCLK terminal. When the TUSB8040A1 is in I2C mode, the TUSB8040A1 loads this bit from the contents of the EEPROM. When the TUSB8040A1 is in SMBUS mode, the value may be over-written by an SMBus host. 0 RSVD RO Reserved. Read only, returns 0 when read. FUNCTIONAL DESCRIPTION Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TUSB8040A1 TUSB8040A1 www.ti.com 3.4.7 SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 Battery Charging Support Register Table 3-14. Register Offset 6h Bit No. 7 6 5 4 3 2 1 0 Reset State 0 0 0 0 X X X X Table 3-15. Bit Descriptions – Battery Charging Support Register Bit Field Name Access 7:4 RSVD RO Reserved. Read only, returns 0 when read. RW Battery Charger Support. The bits in this field indicate whether the downstream port implements the charging port features. A value of 0 indicates the port does not implement the charging port features. A value of 1 indicates the port does support the charging port features. Each bit corresponds directly to a downstream port, i.e. batEn0 corresponds to downstream port 0. When in I2C/SMBus mode the bits in this field corresponding to the enabled ports per used[3:0] may be over-written by EEPROM contents or by an SMBus host. 3:0 batEn[3:0] Description The default value for these bits are loaded at the de-assertion of reset with the value of the PWRON[3:0]z_BATEN[3:0] as follows: bateEn[3:0] defaults to wxyzb, where w is PWRON3z_BATEN3, x is PWRON2z_BATEN2, y is PWRON1z_BATEN1 and z is PWRON0z_BATEN0. 3.4.8 Device Removable Configuration Register Table 3-16. Register Offset 7h Bit No. 7 6 5 4 3 2 1 0 Reset State 0 0 0 0 X X X X Table 3-17. Bit Descriptions – Device Removable Configuration Register Bit Field Name Access 7:4 RSVD RO Description Reserved. Read only, returns 0 when read. Removable. The bits in this field indicate whether a device attached to downstream ports 3 through 0 are removable or permanently attached. A value of 0 indicates the device attached to the port is not removable. A value of 1 indicates the device attached to the port is removable. 3:0 rmbl[3:0] RW The default value for these bits are loaded at the de-assertion of reset with the value of LEDA[3:0]z_RMBL[3:0] as follows: rmbl[3:0] defaults to wxyzb, where w is LEDA3z_RMBL3, x is LEDA2z_RMBL2, y is LEDA1z_RMBL1 and z is LEDA0z_RMBL0. FUNCTIONAL DESCRIPTION Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TUSB8040A1 23 TUSB8040A1 SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 3.4.9 www.ti.com Port Used Configuration Register Table 3-18. Register Offset 8h Bit No. 7 6 5 4 3 2 1 0 Reset State 0 0 0 0 X X X X Table 3-19. Bit Descriptions – Port Used Configuration Register Bit Field Name Access 7:4 RSVD RO Description Reserved. Read only, returns 0 when read. Used. The bits in this field indicate whether downstream ports 3 through 0 are enabled or disabled for use. A value of 0 indicates the port is not used. A value of 1 indicates the port is used. 3:0 used[3:0] RW The default value for these bits are loaded at the de-assertion of reset with the value of LEDG[3:0]z_USED[3:0] as follows: used[3:0] defaults to wxyzb, where w is LEDG3z_USED3, x is LEDG2z_USED2, y is LEDG1z_USED1 and z is LEDG0z_USED0. 3.4.10 Reserved Register Table 3-20. Register Offset 9h Bit No. 7 6 5 4 3 2 1 0 Reset State 0 0 0 0 0 0 0 0 Table 3-21. Bit Descriptions – Reserved Register Bit Access Description 7:6 RSVD RW Reserved. When the TUSB8040A1 is in I2C mode, the TUSB8040A1 loads these bits from the contents of the EEPROM. When the TUSB8040A1 is in SMBUS mode, the values may be over-written by an SMBus host. These bits shall be programmed to 0 for normal operation. 5:2 RSVD RO Reserved. Read only, returns 0 when read. RW Reserved. When the TUSB8040A1 is in I2C mode, the TUSB8040A1 loads these bits from the contents of the EEPROM. When the TUSB8040A1 is in SMBUS mode, the values may be over-written by an SMBus host. These bits shall be programmed to 0 for normal operation. 