USB2514 USB 2.0 High-Speed 4-Port Hub Controller Data Sheet
Contents
1. 18 4 1 4 POMHUD ETT 18 4 1 1 Hub Configuration Options 18 4 1 2 MBus Detect ec EROR RN RERO Rb arg hes eee 18 4 2 36 QFN and 48 QFN Feature Differences 18 43 EEPROM Interface ba a es o RR n CR ac ee de eee 19 4 3 1 Internal Register Set Common to EEPROM and SMBus 19 4 3 2 I2C EEPROM ss B Kick RU E Ce RORIS RE un eee ee RE RET ta 34 4 3 3 In Circuit EEPROM 34 44 SMBusSlavelnterface liliis hrs 35 4 4 1 Bus Protocols 2c eux p sre eg es RU ROPA wena 35 4 4 2 Invalid Protocol Response 36 4 4 3 General Call Address lt 36 4 4 4 Slave Device 36 4 4 5 Stretching the SCLK Signal 00 ccc teens 36 4 4 6 SMBUS TIMING rreri ga Ae e UR GU kad dle ee CR e wee RG RC 36 4 4 7 Bus Reset 37 4 4 8 SMBus Alert Response 55 eee eee ees 37 4 5 Default Configuration teen 37 4 6 Default Strapping2. SUCCESS BY DESIGN PRODUCT FEATURES USB2514 USB 2 0 High Speed 4 Port Hub Controller Datasheet General Description The SMSC 4 Port Hub is low power OEM configurable multi transaction translator hub controller IC with 4 downstream ports for embedded USB solutions The 4 port hub is fully compliant with the USB 2 0 Specification and will attach to an upstream port as a Full Speed Hub or as a Full High Speed Hub The 4 Port Hub supports Low Speed Full Speed and High Speed if operating as a High Speed Hub downstream devices on all of the enabled downstream ports General Features Hub Controller IC with 4 downstream ports High performance multiple transaction translator MultiTRAK Technology Provides one transaction translator per port Enhanced OEM configuration options available through either a single serial i2C EEPROM or SMBus Slave Port 36 6x6mm 48 Pin 7x7mm QFN lead free RoHS compliant packages Footprint compatible with USB2513 and USB2512 36 QFN to provide designers with flexibility regarding the quantity of USB expansion ports utilized without redesign Hardware Features Low power operation Full Power Management with individual or ganged power control of each downstream port On chip Power On Reset POR Internal 1 8V Voltage Regulator Fully integrated USB termination and Pull up Pull down resistors On Board 24MHz Crystal Dri
3. tees 37 4 7 dee Ga RC Ad Er eh poe ee 38 4 7 1 Internal POR Hardware 38 4 7 2 External Hardware _ 38 4 7 3 USB Bus a a hr 41 Chapter 5 DC 43 5 1 Maximum Guaranteed 43 5 2 Recommended Operating 43 Chapter 6 AC Speciications 47 6 1 mre 47 6 1 1 SMBus Interface ede be dea eed eee kd dard oo 47 6 1 2 2 EEPROM o ciate ode ee phate ER Ro x edunt vau CR i eR e RU 47 6 1 3 USB 20 P 47 Chapter 7 Package 48 SMSC USB2514 Revision 1 98 11 19 07 3 DATASHEET P SMSE USB 2 0 High Speed 4 Port Hub Controller List of Figures Figure 1 1 Figure 1 2 Figure 2 1 Figure 4 1 Figure 4 2 Figure 4 3 Figure 4 4 Figure 4 5 Figure 4 6 Figure 6 1 Figure 6 2 Figure 7 1 Figure 7 2 Revision 1 98 11 19 07 Datasheet USB2514 36 Pin QFN eee 6 USB2514 48 Pi X vee ERR Aer queu
4. 1 port is non removable Informs the Host if one of the active ports has a permanent device that is undetachable from the Hub Note The device must provide its own descriptor data When using the internal default option the NON_REM 1 0 pins will designate the appropriate ports as being non removable Bit 72 Reserved Bit 6 Reserved Bit 5 Reserved Bit 4 1 Port 4 non removable Bit 32 1 Port non removable Bit 22 1 Port 2 non removable Bit 12 1 Port 1 non removable Bit 0 is Reserved always 0 Revision 1 98 11 19 07 24 SMSC USB2514 DATASHEET USB 2 0 High Speed 4 Port Hub Controller Datasheet gt sms c 4 3 1 11 Register OAh Port Disable For Self Powered Operation BIT NUMBER BIT NAME DESCRIPTION 7 0 PORT_DIS_SP Port Disable Self Powered Disables 1 or more contiguous ports 0 port is available 1 port is disabled During Self Powered operation when remapping mode is disabled PRTMAP_EN 0 this selects the ports which will be permanently disabled and are not available to be enabled or enumerated by a Host Controller The ports can be disabled in any order the internal logic will automatically report the correct number of enabled ports to the USB Host and will reorder the active ports in order to ensure proper function Bit 7 Reserved Bit 6 Reserved Bit 5 Reserved Bit 4 1 Port 4 is disabled Bit 3 1 Port 3 is disabled Bit 2 1 Port 2 is disabled
5. Bit 1 1 Port 1 is disabled Bit 0 is Reserved always 0 4 3 1 12 Register OBh Port Disable For Bus Powered Operation BIT NUMBER BIT NAME DESCRIPTION 7 0 PORT_DIS_BP Port Disable Bus Powered Disables 1 or more contiguous ports 0 port is available 1 port is disabled During Self Powered operation when remapping mode is disabled PRTMAP_EN 0 this selects the ports which will be permanently disabled and are not available to be enabled or enumerated by a Host Controller The ports can be disabled in any order the internal logic will automatically report the correct number of enabled ports to the USB Host and will reorder the active ports in order to ensure proper function When using the internal default option the PRT_DIS 1 0 pins will disable the appropriate ports Bit 7 Reserved Bit 6 Reserved Bit 5 Reserved Bit 4 1 Port 4 is disabled Bit 3 1 Port 3 is disabled Bit 2 1 Port 2 is disabled Bit 1 1 Port 1 is disabled Bit 0 is Reserved always 0 SMSC USB2514 Revision 1 98 11 19 07 25 DATASHEET P SMSE USB 2 0 High Speed 4 Port Hub Controller Datasheet 4 3 1 13 Register Max Power For Self Powered Operation BIT NUMBER BIT NAME DESCRIPTION 7 0 MAX_PWR_SP Max Power Self_Powered Value in 2mA increments that the Hub consumes from an upstream port VBUS when operating as
6. equals total board trace capacitance C Csi x C2 Cs2 CL C Cs Co Cs2 Figure 6 2 Formula to find value of C4 and C 6 1 1 SMBus Interface The SMSC Hub conforms to all voltage power and timing characteristics and specifications as set forth in the SMBus 1 0 Specification for Slave Only devices except as noted in Section 4 4 SMBus Slave Interface 6 1 2 12 EEPROM Frequency is fixed at 58 6KHz 20 6 1 3 USB 2 0 The SMSC Hub conforms to all voltage power and timing characteristics and specifications as set forth in the USB 2 0 Specification Please refer to the USB 2 0 Specification for more information SMSC USB2514 Revision 1 98 11 19 07 47 DATASHEET USB 2 0 High Speed 4 Port Hub Controller Datasheet Chapter 7 Package Outlines D D2 01 A M U U UU 0 LS 1 XE 3 Y 3 0 2 X E 2 3 gt 3 E1 E 2 gt EXPOSED PAD i E gt 36XL 4 45 6 MAX OPTIONAL 36X 0 2 MIN pe i 36X b AN TERMINAL 24 IDENTIFIER AREA D1 2 X E1 2 TOP VIEW BOTTOM VIEW AX 0 12 A 14 amp A2 Gec
7. Detect V amp s T Pulse Repeater USB 2 0 High Speed 4 Port Hub Controller Datasheet To EEPROM or SMBus Master SD 4 SCK Serial Interface Controller EC EL S Port Controller Routing amp Port Re Ordering Logic ou Y d Y 41 Port 1 OC Sense Sense Switch Switch Switch Driver Driver Driver LED LED LED Drivers Drivers Drivers Port 2 OC Sense Port 3 Switch Driver LED USB Data OC Sense Downstream Switch LED Drivers USB Data OC Sense Downstream Switch LED Drivers USB Data OC Sense Drivers Figure 2 1 USB2514 Block Diagram Revision 1 98 11 19 07 8 DATASHEET Drivers USB Data OC Sense Downstream Switch LED Downstream Switch LED Drivers SMSC USB2514 USB 2 0 High Speed 4 Port Hub Controller P SMSC Datasheet Chapter 3 Pin Descriptions 3 1 PIN Descriptions This section provides a detailed description of each signal The signals are arranged in functional groups according to their associated interface The N symbol in the signal name indicates that the active or asserted state occurs when the signal is at a low voltage level When is not present before the signal name the signal is asserted wh
8. Enhanced Indicator LED for port 4 Will be active low when LED support is enabled via EEPROM or SMBus LED_B3_N n a 22 1 012 Enhanced Port 3 LED amp Gang Power and Overcurrent GANG_EN Strap Option Enhanced Indicator LED for port 3 Will be active low when LED support is enabled via EEPROM or SMBus GANG_EN Selects between Gang or Individual power and Over Current sensing If this strap is enabled by package and configuration settings see Table 3 2 this pin will be sampled at RESET_N negation to determine the mode as follows 0 Individual sensing amp switching and LED_B3_N is active high 1 Ganged sensing amp switching and LED B3 N is active low LED B 2 1 N n a 24 1 012 Enhanced Port 2 1 LED amp Phy Boost strapping option BOOST 1 0 36 Enhanced Indicator LED for ports 1 amp 2 Will be active low when LED support is enabled via EEPROM or SMBus Revision 1 98 11 19 07 SMSC USB2514 10 DATASHEET USB 2 0 High Speed 4 Port Hub Controller Datasheet P SMSE Table 3 1 USB2514 Pin Descriptions continued SYMBOL 36 QFN 48 QFN BUFFER TYPE DESCRIPTION BOOST 1 0 If this strap is enabled by package and configuration settings see Table 3 2 this pin will be sampled at RESET_N negation to determine if all PHY ports upstream and downstream operate at a normal or boosted electrical level Also the active state of the LEDs w
