USB2507 Integrated USB 2.0 Compatible 7-Port Hub PRODUCT FEATURES Datasheet Integrated USB 2.0 Compatible 7-Port Hub — 7 Transaction Translators for highest performance — High-Speed (480Mbits/s), Full-Speed (12Mbits/s) and Low-Speed (1.5Mbits/s) compatible — Full power management with per port or ganged, selectable power control — Detects Bus-Power/Self-Power source and changes mode automatically Complete USB Specification 2.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet ORDER NUMBER: USB2507-ADT FOR 80 PIN TQFP LEAD-FREE ROHS COMPLIANT PACKAGE 80 ARKAY DRIVE, HAUPPAUGE, NY 11788 (631) 435-6000, FAX (631) 273-3123 Copyright © 2007 SMSC or its subsidiaries. All rights reserved. Circuit diagrams and other information relating to SMSC products are included as a means of illustrating typical applications. Consequently, complete information sufficient for construction purposes is not necessarily given.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet Table of Contents Chapter 1 General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.1 OEM Selectable Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Chapter 2 Pin Table 7-Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Integrated USB 2.0 Compatible 7-Port Hub Datasheet List of Figures Figure 3.1 Figure 4.1 Figure 5.1 Figure 5.2 Figure 5.3 Figure 5.4 Figure 9.1 7-Port 80-Pin TQFP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 7-Port Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 LED Strapping Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Integrated USB 2.0 Compatible 7-Port Hub Datasheet List of Tables Table 2.1 Table 4.1 Table 4.2 Table 4.3 Table 4.4 Table 4.5 Table 5.1 Table 5.2 Table 5.3 Table 5.4 Table 5.5 Table 5.6 Table 5.7 Table 7.1 Table 9.1 7-Port Pin Table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 7-Port Hub Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Integrated USB 2.0 Compatible 7-Port Hub Datasheet Chapter 1 General Description The SMSC 7-Port Hub is fully compliant with the USB 2.0 Specification and will attach to a USB host as a Full-Speed Hub or as a Full-/High-Speed Hub. The 7-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. A dedicated Transaction Translator (TT) is available for each downstream facing port.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet Chapter 2 Pin Table 7-Port Table 2.1 7-Port Pin Table UPSTREAM USB 2.0 INTERFACE (3 PINS) USBDP0 USBDN0 VBUS_DET 7-PORT USB 2.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet 9''$ 2&6 B1 3573:5 2&6 B1 3573:5 2&6 B1 3573:5 2&6 B1 3573:5 966 9'' 9'' &5 2&6 B1 3573:5 2&6 B1 3573:5 2&6 B1 &/.,1B(1 3573:5B32/ 5(6(7B1 9%86B'(7 Chapter 3 Pin Configuration 7-Port Hub 3573:5 86%'3 *5 86%'1 $0 966 *5 86%'1 $0 86%'3 *5 9''$ $0 86%'3 9'' 86%'1 966 86% 966 9'' 966 *5 357B',6 9'' $0 /('B(1 966 *5 357B',6 ;7$/ $0 ;7$/ &/.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet Chapter 4 7-Port Hub Block Diagram Upstream Upstream 24 MHz USB Data VBUS Crystal Upstream PHY VBUS Power Detect 3.3V To EEPROM Pin 1.8V Strapping or SMBus Master Cap Options SD SCL Internal Defaults Select 1.8V Reg. PLL Controller SIE Repeater TT #1 TT #2 Serial Interface ... TT #7 Port Controller Routing Logic Port #1 OC Sense Downstream Switch Driver PHY #1 LED Drivers ...
Integrated USB 2.0 Compatible 7-Port Hub Datasheet Table 4.1 7-Port Hub Pin Descriptions (continued) NAME SYMBOL TYPE FUNCTION 7-PORT USB 2.0 HUB INTERFACE High-Speed USB Data USBDN[7:1] USBDP[7:1] IO-U These pins connect to the downstream USB peripheral devices attached to the Hub’s ports. USB Power Enable PRTPWR[7:1] O12 Enables power to USB peripheral devices (downstream). Ports [7:5] Green LED GR[7:5] I/O12 Green indicator LED’s for ports[7:5].