1:0 24 Field Name RSVD FUNCTIONAL DESCRIPTION Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TUSB8040A1 TUSB8040A1 www.ti.com SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 3.4.11 Reserved Register Table 3-22. Register Offset Ah Bit No. 7 6 5 4 3 2 1 0 Reset State 0 0 0 0 0 0 1 0 Table 3-23. Bit Descriptions – Reserved Register Bit Field Name Access 7:5 RSVD RO Reserved. Read only, returns 0 when read. RW Reserved. When the TUSB8040A1 is in I2C mode, the TUSB8040A1 loads these bits from the contents of the EEPROM. When the TUSB8040A1 is in SMBUS mode, the values may be over-written by an SMBus host. These bits shall be programmed to 0 for normal operation. 4:2 RSVD Description 1 RSVD RW Reserved. When the TUSB8040A1 is in I2C mode, the TUSB8040A1 loads these bits from the contents of the EEPROM. When the TUSB8040A1 is in SMBUS mode, the values may be over-written by an SMBus host. This bit shall be programmed to 1 for normal operation. 0 RSVD RO Reserved. Read only, returns 0 when read. 3.4.12 Language ID LSB Register Table 3-24. Register Offset 20h Bit No. 7 6 5 4 3 2 1 0 Reset State 0 0 0 0 1 0 0 1 Table 3-25. Bit Descriptions – Language ID LSB Register Bit 7:0 Field Name Access langIdLsb RW Description Language ID least significant byte. This register contains the value returned in the LSB of the LANGID code in string index 0. The TUSB8040A1 only supports one language ID. The default value of this register is 09h representing the LSB of the LangID 0409h indicating English United States. When customStrings is 1, this field may be overwritten by the contents of an attached EEPROM or by an SMBus host. 3.4.13 Language ID MSB Register Table 3-26. Register Offset 21h Bit No. 7 6 5 4 3 2 1 0 Reset State 0 0 0 0 0 1 0 0 Table 3-27. Bit Descriptions – Language ID MSB Register Bit 7:0 Field Name langIdMsb Access RW Description Language ID most significant byte. This register contains the value returned in the MSB of the LANGID code in string index 0. The TUSB8040A1 only supports one language ID. The default value of this register is 04h representing the MSB of the LangID 0409h indicating English United States. When customStrings is 1, this field may be overwritten by the contents of an attached EEPROM or by an SMBus host. FUNCTIONAL DESCRIPTION Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TUSB8040A1 25 TUSB8040A1 SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 www.ti.com 3.4.14 Serial Number String Length Register Table 3-28. Register Offset 22h Bit No. 7 6 5 4 3 2 1 0 Reset State 0 0 0 1 0 1 0 0 Table 3-29. Bit Descriptions – Serial Number String Length Register Bit Field Name Access 7:6 RSVD RO Reserved. Read only, returns 0 when read. RW Serial number string length. The string length in bytes for the serial number string. The default value is 14h, indicating that a 20-byte serial number string is supported. The maximum string length is 32 bytes. This field may be over-written by the contents of an attached EEPROM or by an SMBus host. When the field is non-zero, a serial number string of serNumbStringLen bytes is returned at string index 1 from the data contained in the Serial Number String registers. 5:0 serNumStringLen Description 3.4.15 Manufacturer String Length Register Table 3-30. Register Offset 23h Bit No. 7 6 5 4 3 2 1 0 Reset State 0 0 0 0 0 0 0 0 Table 3-31. Bit Descriptions – Manufacturer String Length Register Bit Field Name Access 7 RSVD RO Reserved. Read only, returns 0 when read. RW Manufacturer string length. The string length in bytes for the manufacturer string. The default value is 0, indicating that a manufacturer string is not provided. The maximum string length is 64 bytes. When the field is non-zero, a manufacturer string of mfgStringLen bytes is returned at string index 3 from the data contained in the Manufacturer String registers. 