9. Revision 1 98 1 N A Only Active High Port Power Control is supported in 36 QFN package N A Boost Default Level is used see Table 4 2 Internal Default EEPROM and SMBus Register Memory Map 1 19 07 SMSC USB2514 18 DATASHEET USB 2 0 High Speed 4 Port Hub Controller P Datasheet 4 3 EEPROM Interface The SMSC Hub can be configured via a 2 wire 12 EEPROM 256x8 Please see Table 3 1 for specific details on how to enable configuration via EEPROM The Internal state machine will when configured for EEPROM support read the external EEPROM for configuration data The hub will then attach to the upstream USB host Note The Hub does not have the capacity to write or Program an external EEPROM The Hub only has the capability to read external EEPROMs The external eeprom will be read even if it is blank or non populated and the hub will be configured with the values that are read Please see Internal Register Set Common to EEPROM and SMBus for a list of data fields available 4 3 1 Internal Register Set Common to EEPROM and SMBus Table 4 2 Internal Default EEPROM and SMBus Register Memory Map SMBUS AND REG INTERNAL EEPROM POR ADDR R W REGISTER NAME ABBR DEFAULT ROM VALUES 00h R W VID LSB VIDL 24h 0x00 01h VID MSB VIDM 04h 0x00 02h R W PID LSB PIDL 14h 0x00 03h R W PID MSB PIDM 25h 0x00 04h R W DID LSB DID
10. 160 275 3 Ports HS HCH3 170 290 mA 4 Ports HS HCH4 175 305 mA Supply Current All supplies combined Configured Full Speed Host 1 Port 140 150 mA 2 Ports FCC2 140 150 mA 3 Ports FCC3 140 150 mA 4 Ports lecca 140 150 mA Supply Current 310 420 All supplies combined Suspend Supply Current 100 275 uA All supplies combined Reset Note 5 1 Output leakage is measured with the current pins in high impedance Note 5 2 See USB 2 0 Specification for USB DC electrical characteristics SMSC USB2514 45 DATASHEET Revision 1 98 11 19 07 USB 2 0 High Speed 4 Port Hub Controller P SMSE Datasheet CAPACITANCE Ty 25 C 1MHz Vpppi 1 8V Table 5 2 Pin Capacitance LIMITS PARAMETER SYMBOL MIN TYP MAX UNIT TEST CONDITION Clock Input CxTAL 2 pF All pins except USB pins and pins under Capacitance test tied to AC ground Input Capacitance Cin 10 pF Output Capacitance Cout 20 pF Revision 1 98 11 19 07 SMSC USB2514 46 DATASHEET USB 2 0 High Speed 4 Port Hub Controller P SMSC Datasheet Chapter 6 AC Specifications 6 1 Oscillator Clock Crystal Parallel Resonant Fundamental Mode 24 MHz 350ppm External Clock 50 Duty cycle 10 24 48 MHz 350ppm Jitter lt 100ps rms XTAL1 Csi C2 XTAL2 Cs2 Figure 6 1 Typical Crystal Circuit Note
11. 4 Slave Device Time Out According to the SMBus Specification V1 0 devices in a transfer can abort the transfer in progress and release the bus when any single clock low interval exceeds 25ms TtimeourT min Devices that have detected this condition must reset their communication and be able to receive a new START condition no later than 35ms TTIMEOUT Note Some simple devices not contain a clock low drive circuit this simple kind of device typically resets its communications port after a start or stop condition The Slave Device Time Out must be implemented 4 4 5 Stretching the SCLK Signal The Hub supports stretching of the SCLK by other devices on the SMBus The Hub does not stretch the SCLK 4 4 6 SMBus Timing The SMBus Slave Interface complies with the SMBus AC Timing Specification See the SMBus timing in the Timing Diagram section Revision 1 98 11 19 07 SMSC USB2514 36 DATASHEET USB 2 0 High Speed 4 Port Hub Controller Datasheet 4 4 7 4 4 8 4 4 8 1 4 4 8 2 4 5 4 6 SMSC USB2514 SMSC Bus Reset Sequence The SMBus Slave Interface resets and returns to the idle state upon a START field followed immediately by a STOP field SMBus Alert Response Address The SMBALERT signal is not supported by the Hub Undefined Registers The registers shown in Table 4 2 are the defined registers in the Hub Reads to undefined registers return Writes to undefined registe
12. Interface Behavior MISC XTAL1 33 45 ICLKx Crystal Input External Clock Input CLKIN 24MHz crystal or external clock input This pin connects to either one terminal of the crystal or to an external 24 48MHz clock when a crystal is not used Note 48MHz only available in 48 QFN XTAL2 32 44 OCLKx Crystal Output 24MHz Crystal This is the other terminal of the crystal or pulled high when an external clock source is used to drive XTAL1 CLKIN This output must not be used to drive any external circuitry other than the crystal circuit RESET N 26 34 IS RESET Input The system can reset the chip by driving this input low The minimum active low pulse is 1 us When the RESET pin is pulled to VDD33 the internal POR Power on Reset is enabled and no external reset circuitry is required The internal POR holds the internal logic in reset until the power supplies are stable SMSC USB2514 Revision 1 98 11 19 07 13 DATASHEET USB 2 0 High Speed 4 Port Hub Controller P Table 3 1 USB2514 Pin Descriptions continued Datasheet SYMBOL 36 QFN 48 QFN BUFFER TYPE DESCRIPTION SUSP_IND LOCAL_PWR NON_REMO 28 39 Active Suspend status LED Local Power amp Removable Strap Option Suspend Indicator Indicates USB state of the hub negated Unconfigured or configured and in USB Suspend asserted Hub is configured and is
13. a self powered hub This value includes the hub silicon along with the combined power consumption from VBUS of all associated circuitry on the board This value also includes the power consumption of a permanently attached peripheral if the hub is configured as a compound device and the embedded peripheral reports OmA in its descriptors Note The USB 2 0 Specification does not permit this value to exceed 100mA 4 3 1 14 Register Max Power For Bus Powered Operation BIT NUMBER BIT NAME DESCRIPTION 7 0 MAX_PWR_BP Max Power Bus_Powered Value in 2mA increments that the Hub consumes from an upstream port VBUS when operating as a bus powered hub This value includes the hub silicon along with the combined power consumption from VBUS of all associated circuitry on the board This value also includes the power consumption of a permanently attached peripheral if the hub is configured as a compound device and the embedded peripheral reports OmA in its descriptors 4 3 1 15 Register OEh Hub Controller Max Current For Self Powered Operation BIT NUMBER BIT NAME DESCRIPTION 7 0 5 Hub Controller Max Current Self Powered Value in 2mA increments that the Hub consumes from an upstream port VBUS when operating as a self powered hub This value includes the hub silicon along with the combined power consumption from VBUS of all associated circuitry on the board This value does NOT include the power consumption of a perm
14. from the external supply When a pin is configured with a Strap Low configuration the LED functions with active high signalling and the PAD will source the current to the external LED 37 Revision 1 98 11 19 07 DATASHEET USB 2 0 High Speed 4 Port Hub Controller P SMSE Datasheet Strap High LED Strap Low Figure 4 3 LED Strapping Option 4 7 Reset There are two different resets that the Hub experiences One is a hardware reset either from the internal POR reset circuit or via the RESET_N pin and the second is a USB Bus Reset 4 7 1 Internal POR Hardware Reset All reset timing parameters are guaranteed by design 4 7 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 operating range While reset is asserted the Hub and its associated external circuitry consumes less than 500 of current from the upstream USB power source Assertion of RESET_N external pin causes the following 1 All downstream ports are disabled and PRTPWR power to downstream devices is removed The PHYs are disabled and the differential pairs will be in a high impedance state All transactions immediately terminate no states are saved All internal registers return to the default state in most cases The external crystal oscillator is halted The PLL is halted Non Bom LED indicators are disabled The Hub
15. strap is enabled by package and configuration 1 1 settings see Table 3 2 this pin will be sampled at RESET N negation to determine if the port is disabled Both USB data pins for the corresponding port must be tied to the VDDA33 to disable the associated downstream port PRTPWR 4 1 20 27 O12 USB Power Enable 18 21 16 19 Enables power to USB peripheral devices downstream 12 15 The active signal level of the PRTPWR 4 1 pins is determined by the Power Polarity Strapping function of the PRTPWR POL pin SMSC USB2514 Revision 1 98 11 19 07 9 DATASHEET USB 2 0 High Speed 4 Port Hub Controller P SMSE Table 3 1 USB2514 Pin Descriptions continued Datasheet BUFFER SYMBOL 36 QFN 48 QFN TYPE DESCRIPTION LED_A 4 1 _N n a 13 1 012 Port LED Indicators amp Port Swap strapping option PRT_SWP 4 1 23 25 Indicator LED for ports 1 4 Will be active low when LED 37 support is enabled via EEPROM or SMBus If this strap is enabled by package and configuration settings see Table 3 2 this pin will be sampled at RESET_N negation to determine the electrical connection polarity of the downstream USB Port pins USB_DP and USB_DM Also the active state of the LED will be determined as follows 0 Port Polarity is normal and the LED is active high 1 Port Polarity for USB DP and USB DM is swapped and the LED is active low LED_B4_N n a 12 1 012 Enhanced Port 4 LED