Integrated USB 2.0 Compatible 7-Port Hub Datasheet Table 4.1 7-Port Hub Pin Descriptions (continued) NAME SYMBOL TYPE FUNCTION Port 4 Amber LED & LED Enable strapping option AM4/ LED_EN I/O12 Amber indicator LED for port 4. Will be active low when LED support is enabled via EEPROM or SMBus. If the hub is configured by the internal default configuration, this pin will be sampled at RESET_N negation to determine if LED support is enabled or disabled.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet Table 4.1 7-Port Hub Pin Descriptions (continued) NAME SYMBOL TYPE FUNCTION SERIAL PORT INTERFACE Serial Data/SMB Data SDA/SMBDATA IOSD12 (Serial Data)/(SMB Data) signal. Serial Clock/SMB Clock & Config Select 0 SCL/SMBCLK/ CFG_SEL0 IOSD12 (Serial Clock)/(SMB Clock) signal. This multifunction pin is read on the rising edge of RESET_N (see the applicable RESET_N timing table in Section 5.6.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet Table 4.3 Miscellaneous Pins (continued) NAME SYMBOL TYPE FUNCTION Analog Test & Internal 1.8V voltage regulator enable ATEST/ REG_EN AIO This signal is used for testing the analog section of the chip, and to enable or disable the internal 1.8v regulator. This pin must be connected to VDDA33 to enable the internal 1.8V regulator, or to VSS to disable the internal regulator. When the internal regulator is enabled, the 1.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet Table 4.5 Buffer Type Descriptions (continued) BUFFER I/O12 IOSD12 DESCRIPTION Input/Output, 12mA Open drain….12mA sink with Schmitt trigger, and must meet I2C-Bus Specification Version 2.1 requirements. ICLKx XTAL Clock Input OCLKx XTAL Clock Output I-R RBIAS IO-U Defined in USB Specification. Note: Meets USB 1.1 requirements when operating as a 1.1-compliant device and meets USB 2.0 requirements when operating as a 2.0-compliant device.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet Chapter 5 Functional Block Description 5.1 7-Port Hub SMSC’s USB 2.0 7-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 11 (Hub Specification) for general details regarding Hub operation and functionality.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet 5.1.1.5 Port Indicators Controls the use of LED indicator for Port status information. See Section 11.5.3 of the USB 2.0 Specification for additional details. This field is set by the OEM using either the SMBus or EEPROM interface options. When using the internal default option, the LED_EN pin enables/disables LED Indicator support. 5.1.1.6 High-Speed Disable Allows an OEM to force the Hub to configure as a Full-Speed device only (i.e.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet 5.1.1.12 Non-Removable Device 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.) This field is set by the OEM using either the SMBus or EEPROM interface options. When using the internal default option, the NON_REM[1:0] pins will designate the appropriate ports as being nonremovable. 5.1.1.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet 5.1.1.19 Self-powered Hub Controller Current When in Self-Powered configuration, Maximum current requirements of the Hub Controller in 2mA increments. This field is set by the OEM using either the SMBus or EEPROM interface options. 5.1.1.20 Bus-Powered Hub Controller Current When in Bus-Powered configuration, Maximum current requirements of the Hub Controller in 2mA increments.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet 5.2.1.1 Implementation Characteristics Please refer to the MicroChip 24AA00 DataSheet for Protocol and Programming specifics. 5.2.1.2 Pull-Up Resistor The Circuit board designer is required to place external pull-up resistors (10KΩ recommended) on the SDA/SMBDATA & SCL/SMBCLK/CFG_SELO lines (per SMBus 1.0 Specification, and EEPROM manufacturer guidelines) to Vcc in order to assure proper operation. 5.2.1.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet Table 5.1 User-Defined Descriptor Data (continued) DEFAULT CFG SELF (HEX) DEFAULT CFG BUS (HEX) 1 64 64 Max Current (expressed in 2mA units). 1 32 32 Time until power is stable. BYTE MSB: LSB SIZE (BYTES) Hub Controller Max Current Bus-Powered E Power-On Time F FIELD 5.2.3.1 DESCRIPTION EEPROM Offset 1:0(h) - Vendor ID BIT NUMBER BIT NAME 15:8 VID_MSB Most Significant Byte of the Vendor ID.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet BIT NUMBER BIT NAME DESCRIPTION 5 HS_DISABLE High Speed Disable: Disables the capability to attach as either a High/Fullspeed device, and forces attachment as Full-speed only i.e. (no High-Speed support). 0 = High-/Full-Speed. (Default) 1 = Full-Speed-Only (High-Speed disabled!) 4 MTT_ENABLE Multi-TT enable: Enables one transaction translator per port operation. 0 = single TT for all ports.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet 5.2.3.6 EEPROM Offset 8(h) - 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, ‘1’ = port is non-removable. Bit 7= 1; Port 7 non-removable. Bit 6= 1; Port 6 non-removable. Bit 5= 1; Port 5 non removable. Bit 4= 1; Port 4 non-removable. Bit 3= 1; Port 3 non-removable. Bit 2= 1; Port 2 non-removable. Bit 1= 1; Port 1 non removable.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet 5.2.3.9 EEPROM Offset B(h) - 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 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.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet 5.2.3.12 EEPROM Offset E(h) - Hub Controller Max Current For Bus Powered Operation BIT NUMBER BIT NAME DESCRIPTION 7:0 HC_MAX_C_BP Hub Controller Max Current Bus-Powered: Value in 2mA increments that the Hub consumes from an upstream port (VBUS) when operating as a selfpowered hub. This value includes the hub silicon along with the combined power consumption (from VBUS) of all associated circuitry on the board.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet 5.3.1.1 Byte Protocols When using the Hub SMBus Interface for byte transfers, a write will always consist of the SMBus Interface Slave Address byte, followed by the Internal Address Register byte, then the data byte. The normal read protocol consists of a write to the HUB with the SMBus Interface Address byte, followed by the Internal Address Register byte.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet 5.3.4 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 (TTIMEOUT, 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, MAX).