6:0 mfgStringLen Description 3.4.16 Product String Length Register Table 3-32. Register Offset 24h Bit No. 7 6 5 4 3 2 1 0 Reset State 0 0 0 0 0 0 0 0 Table 3-33. Bit Descriptions – Product String Length Register Bit Field Name Access 7 RSVD RO Reserved. Read only, returns 0 when read. RW Product string length. The string length in bytes for the product string. The default value is 0, indicating that a product string is not provided. The maximum string length is 64 bytes. When the field is non-zero, a product string of prodStringLen bytes is returned at string index 2 from the data contained in the Product String registers. 6:0 26 prodStringLen Description FUNCTIONAL DESCRIPTION Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TUSB8040A1 TUSB8040A1 www.ti.com SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 3.4.17 Reserved Register Table 3-34. Register Offset 2Fh Bit No. 7 6 5 4 3 2 1 0 Reset State 0 0 0 0 0 0 0 0 Table 3-35. Bit Descriptions – Reserved Register Bit Field Name Access 7:1 RSVD RO Reserved. Read only, returns 0 when read. RW Reserved. When the TUSB8040A1 is in I2C mode, the TUSB8040A1 loads this bit from the contents of the EEPROM. When the TUSB8040A1 is in SMBUS mode, the values may be over-written by an SMBus host. This bit shall be programmed to 0 for normal operation. 0 RSVD Description 3.4.18 Serial Number Registers Table 3-36. Register Offset 30h-4Fh Bit No. 7 6 5 4 3 2 1 0 Reset State X X x x x x x x Table 3-37. Bit Descriptions – Serial Number Registers Bit 7:0 Field Name serialNumber[n] Access Description RW Serial Number byte N. The serial number returned in the Serial Number string descriptor at string index 1. The default value of these registers is calculated from the Die ID fields in the fuseRom. When customSernum is 1, these registers may be over-written by EEPROM contents or by an SMBus host. The serial number will be returned in USB 2.0 descriptor of the TUSB8040A1. 3.4.19 Manufacturer String Registers Table 3-38. Register Offset 50h-8Fh Bit No. 7 6 5 4 3 2 1 0 Reset State 0 0 0 0 0 0 0 0 Table 3-39. Bit Descriptions – Manufacturer String Registers Bit 7:0 Field Name mfgStringByte[n] Access RW Description Manufacturer string byte N. These registers provide the string values returned for string index 3 when mfgStringLen is greater than 0. The number of bytes returned in the string is equal to mfgStringLen. The programmed data should be in UNICODE UTF-16LE encodings as defined by The Unicode Standard, Worldwide Character Encoding, Version 5.0. FUNCTIONAL DESCRIPTION Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TUSB8040A1 27 TUSB8040A1 SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 www.ti.com 3.4.20 Product String Registers Table 3-40. Register Offset 90h-CFh Bit No. 7 6 5 4 3 2 1 0 Reset State 0 0 0 0 0 0 0 0 Table 3-41. Bit Descriptions – Product String Registers Bit 7:0 Field Name prodStringByte[n] Access Description RW Product string byte N. These registers provide the string values returned for string index 2 when prodStringLen is greater than 0. The number of bytes returned in the string is equal to prodStringLen. The programmed data should be in UNICODE UTF-16LE encodings as defined by The Unicode Standard, Worldwide Character Encoding, Version 5.0. 3.4.21 Additional Feature Configuration Register Table 3-42. Register Offset F0h Bit No. 7 6 5 4 3 2 1 0 Reset State 0 0 0 0 0 0 0 0 Table 3-43. Bit Descriptions –Additional Feature Configuration Register Bit Field Name Access 7:1 RSVD RO Reserved. Read only, returns 0 when read. RW USB 3.0 Spread Spectrum Clocking Disable. When this bit is set USB 3.0 spread spectrum clocking is disabled. This bit is loaded at the deassertion of reset with the value of the SS_SUSPEND terminal. When the TUSB8040A1 is in I2C mode, the TUSB8040A1 loads this bit from the contents of the EEPROM. When the TUSB8040A1 is in SMBUS mode, the value may be over-written by an SMBus host. This bit shall be programmed to 0 for normal operation. 