16. to the Byte ordering or your selected programming tools 4 3 1 24 Register 54h 91h Product String BIT NUMBER BIT NAME DESCRIPTION 7 0 PRD STR Product String UNICODE UTF 16LE per USB 2 0 Specification Maximum string length is 31 characters 62 bytes Note The String consists of individual 16 Bit UNICODE UTF 16LE characters The Characters will be stored starting with the LSB at the least significant address and the MSB at the next 8 bit location subsequent characters must be stored in sequential contiguous address in the same LSB MSB manner Some EEPROM programmers may transpose the MSB and LSB thus reversing the Byte order Please pay careful attention to the Byte ordering or your selected programming tools Revision 1 98 11 19 07 28 SMSC USB2514 DATASHEET USB 2 0 High Speed 4 Port Hub Controller P SMSE Datasheet 4 3 1 25 Register 92h CFh Serial String BIT NUMBER BIT NAME DESCRIPTION 7 0 SER_STR Serial String UNICODE UTF16LE per USB 2 0 Specification Maximum string length is 31 characters 62 bytes Note The String consists of individual 16 Bit UNICODE UTF 16LE characters The Characters will be stored starting with the LSB at the least significant address and the MSB at the next 8 bit location subsequent characters must be stored in sequential contiguous address in the same LSB MSB manner Some EEPROM programmers may transpose the MSB and LSB thus reversing the Byte order Please pay
17. Data Byte 2 BIT NUMBER BIT NAME DESCRIPTION 7 DYNAMIC Dynamic Power Enable Controls the ability of the Hub to automatically change from Self Powered operation to Bus Powered operation if the local power source is removed or is unavailable and from Bus Powered to Self Powered if the local power source is restored Note If the local power source is available the Hub will always switch to Self Powered operation When Dynamic Power switching is enabled the Hub detects the availability of a local power source by monitoring the external LOCAL_PWR pin If the Hub detects a change in power source availability the Hub immediately disconnects and removes power from all downstream devices and disconnects the upstream port The Hub will then re attach to the upstream port as either a Bus Powered Hub if local power is unavailable or a Self Powered Hub if local power is available 0 No Dynamic auto switching 1 Dynamic Auto switching capable 6 Reserved Reserved 5 4 OC_TIMER OverCurrent Timer Over Current Timer delay 00 0 1ms 01 4ms 10 8ms 11 16ms 3 COMPOUND Compound Device Allows the OEM to indicate that the Hub is part of a compound see the USB Specification for definition device The applicable port s must also be defined as having a Non Removable Device Note When configured via strapping options declaring a port as non removable automatically causes the hub controller to report that i
18. L 00h 0x00 05h R W DID MSB DIDM 00h 0x00 06h R W Config Data Byte 1 CFG1 9Bh 0x00 07h R W Config Data Byte 2 CFG2 10h 0x00 08h R W Config Data Byte 3 CFG3 00h 0x00 09h RAN Non Removable Devices NRD 00h 0x00 OAh R W Port Disable Self PDS 00h 0x00 OBh R W Port Disable Bus PDB 00h 0x00 OCh R W Max Power Self MAXPS 01h 0x00 ODh R W Max Power Bus MAXPB 64h 0x00 OEh R W Hub Controller Max Current HCMCS 01h 0x00 Self OFh R W Hub Controller Max Current HCMCB 64h 0x00 Bus 10h R W Power on Time PWRT 32h 0x00 11h R W LANG_ID_H LANGIDH 00h 0x00 12h R W LANG_ID_L LANGIDL 00h 0x00 13h R W MFR_STR_LEN MFRSL 00h 0x00 14h R W PRD_STR_LEN PRDSL 00h 0x00 SMSC USB2514 Revision 1 98 11 19 07 19 DATASHEET P SMSE USB 2 0 High Speed 4 Port Hub Controller Datasheet Table 4 2 Internal Default EEPROM and SMBus Register Memory Map continued SMBUS AND REG INTERNAL EEPROM POR ADDR R W REGISTER NAME ABBR DEFAULT ROM VALUES 15h R W SER_STR_LEN SERSL 00h 0x00 16h 53h R W MFR_STR MANSTR 00h 0x00 54h 91h R W PROD_STR PRDSTR 00h 0x00 92h Cfh R W SER_STR SERSTR 00h 0x00 DOh F5h R W Reserved N A Oth 0x00 F6h R W Boost_Up BOOSTUP 00h 0x00 F7h R W Reserved N A 00h 0x00 F8h R W Boost_4 0 BOOST40 00h 0x00 F9h R W Reserved N A 00h 0x00 FAh R W Port Swap PRTSP 00h 0x00 FBh R W Port Remap 12 PRTR12 00h 0x00 FCh RAN Port Remap 34 PR
19. Logical Port 3 0100 Physical Port 2 is mapped to Logical Port 4 0101 Illegal Do Not Use to 1111 Bit 3 0 0000 Physical Port 1 is Disabled 0001 Physical Port 1 is mapped to Logical Port 1 0010 Physical Port 1 is mapped to Logical Port 2 0011 Physical Port 1 is mapped to Logical Port 3 0100 Physical Port 1 is mapped to Logical Port 4 0101 Illegal Do Not Use to 1111 4 3 1 30 Register Port Remap 34 BIT NUMBER BIT NAME DESCRIPTION Revision 1 98 11 19 07 SMSC USB2514 32 DATASHEET USB 2 0 High Speed 4 Port Hub Controller Datasheet P SMSE 7 0 PRTR34 Port remap register for ports 3 amp 4 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 up to the number of ports that the hub reported having The host s port number is referred to as Logical Port Number and the physical port on the hub is the Physical Port Number When remapping mode is enabled see PRTMAP EN in Register 08h Configuration Data Byte 3 the hub s downstream port numbers can be remapped to different logical port numbers assigned by the host Note The OEM must ensure that Contiguous Logical Port Numbers ar
20. SABLE EOP Disable Disables EOP generation of EOF1 when in Full Speed mode During FS operation only this permits the Hub to send EOP if no downstream traffic is detected at EOF1 See Section 11 3 1 of the USB 2 0 Specification for additional details Note generation of an EOP at the EOF1 point may prevent a Host controller operating in FS mode from placing the USB bus in suspend 0 EOP generation is normal 1 EOP generation is disabled 2 1 CURRENT_SNS Revision 1 98 11 19 07 Over Current Sense Selects current sensing on a port by port basis all ports ganged or none only for bus powered hubs The ability to support current sensing on a port or ganged basis is hardware implementation dependent 00 Ganged sensing all ports together 01 Individual port by port 1x Over current sensing not supported must only be used with Bus Powered configurations 22 SMSC USB2514 DATASHEET USB 2 0 High Speed 4 Port Hub Controller SMSC Datasheet BIT NUMBER BIT NAME DESCRIPTION 0 PORT_PWR 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 0 Ganged switching all ports together 1 Individual port by port switching 4 3 1 8 Register 07h Configuration
21. TR34 00h 0x00 FDh FEh R W Reserved N A 00h 0x00 FFh R W Status Command STCD 00h 0x00 Note SMBus register only 4 3 1 1 Register 00h Vendor ID LSB BIT NUMBER BIT NAME DESCRIPTION 7 0 VID_LSB Least 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 4 3 1 2 Register 01h Vendor ID MSB BIT NUMBER BIT NAME DESCRIPTION 7 0 VID_MSB Most Significant Byte of the Vendor ID This is a 16 bit value that uniquely options 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 Revision 1 98 11 19 07 20 DATASHEET SMSC USB2514 USB 2 0 High Speed 4 Port Hub Controller P Datasheet 4 3 1 3 Register 02h Product ID LSB BIT NUMBER BIT NAME DESCRIPTION 7 0 PID_LSB Least Significant Byte of the Product ID This is a 16 bit value that the Vendor can assign that uniquely identifies this particular product assigned by OEM This field is set by the OEM using either the SMBus or EEPROM interface options 4 3 1 4 Register 03h Product ID MSB BIT NUMBER BIT NAME DESCRIPTION 7 0 PID_MSB Most Significant Byte of the Product ID This is a 16 bit value that the Vendor can assign that
22. Y SIDE VIEW FULL RADIUS IS OPTIONAL RECOMMENDED PCB LAND PATTERN A as w TERMINAL 1 IDENTIFIER AREA 48 1 EXPOSED PAD A BOTTOM VIEW 3 D VIEWS OVERALL PACKAGE HEIGHT STANDOFF A2 0 90 MOLD CAP THICKNESS D E 6 85 7 15 X Y BODY SIZE D1 E1 6 55 6 95 X Y MOLD CAP SIZE D2 E2 4 00 4 20 X Y EXPOSED PAD SIZE L 0 30 0 50 TERMINAL LENGTH b 0 18 0 30 TERMINAL WIDTH e 0 50 BSC TERMINAL PITCH NOTES 1 ALL DIMENSIONS ARE IN MILLIMETER 2 POSITION TOLERANCE OF EACH TERMINAL AND EXPOSED PAD IS 0 05mm AT MAXIMUM MATERIAL CONDITION DIMENSIONS b APPLIES TO PLATED TERMINALS AND IT IS MEASURED BETWEEN 0 15 AND 0 30 mm FROM THE TERMINAL TIP 3 DETAILS OF TERMINAL 1 IDENTIFIER ARE OPTIONAL BUT MUST BE LOCATED WITHIN THE AREA INDICATED Figure 7 2 48 Pin QFN 7x7mm Body 0 5mm Pitch 49 Revision 1 98 11 19 07 DATASHEET SMSC USB2514
23. active i e not in suspend Local Power Detects availability of local self power source Low Self local power source is NOT available i e Hub gets all power from Upstream USB VBus High Self local power source is available NON REMO Strap Option If this strap is enabled by package and configuration settings see Table 3 2 this pin will be sampled in conjunction with NON 1 at RESET N negation to determine if ports 4 1 contain permanently attached non removable devices Also the active state of the LED will be determined as follows NON RENM 1 0 00 All ports are removable and the LED is active high NON RENM 1 0 01 Port 1 is nonremovable and the LED is active low NON 10 Ports 1 amp 2 are non removable and the LED is active high NON REWM 1 0 11 Ports 1 2 amp 3 are non removable and the LED is active low TEST 11 14 IPD TEST pin XNOR continuity tests all signal pins on the hub please contact your SMSC representative for a detailed description of how this test mode is enabled and utilized SEL48 n a 40 Select 48 MHz clock input 48MHz external clock input select When the hub is clocked from an external clock source this pin selects either 24MHz or 48MHz mode 0 24MHz 1 48MHz REG_EN n a 11 IPU Regulator Enable REG_EN This pin is internally pulled up to enable