Integrated USB 2.0 Compatible 7-Port Hub Datasheet Table 5.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet 5.3.9.3 Register 02h: Vendor ID (MSB) (Reset = 0x00) BIT NUMBER BIT NAME 7:0 VID_MSB 5.3.9.4 BIT NAME 7:0 PID_LSB BIT NAME 7:0 PID_MSB BIT NAME 7:0 DID_LSB DESCRIPTION Most Significant Byte of the Product ID. DESCRIPTION Least Significant Byte of the Device ID. Register 06h: Device ID (MSB) (Reset = 0x00) BIT NUMBER BIT NAME 7:0 DID_MSB 5.3.9.8 Least Significant Byte of the Product ID.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet BIT NUMBER BIT NAME DESCRIPTION 5 HS_DISABLE High Speed Disable: Disables the capability to attach as either a High/Fullspeed 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!) 4 MTT_ENABLE Multi-TT enable: Enables one transaction translator per port operation. 0 = single TT for all ports.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet 5.3.9.10 Register 09h: Non-Removable Device (Reset = 0x00) BIT NUMBER BIT NAME DESCRIPTION 7:0 NR_DEVICE Non-Removable Device: Indicates which port(s) include non-removable devices. ‘0’ = port is removable, ‘1’ = port is non-removable. Bit Bit Bit Bit Bit Bit Bit Bit 5.3.9.11 7= 1; Port 7 non-removable. 6= 1; Port 6 non-removable. 5= 1; Port 5 non removable. 4= 1; Port 4 non-removable. 3= 1; Port 3 non-removable. 2= 1; Port 2 non-removable.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet 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 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.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet 5.3.9.17 Register 10h: Power-On Time (Reset = 0x00) BIT NUMBER BIT NAME DESCRIPTION 7:0 POWER_ON_TIME Power On Time: The length of time that it takes (in 2 ms intervals) from the time the host initiated power-on sequence begins on a port until power is good on that port. 5.3.9.18 Undefined Registers The registers shown in Table 5.4 are the defined registers in the Hub. Reads to undefined registers return 00h.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet +V Strap High 50K GR1 HUB GR2 Strap Low 50K Figure 5.1 LED Strapping Option 5.6 Reset There are two different resets that the Hub experiences. One is a hardware reset (via the RESET_N pin) and the second is a USB Bus Reset. 5.6.1 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.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet 5.6.1.1 RESET_N for Strapping Option Configuration Hardware reset asserted Drive Strap Outputs to inactive levels Read Strap Options t1 Attach USB Upstream USB Reset recovery t5 Start completion request response Idle t7 t6 t8 t2 t3 RESET_N VSS t4 Strap Pins Don’t Care Valid Driven by Hub if strap is an output. Don’t Care VSS Figure 5.2 Reset_N Timing for Default/Strap Option Mode Table 5.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet 5.6.1.2 RESET_N for EEPROM Configuration Hardware reset asserted Attach USB Upstream Read EEPROM + Set Options Read Strap Options USB Reset recovery Start completion request response Idle t4 t1 t2 t5 t3 t6 t7 RESET_N VSS Figure 5.3 Reset_N Timing for EEPROM Mode Table 5.6 Reset_N Timing for EEPROM Mode NAME DESCRIPTION MIN t1 RESET_N Asserted. t2 Hub Recovery/Stabilization. t3 EEPROM Read / Hub Config. t4 USB Attach (See Note).