0 usb3spreadDis Description 3.4.22 Reserved Register Table 3-44. Register Offset F1h Bit No. 7 6 5 4 3 2 1 0 Reset State 0 0 0 0 0 0 0 0 Table 3-45. Bit Descriptions – Reserved Register Bit Access Description 7:6 RSVD RW Reserved. When the TUSB8040A1 is in I2C mode, the TUSB8040A1 loads these bits from the contents of the EEPROM. When the TUSB8040A1 is in SMBUS mode, the values may be over-written by an SMBus host. 5:1 RSVD RO Reserved. Read only, returns 0 when read. RW Reserved. When the TUSB8040A1 is in I2C mode, the TUSB8040A1 loads this bit from the contents of the EEPROM. When the TUSB8040A1 is in SMBUS mode, the values may be over-written by an SMBus host. This bit shall be programmed to 0 for normal operation. 0 28 Field Name RSVD FUNCTIONAL DESCRIPTION Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TUSB8040A1 TUSB8040A1 www.ti.com SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 3.4.23 Reserved Register Table 3-46. Register Offset F2h Bit No. 7 6 5 4 3 2 1 0 Reset State 0 0 0 0 0 0 0 0 Table 3-47. Bit Descriptions – Reserved Register Bit Field Name Access 7:1 RSVD RO Reserved. Read only, returns 0 when read. RW Reserved. When the TUSB8040A1 is in I2C mode, the TUSB8040A1 loads this bit from the contents of the EEPROM. When the TUSB8040A1 is in SMBUS mode, the values may be over-written by an SMBus host. This bit shall be programmed to 0 for normal operation. 0 RSVD Description 3.4.24 Device Status and Command Register Table 3-48. Register Offset F8h Bit No. 7 6 5 4 3 2 1 0 Reset State 0 0 0 0 0 0 0 0 Table 3-49. Bit Descriptions – Device Status and Command Register Bit Field Name Access 7:2 RSVD RO 1 0 smbusRst cfgActive Description Reserved. Read only, returns 0 when read. RSU SMBus interface reset. This bit resets the SMBus slave interface to its default state and loads the registers back to their GRSTz values. This bit is set by writing a 1 and is cleared by hardware on completion of the reset. A write of 0 has no effect. (Not used with I2C) RCU Configuration active. This bit indicates that configuration of the TUSB8040A1 is currently active. The bit is set by hardware when the device enters the I2C or SMBus mode. The TUSB8040A1 does not connect on the upstream port while this bit is 1.When in I2C mode, the bit is cleared by hardware when the TUSB8040A1 exits the I2C mode. When in the SMBus mode, this bit must be cleared by the SMBus host in order to exit the configuration mode and allow the upstream port to connect. The bit is cleared by a writing 1. A write of 0 has no effect. FUNCTIONAL DESCRIPTION Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TUSB8040A1 29 TUSB8040A1 SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 4 www.ti.com CLOCK GENERATION The TUSB8040A1 accepts a crystal input to drive an internal oscillator or an external clock source. If a clock is provided to XI instead of a crystal, XO is left open and VSSOSC should be connected to the PCB ground plane. Otherwise, if a crystal is used, the connection needs to follow the guidelines below. Since XI and XO are coupled to other leads and supplies on the PCB, it is important to keep them as short as possible and away from any switching leads. It is also recommended to minimize the capacitance between XI and XO. This can be accomplished by connecting the VSSOSC lead to the two external capacitors CL1 and CL2 and shielding them with the clean ground lines. The VSSOSC should not be connected to PCB ground when using a crystal. R1 1M Y1 XI XO VSS_OSC 76 CL2 CL1 74 18pF 24MHZ 18pF 75 TUSB8040A1 - CLOCK Figure 4-1. TUSB8040A1 Clock 4.1 Crystal Requirements The crystal must be fundamental mode with load capacitance of 12 pF to 24 pF and frequency stability rating of ±100 PPM or better. To ensure proper startup oscillation condition, a maximum crystal equivalent series resistance (ESR) of 50 Ω is recommended. A parallel, 18-pF load capacitor should be used if a crystal source is used. VSSOSC should not be connected to the PCB ground plane. 