24. and must be configured in order to correctly function when attached to a USB host controller There are three principal ways to configure the hub SMBus EEPROM or by internal default settings with or without pin strapping option over rides In all cases the configuration method will be determined by the CFG_SEL2 CFG_SEL1 and CFG_SELO pins immediately after RESET_N negation Power Switching Polarity The selection of active state polarity for the PRTPWR pins is made by a strapping option only the PRTPWR_POL pin Note If PRTPWR_POL is not an available pin on the package the hub will support active high power controllers only VBus Detect According to Section 7 2 1 of the USB 2 0 Specification a downstream port can never provide power to its D or D pull up resistors unless the upstream port s VBUS is in the asserted powered state The VBUS_DET pin on the Hub monitors the state of the upstream VBUS signal and will not pull up the D resistor if VBUS is not active If VBUS goes from an active to an inactive state Not Powered Hub will remove power from the D pull up resistor within 10 seconds 36 QFN and 48 QFN Feature Differences Table 4 1 36 QFN and 48 QFN Feature Differences 36 QFN 48 QFN FEATURE N A Available 48MHz clock input mode N A Available External 1 8V regulators N A Available Port LED Indicators N A Available Port Swap Strapping Options Available Available
25. anently attached peripheral if the hub is configured as a compound device Note The USB 2 0 Specification does not permit this value to exceed 100mA A value of 50 decimal indicates 100mA which is the default value Revision 1 98 11 19 07 26 SMSC USB2514 DATASHEET USB 2 0 High Speed 4 Port Hub Controller e m S r Datasheet 4 3 1 16 Register OFh Hub Controller Max Current For Bus Powered Operation BIT NUMBER BIT NAME DESCRIPTION 7 0 Hub Controller Max Current Bus Powered Value 2mA increments that the Hub consumes from an upstream port VBUS when operating as a bus powered hub This value will include the hub silicon along with the combined power consumption from 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 4 3 1 17 Register 10h Power On Time BIT NUMBER BIT NAME DESCRIPTION 7 0 POWER ON TIME Power On Time The length of time that it takes 2 ms intervals from the time the host initiated power on sequence begins on a port until power is good on that port 4 3 1 18 Register 11h Language ID High BIT NUMBER BIT NAME DESCRIPTION 7 0 LANG_ID_H USB LANGUAGE ID Upper 8 bits of a 16 bit ID field 4 3 1 19 R
26. as been checked and is believed to be accurate no responsibility is assumed for inaccuracies SMSC reserves the right to make changes to specifications and product descriptions at any time without notice Contact your local SMSC sales office to obtain the latest specifications before placing your product order The provision of this information does not convey to the purchaser of the described semiconductor devices any licenses under any patent rights or other intellectual property rights of SMSC or others All sales are expressly conditional on your agreement to the terms and conditions of the most recently dated version of SMSC s standard Terms of Sale Agreement dated before the date of your order the Terms of Sale Agreement The product may contain design defects or errors known as anomalies which may cause the product s functions to deviate from published specifications Anomaly sheets are available upon request SMSC products are not designed intended authorized or warranted for use in any life support or other application where product failure could cause or contribute to personal injury or severe property damage Any and all such uses without prior written approval of an Officer of SMSC and further testing and or modification will be fully at the risk of the customer Copies of this document or other SMSC literature as well as the Terms of Sale Agreement may be obtained by visiting SMSC s website at http www smsc com SMSC is a registered trademark
27. ave to Master 1 7 1 1 8 1 s Save adaress wr Register adaress_ 8 1 8 1 8 1 8 1 1 Block Write Figure 4 1 Block Write SMSC USB2514 Revision 1 98 11 19 07 35 DATASHEET USB 2 0 High Speed 4 Port Hub Controller P Block Read Datasheet A Block Read differs from a block write in that the repeated start condition exists to satisfy the 12C specification s requirement for a change in the transfer direction 1 7 1 1 8 1 1 7 1 1 s Steve Adaross wr A Save address ra TAT 8 1 8 1 8 1 8 1 1 Byte Count N Data byte 1 Data byte 2 Data byte AJP Block Read Figure 4 2 Block Read 4 4 2 Invalid Protocol Response Behavior Registers that are accessed with an invalid protocol are not updated A register is only updated following a valid protocol The only valid protocols are Write Block and Read Block which are described above The Hub only responds to the hardware selected Slave Address Attempting to communicate with the Hub over SMBus with an invalid slave address or invalid protocol results in no response and the SMBus Slave Interface returns to the idle state The only valid registers that are accessible by the SMBus slave address are the registers defined in the Registers Section See Section 4 4 3 for the response to undefined registers 4 4 3 General Call Address Response The Hub does not respond to a general call address of 0000_000b 4 4
28. c in order to assure proper operation 12 EEPROM Slave Address Slave address is 1010000 Note 10 bit addressing is NOT supported In Circuit EEPROM Programming The EEPROM can be programmed via ATE by pulling RESET N low which tri states the Hub s EEPROM interface and allows an external source to program the EEPROM 34 SMSC USB2514 DATASHEET USB 2 0 High Speed 4 Port Hub Controller SMSC Datasheet 4 4 SMBus Slave Interface Instead of loading User Defined Descriptor data from an external EEPROM the SMSC Hub can be configured to receive a code load from an external processor via an SMBus interface The SMBus interface shares the same pins as the EEPROM interface if CFG_SEL1 amp CFG_SELO activates the SMBus interface external EEPROM support is no longer available and the user defined descriptor data must be downloaded via the SMBus Due to system issues the SMSC Hub waits indefinitely for the SMBus code load to complete and only appears as a newly connected device on USB after the code load is complete The Hub s SMBus implementation is a subset of the SMBus interface to the host The device is a slave only SMBus device The implementation in the device is a subset of SMBus since it only supports two protocols The Write Block and Read Block protocols are the only valid SMBus protocols for the Hub The Hub responds to other protocols as described in Section 4 4 2 Invalid Protocol Response Behavior on pag
29. careful attention to the Byte ordering or your selected programming tools 4 3 1 26 Register F6h Boost Up BIT NUMBER BIT NAME DESCRIPTION 7 2 Reserved Reserved 1 0 BOOST_IOUT Upstream USB electrical signaling drive strength Boost Bit for Upstream Port 00 Normal electrical drive strength No boost 01 Elevated electrical drive strength Low approximately 4 boost 0 Elevated electrical drive strength Medium approximately 8 boost 1 Elevated electrical drive strength High approximately 12 boost Note Boost could result in non USB Compliant parameters one example would be Test J K levels the OEM should use a 00 value unless specific implementation issues require additional signal boosting to correct for degraded USB signalling levels SMSC USB2514 Revision 1 98 11 19 07 29 DATASHEET P SMSE USB 2 0 High Speed 4 Port Hub Controller Datasheet 4 3 1 27 Register F8h Boost_4 0 BIT NUMBER BIT NAME DESCRIPTION 7 6 BOOST_IOUT_4 Upstream USB electrical signaling drive strength Boost Bit for Downstream Port 4 00 Normal electrical drive strength No boost 01 Elevated electrical drive strength Low approximately 4 boost 0 Elevated electrical drive strength Medium approximately 8 boost 41 Elevated electrical drive strength High approximately 12 boost Note Boost could result in non USB Complian
30. e i 1 i 1 SIDE VIEW 3 D VIEW 0 80 100 _ OVERALL PACKAGE HEIGHT A A1 0 02 0 05 STANDOFF 2 0 60 0 80 MOLD CAP THICKNESS G Z FULL RADIUS IS OPTIONAL A3 0 20 REF LEADFRAME THICKNESS aa D E 5 85 6 00 6 15 X Y BODY SIZE GE B 0857 D1 E1 5 55 5 95 X Y MOLD CAP SIZE D2 E2 3 55 3 70 3 85 2 X Y EXPOSED PAD SIZE L 0 50 0 60 0 75 TERMINAL LENGTH b 0 18 0 25 0 30 2 TERMINAL WIDTH 0 50 BSC TERMINAL PITCH NOTES THE USER MAY MODIFY THE PCB x 0 28 1 ALL DIMENSIONS ARE IN MILLIMETERS LAND PATTERN DIMENSIONS 0 90 2 POSITION TOLERANCE OF EACH TERMINAL AND EXPOSED PAD IS 0 05mm BASED ON THEIR EXPERIENCE AT MAXIMUM MATERIAL CONDITION DIMENSIONS b APPLIES TO PLATED e 0 50 TERMINALS AND IT IS MEASURED BETWEEN 0 15 AND 0 30 mm FROM THE AND OR PROCESS CAPABILITY LII 3 DETAILS OF TERMINAL 1 IDENTIFIER ARE OPTIONAL BUT MUST BE LOCATED WITHIN THE AREA INDICATED RECOMMENDED PCB LAND PATTERN 4 COPLANARITY ZONE APPLIES TO EXPOSED PAD AND TERMINALS Figure 7 1 36 Pin QFN 6x6mm Body 0 5mm Pitch Revision 1 98 11 19 07 48 DATASHEET SMSC USB2514 USB 2 0 High Speed 4 Port Hub Controller Datasheet lt ax 45 K0 6MAX OPTIONAL TERMINAL 1 IDENTIFIER AREA 4 TOP VIEW t po ma DU THE USER MAY MODIFY THE PCB LAND PATTERN DIMENSIONS BASED ON THEIR EXPERIENCE AND OR PROCESS CAPABILIT