Integrated USB 2.0 Compatible 7-Port Hub Datasheet RESET_N for SMBus Slave Configuration 5.6.1.3 Hardware reset asserted Reset Negation SMBus Code Load t1 t2 Hub PHY Stabilization Attach USB Upstream t3 t4 USB Reset recovery Start completion request response Idle t6 t5 t7 RESET_N VSS Figure 5.4 Reset_N Timing for SMBus Mode Table 5.7 Reset_N Timing for SMBus Mode NAME DESCRIPTION MIN t1 RESET_N Asserted. t2 Hub Recovery/Stabilization. t3 SMBus Code Load (See Note).
Integrated USB 2.0 Compatible 7-Port Hub Datasheet 4. Clears all TT buffers. 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. SMSC USB2507 37 DATASHEET Revision 2.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet Chapter 6 XNOR Test XNOR continuity tests all signal pins on the Hub (every pin except for NC, XTAL1/CLKIN, XTAL2, ATEST/REG_EN, RBIAS, TEST1, Power, and Ground). This functionality is enabled by driving TEST1 and CFG_SEL[1] high, driving SCLK low and transition RESET_N from low to high. The output from the XNOR chain is driven to GR2 . For each pin tested for continuity GR2 should toggle. Revision 2.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet Chapter 7 DC Parameters 7.1 Maximum Guaranteed Ratings PARAMETER SYMBOL MIN MAX UNITS Storage Temperature TA -55 150 °C 325 °C Lead Temperature 1.8V supply voltage VDDA18PLL VDD18 -0.5 2.5 V 3.3V supply voltage VDDA33 VDDA33PLL VDD33 VDD33CR -0.5 4.0 V Voltage on any I/O pin -0.5 (3.3V supply voltage + 2) ≤ 6 V Voltage on XTAL1 -0.5 4.0 V Voltage on XTAL2 -0.5 VDD18 + 0.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet 7.2 Recommended Operating Conditions PARAMETER SYMBOL MIN MAX UNITS Operating Temperature TA 0 70 °C 1.8V supply voltage VDDA18PLL VDD18 1.62 1.98 V 3.3V supply voltage VDDA33 VDDA33PLL VDD33 VDD33CR 3.0 3.6 V -0.3 5.5 V Voltage on any I/O pin COMMENTS If any 3.3V supply voltage drops b e l o w 3 . 0 V, t h e n t h e M A X becomes: (3.3V supply voltage + 0.5) Voltage on XTAL1 -0.3 VDDA33 V Voltage on XTAL2 -0.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet Table 7.1 DC Electrical Characteristics (continued) PARAMETER SYMBOL MIN TYP MAX UNITS 0.8 V COMMENTS ICLK Input Buffer Low Input Level VILCK High Input Level VIHCK 2.0 IIL -10 +10 uA VHYSC 50 100 mV 0.4 V Input Leakage Hysteresis TTL Levels V VIN = 0 to VDD33 O12 and I/O12 Type Buffer Low Output Level High Output Level Output Leakage VOL VOH 2.4 V IOL = 12mA @ VDD33 = 3.3V IOH = -4mA @ VDD33 = 3.3V IOL +10 uA VOL 0.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet Table 7.1 DC Electrical Characteristics (continued) PARAMETER SYMBOL MIN TYP MAX UNITS COMMENTS Total from all supplies Supply Current Configured (Full-Speed Host) 1 Port 2 Ports 3 Ports 4 Ports 7 Ports IFCC1 IFCC2 IFCC3 IFCC4 IFCC7 175 175 175 175 175 Supply Current Suspend ICSBY 225 mA mA mA mA mA uA Total from all supplies. Notes: 1. Output leakage is measured with the current pins in high impedance. 2. See USB 2.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet Chapter 8 AC Specifications 8.1 Oscillator/Clock Crystal: Parallel Resonant, Fundamental Mode, 24 MHz ±100ppm. External Clock: 50% Duty cycle ± 10%, 24 MHz ± 100ppm, Jitter < 100ps rms. 8.1.1 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 5.3). 8.1.2 I2C EEPROM: Frequency is fixed at 59KHz ± 20%.
Integrated USB 2.0 Compatible 7-Port Hub Datasheet Chapter 9 Package Outline Figure 9.1 80 Pin TQFP Package Outline (12x12x1.4 mm body - 2 mm footprint) Table 9.1 80 Pin TQFP Package Parameters A A1 A2 D D1 E E1 H L L1 e q W ccc MIN NOMINAL MAX REMARKS 1.40 0.05 1.35 13.80 11.80 13.80 11.80 0.09 0.45 ~ ~ ~ 1.40 14.00 12.00 14.00 12.00 ~ 0.60 1.00 REF. 0.50 Basic ~ 0.18 ~ 1.60 0.15 1.45 14.20 12.20 14.20 12.20 0.20 0.