4.2 Input Clock Requirements When using an external clock source such as an oscillator, the reference clock should have a ±100 PPM or better frequency stability and have less than 50-ps absolute peak to peak jitter or less than 25-ps peak to peak jitter after applying the USB 3.0 jitter transfer function. XI should be tied to the 1.8-V clock source and XO should be left floating. VSSOSC should be connected to the PCB ground plane. 30 CLOCK GENERATION Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TUSB8040A1 TUSB8040A1 www.ti.com 5 SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 POWER UP AND RESET The TUSB8040A1 does not have specific power sequencing requirements with respect to the core power (VDD) or I/O and analog power (VDD33). The core power (VDD) or I/O power (VDD33) may be powered up for an indefinite period of time while the other is not powered up if all of these constraints are met: • All maximum ratings and recommended operating conditions are observed. • All warnings about exposure to maximum rated and recommended conditions are observed, particularly junction temperature. These apply to power transitions as well as normal operation. • Bus contention while VDD33 is powered up must be limited to 100 hours over the projected life-time of the device. • Bus contention while VDD33 is powered down may violate the absolute maximum ratings. A supply bus is powered up when the voltage is within the recommended operating range. It is powered down when it is below that range, either stable or in transition. A minimum reset duration of 3 ms is required. This is defined as the time when the power supplies are in the recommended operating range to the de-assertion of GRSTz. This can be generated using programmable-delay supervisory device or using an RC circuit. A supply bus is powered up when the voltage is within the recommended operating range. It is powered down when it is below that range, either stable or in transition. A minimum reset duration of 3 ms is required. This is defined as the time when the power supplies are in the recommended operating range to the de-assertion of GRSTz. This can be generated using programmable-delay supervisory device or using an RC circuit. POWER UP AND RESET Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TUSB8040A1 31 TUSB8040A1 SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 www.ti.com 6 ELECTRICAL SPECIFICATIONS 6.1 Absolute Maximum Ratings (1) over operating free-air temperature range (unless otherwise noted) VALUE VDD33 VDD Tstg (1) UNIT -0.3 to 3.8 Supply voltage V -0.3 to 1.4 Storage temperature range -65 to 150 °C Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions is not implied. Expose to absolute-maximum-rated conditions for extended periods may affect device reliability 6.2 Recommended Operating Conditions over operating free-air temperature range (unless otherwise noted) VDD33 VDD (1) Supply voltage MIN NOM MAX 3 3.3 3.6 0.99 1.26 UNIT V TA Operating free-air temperature range 0 25 70 °C TJ Operating junction temperature range 0 25 105 °C (1) A 1.05-V, 1.1-V, or 1.2-V supply may be used as long as minimum and maximum supply conditions are met. 6.3 THERMAL INFORMATION TUSB8040A1 THERMAL METRIC RKM UNITS 100 PINS θJA Junction-to-ambient thermal resistance (1) θJCtop Junction-to-case (top) thermal resistance (2) 9.5 θJB Junction-to-board thermal resistance (3) 15.2 ψJT Junction-to-top characterization parameter (4) 0.1 ψJB Junction-to-board characterization parameter (5) 7.5 θJCbot Junction-to-case (bottom) thermal resistance (6) 0.4 (1) (2) (3) (4) (5) (6) 32 25.6 °C/W The junction-to-ambient thermal resistance under natural convection is obtained in a simulation on a