31. e used starting from 1 up to the maximum number of enabled ports this ensures that the hub s ports are numbered in accordance with the way a Host will communicate with the ports Table 4 4 Port Remap Register for Ports 3 amp 4 Bit 7 4 0000 Physical Port 4 is Disabled 0001 Physical Port 4 is mapped to Logical Port 1 0010 Physical Port 4 is mapped to Logical Port 2 0011 Physical Port 4 is mapped to Logical Port 3 0100 Physical Port 4 is mapped to Logical Port 4 0101 Illegal Do Not Use to 1111 Bit 3 0 0000 Physical Port 3 is Disabled 0001 Physical Port 3 is mapped to Logical Port 1 0010 Physical Port 3 is mapped to Logical Port 2 0011 Physical Port 3 is mapped to Logical Port 3 0100 Physical Port 3 is mapped to Logical Port 4 0101 Illegal Do Not Use to 1111 SMSC USB2514 Revision 1 98 11 19 07 33 DATASHEET P SMSE 4 3 1 31 USB 2 0 High Speed 4 Port Hub Controller Datasheet Register FFh Status Command BIT NUMBER BIT NAME DESCRIPTION 7 3 Reserved Reserved 2 INTF_PW_DN SMBus Interface Power Down nterface is active l 1 Interface power down after ACK has completed RESET Reset the SMBus Interface and internal memory back to RESET_N assertion default settings 0 Normal State T Force a re
32. e 36 Reference the System Management Bus Specification Rev 1 0 The SMBus interface is used to read and write the registers in the device The register set is shown in Section 4 3 1 Internal Register Set Common to EEPROM and SMBus page 19 4 4 1 Bus Protocols Typical Write Block and Read Block protocols are shown below Register accesses are performed using 7 bit slave addressing an 8 bit register address field and an 8 bit data field The shading indicates the Hub driving data on the SMBDATA line otherwise host data is on the SDA SMBDATA line The slave address is the unique SMBus Interface Address for the Hub that identifies it on SMBus The register address field is the internal address of the register to be accessed The register data field is the data that the host is attempting to write to the register or the contents of the register that the host is attempting to read Note Data bytes are transferred MSB first msb first 4 4 1 1 Block Read Write The Block Write begins with a slave address and a write condition After the command code the host issues a byte count which describes how many more bytes will follow in the message If a slave had 20 bytes to send the first byte would be the number 20 14h followed by the 20 bytes of data The byte count may not be 0 A Block Read or Write is allowed to transfer a maximum of 32 data bytes Note For the following SMBus tables C Denotes Master to Slave C Denotes Sl
33. e de eed ead dass 7 USB2514 Block Diagram 2 2 0 8 Block DITS 35 Block Bead cud d radice erac ate ete A Eee cee ee ed 36 LED Strapping Option oie ERE ea x bi eR Velde ed Ra ern 38 Reset Timing for Default Strap Option 39 Reset Timing for EEPROM 40 Reset N Timing for SMBus 41 Typical Crystal CirCUlt zi serae p ode ena ae E DES ER 47 Formula to find value of C1 and 2 tees 47 36 Pin QFN 6x6mm Body 0 5mm 48 48 Pin QFN 7x7mm Body 0 5mm Pitch 1 0 0 0 0 00 cee ees 49 4 SMSC USB2514 DATASHEET USB 2 0 High Speed 4 Port Hub Controller Datasheet List of Tables Table 3 1 USB2514 Pin Descriptions 2 0 00 aaa ct 9 Table 3 2 SMBus or EEPROM Interface Behavior cece eee eee 15 Table 3 3 USB2514 Power Ground No ccc eee nes 16 Table 3 4 USB2514 Buffer Type lt 16 Table 4 1 36 QFN and 48 QFN Feature 18 Table 4 2 Internal Default EEPROM and SMBus Register Memory 19 Table 4 3 Port Remap Register
34. ecified parameters could cause permanent damage to the device This is a stress rating only and functional operation of the device at any condition above those indicated in the operation sections of this specification is not implied When powering this device from laboratory or system power supplies it is important that the Absolute Maximum Ratings not be exceeded or device failure can result Some power supplies exhibit voltage spikes on their outputs when the AC power is switched on or off In addition voltage transients on the AC power line may appear on the DC output When this possibility exists it is suggested that a clamp circuit be used 5 2 Recommended Operating Conditions PARAMETER SYMBOL MIN MAX UNITS COMMENTS Operating TA 0 70 C Temperature 1 8V supply voltage VppaigPLe 1 62 1 98 V VDD18 3 3V supply voltage Vppa33 3 0 3 6 V VDDA33PLL DD33 VDD33CR Voltage on any I O pin 0 3 5 5 V If any 3 3V supply voltage drops below 3 becomes 0V then the MAX 3 3V supply voltage 0 5 SMSC USB2514 43 DATASHEET Revision 1 98 11 19 07 P SMSE USB 2 0 High Speed 4 Port Hub Controller Datasheet PARAMETER SYMBOL MIN MAX UNITS COMMENTS Voltage on XTAL1 0 3 Vppa33 V Voltage on XTAL2 0 3 Vpp18 V Table 5 1 DC Electrical Characteristics PARAMETER SYMBOL MIN TYP MAX UNITS COMMENTS 1 IS Type Input Buffer Low Input Le
35. egister 12h Language ID Low BIT NUMBER BIT NAME DESCRIPTION 7 0 LANG_ID_L USB LANGUAGE ID Lower 8 bits of a 16 bit ID field 4 3 1 20 Register 13h Manufacturer String Length BIT NUMBER BIT NAME DESCRIPTION 7 0 MFR_STR_LEN Manufacturer String Length Maximum string length is 31 characters SMSC USB2514 Revision 1 98 11 19 07 27 DATASHEET P SMSE USB 2 0 High Speed 4 Port Hub Controller Datasheet 4 3 1 21 Register 14h Product String Length BIT NUMBER BIT NAME DESCRIPTION 7 0 PRD_STR_LEN Product String Length Maximum string length is 31 characters 4 3 1 22 Register 15h Serial String Length BIT NUMBER BIT NAME DESCRIPTION 7 0 SER_STR_LEN Serial String Length Maximum string length is 31 characters 4 3 1 23 Register 16h 53h Manufacturer String BIT NUMBER BIT NAME DESCRIPTION 7 0 MFR_STR Manufacturer String UNICODE UTF 16LE per USB 2 0 Specification Maximum string length is 31 characters 62 bytes Note The String consists of individual 16 Bit UNICODE UTF 16LE characters The Characters will be stored starting with the LSB at the least significant address and the MSB at the next 8 bit location subsequent characters must be stored in sequential contiguous address in the same LSB MSB manner Some EEPROM programmers may transpose the MSB and LSB thus reversing the Byte order Please pay careful attention
36. els 1 0 BOOST IOUT 1 Upstream USB electrical signaling drive strength Boost Bit for Downstream Port 1 00 Normal electrical drive strength No boost 01 Elevated electrical drive strength Low approximately 4 boost 10 Elevated electrical drive strength Medium approximately 8 boost 41 Elevated electrical drive strength High approximately 12 boost Note Boost could result in non USB Compliant parameters one example would be Test J K levels the OEM should use a 00 value unless specific implementation issues require additional signal boosting to correct for degraded USB signalling levels Revision 1 98 11 19 07 30 SMSC USB2514 DATASHEET USB 2 0 High Speed 4 Port Hub Controller P SMSC Datasheet 4 3 1 28 Register FAh Port Swap BIT NUMBER BIT NAME DESCRIPTION 7 0 PRTSP Port Swap Swaps the Upstream and Downstream USB DP and DM Pins for ease of board routing to devices and connectors 0 USB D functionality is associated with the DP pin and D functionality is associated with the DM pin 1 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 1 Port 4 DP DM is Swapped Bit 3 1 Port 3 DP DM is Swapped 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 Swa
37. en at the high voltage level The terms assertion and negation are used exclusively This is done to avoid confusion when working with a mixture of active low and active high signals The term assert or assertion indicates that a signal is active independent of whether that level is represented by a high or low voltage The term negate or negation indicates that a signal is inactive Table 3 1 USB2514 Pin Descriptions BUFFER SYMBOL 36 QFN 48 QFN TYPE DESCRIPTION UPSTREAM USB INTERFACES USBUP_DP 31 43 IO U USB Bus Data USBUP DM 30 42 These pins connect to the upstream USB bus data signals Host port or upstream hub VBUS DET 27 35 1 012 Detect Upstream VBUS Power Detects state of Upstream VBUS power The SMSC Hub monitors VBUS_DET to determine when to assert the internal D pull up resistor signaling a connect event When designing a detachable hub this pin must be connected to the VBUS power pin of the USB port that is upstream of the hub For self powered applications with a permanently attached host this pin must be connected to 3 3V typically VDD33 DOWNSTREAM 4 PORT USB 2 0 INTERFACE USBDN DP 4 1 9 9 10 0 High Speed USB Data amp Port Disable Strap Option PRT DIS P 4 1 7 7 4 4 These pins connect to the downstream USB peripheral amp 2 2 devices attached to the hub s port USBDN DN 4 1 8 8 Downstream Port Disable Strap option PRT DIS M 4 1 6 6 3 3 If this