JEDEC-standard, high-K board, as specified in JESD51-7, in an environment described in JESD51-2a. The junction-to-case (top) thermal resistance is obtained by simulating a cold plate test on the package top. No specific JEDECstandard test exists, but a close description can be found in the ANSI SEMI standard G30-88. The junction-to-board thermal resistance is obtained by simulating in an environment with a ring cold plate fixture to control the PCB temperature, as described in JESD51-8. The junction-to-top characterization parameter, ψJT, estimates the junction temperature of a device in a real system and is extracted from the simulation data for obtaining θJA, using a procedure described in JESD51-2a (sections 6 and 7). The junction-to-board characterization parameter, ψJB, estimates the junction temperature of a device in a real system and is extracted from the simulation data for obtaining θJA , using a procedure described in JESD51-2a (sections 6 and 7). The junction-to-case (bottom) thermal resistance is obtained by simulating a cold plate test on the exposed (power) pad. No specific JEDEC standard test exists, but a close description can be found in the ANSI SEMI standard G30-88. Spacer ELECTRICAL SPECIFICATIONS Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TUSB8040A1 TUSB8040A1 www.ti.com 6.4 SLLSEE5A – FEBRUARY 2013 – REVISED MAY 2013 3.3-V I/O Electrical Characteristics over operating free-air temperature range (unless otherwise noted) PARAMETER VIH High-level input voltage OPERATION (1) VIL Low-level input voltage (1) VI Input voltage TEST CONDITIONS VDD33 VDD33 JTAG pins only (2) MIN MAX UNIT 2 VDD33 V 0 0.8 0 0.55 0 VDD33 0 VDD33 V 0 25 ns 0.13 x VDD33 V V V VO Output voltage tt Input transition time (trise and tfall) Vhys Input hysteresis (3) VOH High-level output voltage VDD33 IOH = -4 mA VOL Low-level output voltage VDD33 IOL = 4 mA 0.4 V IOZ High-impedance, output current (2) VDD33 VI = 0 to VDD33 ±20 µA IOZP High-impedance, output current with internal pullup or pulldown resistor (4) VDD33 VI = 0 to VDD33 ±225 µA II Input current (5) VDD33 VI = 0 to VDD33 ±15 µA (1) (2) (3) (4) (5) 6.5 2.4 V Applies to external inputs and bidirectional buffers. Applies to external outputs and bidirectional buffers. Applies to GRSTz. Applies to pins with internal pullups/pulldowns. Applies to external input buffers. Hub Input Supply Current Typical values measured at TA = 25°C VDD33 VDD 3.3 V 1.1 V Power On (after Reset) 4 68 mA Upstream Disconnect 4 68 mA Suspend 4 68 mA 3.0 host / 1 SS Device and Hub in U1 46 260 mA 3.0 host / 1 SS Device and Hub in U0 46 400 mA 3.0 host / 2 SS Devices and Hub in U1 46 330 mA 3.0 host / 2 SS Devices and Hub in U0 46 540 mA 3.0 host / 3 SS Devices and Hub in U1 46 420 mA 3.0 host / 3 SS Devices and Hub in U0 46 650 mA 3.0 host / 4 SS Devices and Hub in U1 46 560 mA 3.0 host / 4 SS Devices and Hub in U0 46 770 mA 3.0 host / 1 SS and 1 HS Devices in U0 and active 90 430 mA 3.0 host / 2 SS and 2 HS Devices in U0 and active 105 570 mA 2.0 host / HS Device active 46 90 mA 2.0 host / 4 HS Device active 90 115 mA PARAMETER UNIT LOW POWER MODES ACTIVE MODES (US state / DS State) ELECTRICAL SPECIFICATIONS Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TUSB8040A1 33 PACKAGE OPTION ADDENDUM www.ti.com 29-May-2013 PACKAGING INFORMATION Orderable Device Status (1) TUSB8040A1RKMR ACTIVE Package Type Package Pins Package Drawing Qty WQFN RKM 100 3000 Eco Plan Lead/Ball Finish (2) Green (RoHS & no Sb/Br) MSL Peak Temp Op Temp (°C) Device Marking (3) CU NIPDAU Level-3-260C-168 HR (4/5) 0 to 70 TUSB8040A1 RKM (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material) (3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. (4) There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device. (5) Multiple Device Markings will be inside parentheses. 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