38. for Ports 1 amp 2 32 Table 4 4 Port Remap Register for Ports 3 amp 4 33 Table 4 5 Reset Timing for Default Strap Option Mode 39 Table 4 6 Reset N Timing for EEPROM 40 Table 4 7 Reset N Timing for SMBus anaana aaae 41 Table 5 1 DC Electrical Characteristics eens 44 Table 5 2 Pin Capacitance caaaeaee 46 SMSC USB2514 Revision 1 98 11 19 07 5 DATASHEET USB 2 0 High Speed 4 Port Hub Controller smsc MN Chapter 1 Pin Configuration E o T 2 lt o X lt L O uz m a c gt 2 56 2 2 530 gt gt ER mm mm mm mm mm m 27 SUSP_IND LOCAL_PWR NON_REMO PRTPWR3 VDDA33 OCS2 N USBUP DM PRTPWR2 USBUP_DP 75 SMSC VDD33CR XTAL2 USB2514 1 XTAL1 CLKIN 75 View QFN 36 OCS1_N VDD18PLL PRTPWRI Thermal Slug RBIAS must be connected to VSS CL TEST VDD33PLL VDDA33 VDDA33 USBDN3_DM PRT_DOS_M3 USBDN2_DM PRT_DIS_M2 USBDN4_DM PRT_DIS_M4 USBDN4_DP PRT_DIS_P4 USBDN1_DP PRT_DIS_P1 USBDN2_DP PRT_DIS_P2 USBDN3_DP PRT_DIS_P3 USBDN1_DM PRT_DIS_M1 Indicates pins on the bott
39. ill be determined as follows See for BOOST values Section 4 3 1 26 Register F6h Boost_Up and Section 4 3 1 27 Register F8h Boost_4 0 BOOSTT 1 0 BOOST OUTT 1 0 BOOSTT 1 0 00 LED B2 N is active high LED B1 N is active high BOOST 1 0 01 LED_B2_N is active high LED_B1_N is active low BOOST 1 0 10 LED B2 N is active low LED B1 N is active high BOOST 1 0 11 LED B2 N is active low LED B1 N is active low PRTPWR POL n a 38 IPU Port Power Polarity strapping Port Power Polarity strapping determination for the active signal polarity of the 4 1 PRTPWR pins While RESET N is asserted the logic state of this pin will through the use of internal combinatorial logic determine the active state of the 4 1 PRTPWR pins order to ensure that downstream port power is not inadvertently enabled to inactive ports during a hardware reset When RESET N is negated the logic value will be latched internally and will retain the active signal polarity for the PRTPWR 4 1 pins 1 PRTPWR 4 1 P N pins have an active high polarity 0 PRTPWR 4 1 P N pins have an active low polarity Warning Active Low port power controllers may glitch the downstream port power when system power is first applied Care should be taken when designing with active low components Note If PRTPWR POL is not an available pin on the package the hub will s
40. is operational 500us after RESET is negated Once operational the Hub immediately reads OEM specific data from the external EEPROM if the SMBus option is not disabled Revision 1 98 11 19 07 SMSC USB2514 38 DATASHEET USB 2 0 High Speed 4 Port Hub Controller P SMSC Datasheet 4 7 2 1 RESET_N for Strapping Option Configuration Drive Strap Start H A h aroware Read Strap Outputs to tac USB Reset completion reset USB Idle aad Options inactive recovery request asse i s levels S bw RN 1 1 1 ple t5 LI pae t6 14 18 ME La 14 l T 1 vss AR FEM 1 i 41 14 s I H 1 1 Strap Pins 1 Don t Care VSS e Figure 4 4 Reset N Timing for Default Strap Option Mode Table 4 5 Reset_N Timing for Default Strap Option Mode NAME DESCRIPTION MIN TYP MAX UNITS 11 RESET_N Asserted 1 usec t2 Strap Setup Time 16 7 nsec t3 Strap Hold Time 16 7 1400 nsec t4 hub outputs driven to inactive logic states 1 5 2 usec t5 USB Attach See Note 100 msec t6 Host acknowledges attach and signals USB 100 msec Reset t7 USB Idle undefined msec t8 Completion time for requests with or wi
41. nally available downstream port must consume no more than 500mA of upstream VBUS current The current consumption is system dependent and the OEM must ensure that the USB 2 0 specifications are not violated When configured as a Self Powered device 1mA of upstream VBUS current is consumed and all ports are available with each port being capable of sourcing 500mA of current This field is set by the OEM using either the SMBus or EEPROM interface options Please see the description under Dynamic Power for the self bus power functionality when dynamic power switching is enabled 0 Bus Powered operation 1 Self Powered operation Note If Dynamic Power Switching is enabled this bit is ignored and the LOCAL pin is used to determine if the hub is operating from self or bus power Reserved Reserved HS DISABLE MTT ENABLE High Speed Disable Disables the capability to attach as either a High Full speed device and forces attachment as Full speed only i e no High Speed support 0 High Full Speed 1 Full Speed Only High Speed disabled Multi TT enable Enables one transaction translator per port operation Selects between a mode where only one transaction translator is available for all ports Single TT or each port gets a dedicated transaction translator Multi TT Note The host may force Single TT mode only 0 single TT for all ports 1 per port multiple TT s supported EOP_DI
42. of Standard Microsystems Corporation SMSC Product names and company names are the trademarks of their respective holders SMSC DISCLAIMS AND EXCLUDES ANY AND ALL WARRANTIES INCLUDING WITHOUT LIMITATION ANY AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE TITLE AND AGAINST INFRINGEMENT AND THE LIKE AND ANY AND ALL WARRANTIES ARISING FROM ANY COURSE OF DEALING OR USAGE OF TRADE IN NO EVENT SHALL SMSC BE LIABLE FOR ANY DIRECT INCIDENTAL INDIRECT SPECIAL PUNITIVE OR CONSEQUENTIAL DAMAGES OR FOR LOST DATA PROFITS SAVINGS OR REVENUES OF ANY KIND REGARDLESS OF THE FORM OF ACTION WHETHER BASED ON CONTRACT TORT NEGLIGENCE OF SMSC OR OTHERS STRICT LIABILITY BREACH OF WARRANTY OR OTHERWISE WHETHER OR NOT ANY REMEDY OF BUYER IS HELD TO HAVE FAILED OF ITS ESSENTIAL PURPOSE AND WHETHER OR NOT SMSC HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES Revision 1 98 11 19 07 SMSC USB2514 2 DATASHEET USB 2 0 High Speed 4 Port Hub Controller Datasheet Table of Contents Chapter 1 Pin Configuration 6 Chapter 2 Block 5 8 Chapter 3 Pin 9 3 1 PIN RR me 9 3 2 Buffer Type Descriptions eee eee 16 Chapter 4 Configuration
43. om of the device 1 1 1 e Figure 1 1 USB2514 36 Pin QFN Revision 1 98 11 19 07 SMSC USB2514 6 DATASHEET USB 2 0 High Speed 4 Port Hub Controller SMSC Thermal Slug RBIAS must be connected to VSS VDD33PLL Datasheet E m e DE z 8 f lt tc 8 oS amp e modd 4 9 OQ 22208 aog 5 lt Roa Jo gt wr orn gt oon on LED A1 NIPRT SWP1 87 24 B2 N BOOST PRTPWR POL i 23 SWP3 SUSP IND LOCAL PWR NON REMO 22 N GANG EN SEL48 21 CT PRTPWR3 VDDA33 SMSC i 20 gjj ocs2 N USBUP_DM 19 g PRTPWR2 USBUP_DP USB2514 i CT VDD33CR Top View QFN 48 E I XTAL2 17 f VDD18 XTAL1 CLKIN i 16 VDD18PLL 15 CT PRTPWRt J TEST J LED_A4_N PRT_SWP4 Noto 0 Oo VDDA33 USBDN3_DM PRT_DIS_M3 USBDN4_DM PRT_DIS_M4 VDDA33 USBDN1_DP PRT_DIS_P1 USBDN2_DP PRT_DIS_P2 USBDN3_DP PRT_DIS_P3 USBDN4_DP PRT_DIS_P4 LED_B4_N REG_EN N e a He tr 2 5 N 2 a m 5 USBDN1_DM PRT_DIS_M1 Indicates pins on the bottom of the device Figure 1 2 USB2514 48 Pin QFN SMSC USB2514 Revision 1 98 11 19 07 7 DATASHEET P SMSE Chapter 2 Block Diagram To Upstream Upstream USB 24 MHz Crystal Vaus Data 3 3V um 1 8V Bus Power
44. pped 4 3 1 29 Register FBh Port Remap 12 BIT NUMBER BIT NAME DESCRIPTION SMSC USB2514 Revision 1 98 11 19 07 31 DATASHEET USB 2 0 High Speed 4 Port Hub Controller P SMSE Datasheet 7 0 PRTR12 Port remap register for ports 1 amp 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 up to the number of ports that the hub reported having The host s port number is referred to as Logical Port Number and the physical port on the hub is the Physical Port Number When remapping mode is enabled see PRTMAP EN in Register 08h Configuration Data Byte 3 the hub s downstream port numbers can be remapped to different logical port numbers assigned by the host Note The OEM must ensure that Contiguous Logical Port Numbers are used starting from 1 up to the maximum number of enabled ports this ensures that the hub s ports are numbered in accordance with the way a Host will communicate with the ports Table 4 3 Port Remap Register for Ports 1 amp 2 Bit 7 4 0000 Physical Port 2 is Disabled 0001 Physical Port 2 is mapped to Logical Port 1 0010 Physical Port 2 is mapped to Logical Port 2 0011 Physical Port 2 is mapped to
45. quired for the hub controller Supports Custom String Descriptor up to 31 characters in length for Product String Manufacturer String Serial Number String Pin Selectable Options for Default Configuration Select Downstream Ports as Non Removable Ports Select Downstream Ports as Disabled Ports Select Downstream Port Power Control and Over Current Detection on a Ganged or Individual Basis Select Downstream Port Power Control Polarity Select USB Signal Drive Strength Select USB Differential Pair Pin location Select on chip or off chip voltage regulator mode Applications DATASHEET LCD monitors and TVs Multi function USB peripherals PC mother boards Set top boxes DVD players DVR PVR Printers and scanners PC media drive bay Portable hub boxes Mobile PC docking Embedded systems Revision 1 98 11 19 07 USB 2 0 High Speed 4 Port Hub Controller Datasheet ORDER NUMBERS USB2514 AEZG FOR 36 PIN QFN LEAD FREE ROHS COMPLIANT PACKAGE USB2514 HZH FOR 48 PIN QFN LEAD FREE ROHS COMPLIANT PACKAGE eric 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 Although the information h
46. rs have no effect and do not return an error Reserved Registers Unless otherwise instructed only a 0 may be written to all reserved registers or bits Default Configuration Option The SMSC Hub can be configured via its internal default configuration please see Section 4 3 1 Internal Register Set Common to EEPROM and SMBus for specific details on how to enable default configuration Please refer to Table 4 2 for the internal default values that are loaded when this option is selected Default Strapping Options The USB2514 can be configured via a combination of internal default values and pin strap options Please see Table 3 1 and Table 3 2 for specific details on how to enable the default pin strap 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 amp registers that are not controlled by a strapping option pin Please refer to Table 4 2 for the internal default values that are loaded when this option is selected The Amber and Green LED pins are sampled after RESET_N negation and the logic values are used to configure the hub if the internal default configuration mode is selected The implementation shown below see Figure 4 3 shows a recommended passive scheme When a pin is configured with a Strap High configuration the LED functions with active low signalling and the PAD will sink the current
47. set of registers to their default state USB ATTACH 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 OOh FEh is write protected to prevent unintentional data corruption 4 3 2 4 3 2 1 4 3 2 2 4 3 2 3 4 3 3 Revision 1 98 11 19 07 12 EEPROM The EEPROM interface implements a subset of the 12 Master Specification Please refer to the Philips Semiconductor Standard I2C Bus Specification for details on I2C bus protocols The Hub s EEPROM interface is designed to attach to a single dedicated 12 EEPROM and it conforms to the Standard mode I2C Specification 100kbit s transfer rate and 7 bit addressing for protocol and electrical compatibility Note Extensions to the I2C Specification are not supported The Hub acts as the master and generates the serial clock SCL controls the bus access determines which device acts as the transmitter and which device acts as the receiver and generates the START and STOP conditions Implementation Characteristics The Hub will only access an EEPROM using the Sequential Read Protocol Pull Up Resistor The Circuit board designer is required to place external pull up resistors 10 recommended on the SDA SMBDATA amp SCL SMBCLK CFG SELO lines per SMBus 1 0 Specification and EEPROM manufacturer guidelines to Vc
48. t is part of a compound device 0 1 Yes Hub is part of a compound device 2 0 Reserved Reserved SMSC USB2514 Revision 1 98 11 19 07 23 DATASHEET P SMSE 4 3 1 9 USB 2 0 High Speed 4 Port Hub Controller Datasheet Register 08h Configuration Data Byte 3 BIT NUMBER BIT NAME DESCRIPTION 7 4 Reserved Reserved 3 PRTMAP_EN Port Re mapping enable Selects the method used by the hub to assign port numbers and disable ports 0 Standard Mode 1 Port Re map mode 2 1 LED MODE LED Mode Selection The LED A 4 1 N and LED B 4 1 N pins support several different modes of operation 00 USB Mode 01 Speed Indication Mode 10 Same as 00 USB Mode 11 Same as 00 USB Mode Warning Do not enable an LED mode that requires LED pins that are not available in the specific package being used in the implementation Note The Hub will only report that it supports LED s to the host when USB mode is selected All other modes will be reported as No LED Support STRING_EN Enables String Descriptor Support 0 String Support Disabled 1 String Support Enabled 4 3 1 10 Register 09h Non Removable Device BIT NUMBER BIT NAME DESCRIPTION 7 0 NR_DEVICE Non Removable Device Indicates which port s include non removable devices 0 port is removable
49. t parameters one example would be Test J K levels the OEM should use a 00 value unless specific implementation issues require additional signal boosting to correct for degraded USB signalling levels 5 4 BOOST IOUT 3 Upstream USB electrical signaling drive strength Boost Bit for Downstream Port 3 00 Normal electrical drive strength No boost 01 Elevated electrical drive strength Low approximately 4 boost 10 Elevated electrical drive strength Medium approximately 8 boost 41 Elevated electrical drive strength High approximately 12 boost Note Boost could result in non USB Compliant parameters one example would be Test J K levels the OEM should use a 00 value unless specific implementation issues require additional signal boosting to correct for degraded USB signalling levels 3 2 BOOST IOUT 2 Upstream USB electrical signaling drive strength Boost Bit for Downstream Port 2 00 Normal electrical drive strength No boost 01 Elevated electrical drive strength Low approximately 4 boost 10 Elevated electrical drive strength Medium approximately 8 boost 1 Elevated electrical drive strength High approximately 12 boost Note Boost could result in non USB Compliant parameters one example would be Test J K levels the OEM should use a 00 value unless specific implementation issues require additional signal boosting to correct for degraded USB signalling lev
50. t5 t6 t7 a All Power Supplies must have reached the operating levels mandated in Chapter 5 DC Parameters prior to or coincident with the assertion of RESET N Revision 1 98 11 19 07 40 SMSC USB2514 DATASHEET USB 2 0 High Speed 4 Port Hub Controller SMSE Datasheet 4 7 2 3 RESET N for SMBus Slave Configuration Hardware Attach Start Reset SMBus Code Hub PHY USB Reset completion reset USB Idle Negation Load Stabilization recovery request asserted Upstream 1 1 1 1 14 11 12 1417 1 1 RESET Figure 4 6 Timing for SMBus Mode Table 4 7 Reset_N Timing for SMBus Mode NAME DESCRIPTION MIN TYP MAX UNITS 11 RESET_N Asserted 1 usec t2 Hub Recovery Stabilization 500 usec t3 SMBus Code Load See Note 250 300 msec t4 Hub Configuration and USB Attach 100 msec t5 Host acknowledges attach and signals USB 100 msec Reset t6 USB Idle Undefined msec t7 Completion time for requests with or without data 5 msec stage Notes a For Bus Powered configurations the 99 5ms MAX is required and the Hub and its associated circuitry must not consume more than 100mA from the upstream USB power source during t2 t3 t4 t5 t6 t7 For Self Powered configurations t3 MAX is not applicable and the time to load the configuration is determined by the external SMBus host a All Power Supplies must ha
51. te of this multifunction pin is internally latched on the rising edge of RESET N RESET N negation and will determine the hub configuration method as described in Table 3 2 SMBus or EEPROM Interface Behavior HS IND CFG SEL1 25 32 1 012 High Speed Upstream port indictor amp Configuration Programming Select HS_IND High Speed Indicator for upstream port connection speed The active state of the LED will be determined as follows CFG_SEL1 0 HS_IND is active high CFG_SEL1 1 HS IND is active low Asserted Hub is connected at HS Negated Hub is connected at FS SEL1 The logic state of this pin is internally latched on the rising edge of RESET N RESET N negation and will determine the hub configuration method as described in Table 3 2 SMBus or EEPROM Interface Behavior Revision 1 98 11 19 07 12 DATASHEET SMSC USB2514 USB 2 0 High Speed 4 Port Hub Controller SMSC Table 3 1 USB2514 Pin Descriptions continued Datasheet BUFFER SYMBOL 36 QFN 48 QFN TYPE DESCRIPTION CFG_SEL2 n a 33 Configuration Programming Select Note This pin is not available in all packages it is held to a logic 0 when not available The logic state of this pin is internally latched on the rising edge of RESET N RESET N negation and will determine the hub configuration method as described in Table 3 2 SMBus EEPROM
52. the internal 1 8V regulators and this pin should be treated as a no connect In order to disable the regulators this pin will need to be externally connected to ground When the internal regulator is enabled the 1 8V power pins must be left unconnected except for the required bypass capacitors Revision 1 98 11 19 07 14 DATASHEET SMSC USB2514 USB 2 0 High Speed 4 Port Hub Controller P SMSE Datasheet Table 3 2 SMBus or EEPROM Interface Behavior CFG SEL2 CFG SEL1 CFG SELO SMBUS OR EEPROM INTERFACE BEHAVIOR 36 Pin N A 0 0 Internal Default Configuration QFN Strap Options Enabled 48 Pin 0 0 0 Port Indicators Not Supported QFN 36 Pin N A 0 1 Configured as an SMBus slave for external download QFN of user defined descriptors SMBus slave address 58 0101100x TEN 0 0 1 Strap Options Disabled All Settings Controlled by Registers 36 Pin N A 1 0 Internal Default Configuration QFN Strap Options Enabled 48 Pin 0 1 0 Bus Power Operation QFN LED Mode USB 36 Pin N A 1 1 2 Wire EEPROMS are supported QFN Strap Options Disabled 48 Pin 0 1 1 All Settings Controlled by Registers QFN 48 Pin 1 0 0 Internal Default Configuration QFN Strap Options Disabled Dynamic Power Switching Enabled 48 Pin 1 0 1 Internal Default Configuration QFN Strap Options Disabled Dynamic Power Switching Enabled LED Mode USB 48 Pin 1 1 0 Internal Defa
53. thout data 5 msec stage Notes When in Bus Powered mode the Hub and its associated circuitry must not consume more than 100mA from the upstream USB power source during t1 t5 All Power Supplies must have reached the operating levels mandated in Chapter 5 DC Parameters prior to or coincident with the assertion of RESET_N SMSC USB2514 Revision 1 98 11 19 07 39 DATASHEET USB 2 0 High Speed 4 Port Hub Controller P Datasheet 4 7 2 2 RESET_N for EEPROM Configuration Start Read Strap Bead Attach USB Reset completion 9981 Options USB recover request asserted Set Upstream y q 3 NX NON NN GG EM NE Au i i _ 1 IN VSS eme oo Figure 4 5 Reset_N Timing for EEPROM Mode Table 4 6 Reset_N Timing for EEPROM Mode NAME DESCRIPTION MIN TYP MAX UNITS 11 RESET_N Asserted 1 usec t2 Hub Recovery Stabilization 500 usec t3 EEPROM Read Hub Config 2 0 99 5 msec t4 USB Attach See Note 100 msec t5 Host acknowledges attach and signals USB 100 msec Reset t6 USB Idle undefined msec t7 Completion time for requests with or without data 5 msec stage Notes a 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
54. tor IPU Input with internal weak pull up resistor IS Input with Schmitt trigger O12 Output 12mA OD12 Open drain 12 sink 1 012 Input Output buffer with 12 sink and 12 source Revision 1 98 11 19 07 SMSC USB2514 16 DATASHEET USB 2 0 High Speed 4 Port Hub Controller Datasheet P Table 3 4 USB2514 Buffer Type Descriptions continued BUFFER DESCRIPTION 05012 Open drain 12mA sink with Schmitt trigger must meet 12 Specification Version 2 1 requirements ICLKx XTAL clock input OCLKx XTAL clock output I R RBIAS V O U Analog Input Output Defined in USB specification AlO Analog Input Output SMSC USB2514 Revision 1 98 11 19 07 17 DATASHEET P SMSE USB 2 0 High Speed 4 Port Hub Controller Datasheet Chapter 4 Configuration Options 4 1 4 1 1 4 1 1 1 4 1 2 4 2 4 Port Hub SMSC s USB 2 0 4 Port Hub is fully specification compliant to the Universal Serial Bus Specification Revision 2 0 April 27 2000 12 7 2000 and 5 28 2002 Errata Please reference Chapter 10 Hub Specification for general details regarding Hub operation and functionality For performance reasons the 4 Port Hub provides 1 Transaction Translator TT per port defined as Multi TT configuration divided into 4 non periodic buffers per TT Hub Configuration Options The SMSC Hub supports a large number of features some are mutually exclusive
55. ult Configuration QFN Strap Options Disabled 48 Pin 1 1 1 Internal Default Configuration QFN Strap Options Disabled a LED Mode USB Ganged Power Switching Ganged Over Current Sensing Notes SMSC USB2514 Denotes 48 Pin QFN 15 DATASHEET Denotes 36 Pin QFN Revision 1 98 11 19 07 USB 2 0 High Speed 4 Port Hub Controller P SMSE Datasheet Table 3 3 USB2514 Power Ground No Connect PACKAGE SYMBOL FUNCTION VDD Core 1 8V core power If the internal regulator is enabled then this pin must have a 1 or greater 20 ESR lt 0 10 capacitor to VSS VDD33PLL VDD 3 3 PLL Regulator Reference 3 3V power supply for the PLL If the internal PLL 1 8V regulator is enabled then this pin acts as the regulator input VDDPLL18 VDD PLL 1 8V Filtered analog power for internal PLL If the internal regulator is enabled then this pin must have a 1 or greater 20 ESR lt 0 10 capacitor to VSS VDDA33 VDD Analog 3 3V Filtered analog PHY power shared between adjacent ports VDD33 VDD33CR VDDIO VDD 3 3 Core Regulator Reference 3 3V power supply for the Digital I O If the internal core regulator is enabled then VDD33CR acts as the regulator input VSS Ground 3 2 Buffer Type Descriptions Table 3 4 USB2514 Buffer Type Descriptions BUFFER DESCRIPTION Input IPD Input with internal weak pull down resis
56. uniquely identifies this particular product assigned by OEM This field is set by the OEM using either the SMBus or EEPROM interface options 4 3 1 5 Register 04h Device ID LSB BIT NUMBER BIT NAME DESCRIPTION 7 0 DID_LSB Least Significant Byte of the Device ID This is a 16 bit device release number in BCD format assigned by OEM This field is set by the OEM using either the SMBus or EEPROM interface options 4 3 1 6 Register 05h Device ID MSB BIT NUMBER BIT NAME DESCRIPTION 7 0 DID_MSB Most Significant Byte of the Device ID This is a 16 bit device release number in BCD format assigned by OEM This field is set by the OEM using either the SMBus or EEPROM interface options SMSC USB2514 Revision 1 98 11 19 07 21 DATASHEET P SMSE 4 3 1 7 USB 2 0 High Speed 4 Port Hub Controller Datasheet Register 06h CONFIG_BYTE_1 BIT NUMBER BIT NAME DESCRIPTION 7 SELF BUS PWR Self or Bus Power Selects between Self and Bus Powered operation The Hub is either Self Powered draws less than 2mA of upstream bus power or Bus Powered limited to a 100mA maximum of upstream power prior to being configured by the host controller When configured as a Bus Powered device the SMSC Hub consumes less than 100mA of current prior to being configured After configuration the Bus Powered SMSC Hub along with all associated hub circuitry any embedded devices if part of a compound device and 100mA per exter
57. upport active high power controllers only OCS 4 1 IPU Over Current Sense Input from external current monitor indicating an over current condition Note Contains internal pull up to 3 3V supply SMSC USB2514 11 DATASHEET Revision 1 98 11 19 07 P Table 3 1 USB2514 Pin Descriptions continued USB 2 0 High Speed 4 Port Hub Controller Datasheet SYMBOL 36 QFN 48 QFN BUFFER TYPE DESCRIPTION RBIAS 35 47 FR USB Transceiver Bias A 12 0 4 1 resistor is attached from ground to this pin to set the transceiver s internal bias settings SERIAL PORT INTERFACE SDA SMBDATA NON REM 22 29 l OSD12 Serial Data SMB Data amp Port Non Removable Strap Option NON REM Non removable port strap option If this strap is enabled by package and configuration settings see Table 3 2 this pin will be sampled in conjunction with LOCAL PWR SUSP IND NON REMO at RESET N negation to determine if imports 4 1 contain permanently attached non removable devices NON REM 1 0 00 All ports are removable NON RENM 1 0 01 NON REM 1 0 10 Ports 1 amp 2 are non removable Port 1 is nonremovable NON RENM 1 0 11 Ports 1 2 amp 3 are non removable SCL SMBCLK CFG SELO 24 31 V OSD12 Serial Clock SCL SMBus Clock SMBCLK Configuration Select SELO The logic sta
58. ve reached the operating levels mandated in Chapter 5 DC Parameters prior to or coincident with the assertion of RESET_N 4 7 3 USB Bus Reset In response to the upstream port signaling a reset to the Hub the Hub does the following Note The Hub does not propagate the upstream USB reset to downstream devices 1 Sets default address to 0 2 Sets configuration to Unconfigured 3 Negates PRTPWR 4 1 to all downstream ports 4 Clears all TT buffers SMSC USB2514 Revision 1 98 11 19 07 41 DATASHEET USB 2 0 High Speed 4 Port Hub Controller P Datasheet 5 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 Revision 1 98 11 19 07 SMSC USB2514 42 DATASHEET USB 2 0 High Speed 4 Port Hub Controller Datasheet P SMSC Chapter 5 DC Parameters 5 1 Maximum Guaranteed Ratings PARAMETER SYMBOL MIN MAX UNITS COMMENTS Storage 55 150 C Temperature Lead 325 C Soldering lt 10 seconds Temperature 1 8V supply VDDA18PLL 2 5 V voltage DD18 3 3V supply VDDA33 4 6 V voltage VppssPLL DD33 VDD33CR Voltage on any 0 5 5 5 V pin Voltage on 0 5 4 0 V XTAL1 Voltage on 0 5 3 6 V XTAL2 Note Stresses above the sp
59. vel Vint 0 8 TTL Levels High Input Level Vint 2 0 Input Leakage lit 10 10 uA Vin 0 to Vppa3 Hysteresis IS Only Vuvsi 250 350 mV Input Buffer with Pull Up IPU Low Input Level Vui 0 8 TTL Levels High Input Level Vini 2 0 Low Input Leakage 35 90 uA Vin 0 High Input Leakage liHL 10 10 uA Vin Vpp33 Input Buffer with Pull Down IPD Low Input Level Vii 0 8 TTL Levels High Input Level Vint 2 0 Low Input Leakage Nee 10 10 uA Vin 0 High Input Leakage 35 90 uA Vin Vppa3 ICLK Input Buffer Low Input Level 0 5 High Input Level Vick 1 4 Input Leakage lit 10 10 uA Vin 0 to Vpp33 O12 11012 amp I OSD12 Type Buffer Low Output Level VoL 0 4 lo 12mA Vpp33 3 3V High Output Level Vou 2 4 12mA Vpp33 3 3V Output Leakage lot 10 10 uA Vin 0 to Vpp33 Note 5 1 Hysteresis SD pad only Vuvsc 250 350 mV Revision 1 98 11 19 07 44 DATASHEET SMSC USB2514 USB 2 0 High Speed 4 Port H ub Controller SMSE Datasheet Table 5 1 DC Electrical Characteristics continued PARAMETER SYMBOL MIN TYP MAX UNITS COMMENTS 10 U Note 5 2 Supply Current Unconfigured High Speed Host lcciNTHS 95 105 mA Full Speed Host lcciNITFS 80 90 mA Supply Current All supplies combined Configured High Speed Host 1 Port HS 1 Port LS FS lIucH1C1 150 170 mA 2 Ports LS FS HCC2 150 160 mA 2 Ports HS
60. ver Resonator or External 24 48MHz clock input USB host device speed indicator Per port 3 color LED drivers that indicate the speed of USB host and device connection hi speed 480 Mbps full speed 12 Mbps low speed 1 5 Mbps 48 pin QFN Enhanced EMI rejection and ESD protection performance OEM Selectable Features Customize Vendor ID Product ID and Device ID Select whether the hub is part of a compound device When any downstream port is permanently hardwired to a USB peripheral device the hub is part of a compound device SMSC USB2514 Flexible port mapping and disable sequence Ports can be disabled reordered in any order to support multiple product 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 Programmable USB signal drive strength Recover USB signal integrity due to compromised system environment using 4 level driving strength resolution Select the presence of a permanently hardwired USB peripheral device on a port by port basis Configure the delay time for filtering the over current sense inputs Configure the delay time for turning on downstream port power Configure the polarity of downstream port power control signals Indicate the maximum current that the 4 port hub consumes from the USB upstream port Indicate the maximum current re
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