USB2517-JZX

USB2517 USB 2.0 Hi-Speed 7-Port Hub Controller PRODUCT FEATURES Datasheet General Description  T h e S M S C 7 - P o r t H u b i s a l o w p o w e r, O E M configurable, MTT (multi transaction translator) hub controller IC with 7 downstream ports for embedded USB solutions. The 7-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-/Hi-Speed Hub. The 7-Port Hub supports Low-Speed, Full-Speed, and Hi-Speed (if operating as a Hi-Speed Hub) downstream devices on all of the enabled downstream ports. General 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/Pulldown resistors On Board 24MHz Crystal Driver, Resonator, or External 24MHz clock input USB host/device speed indicator. Per-port 3-color LED drivers indicate the speed of USB host and device connection - hi-speed (480 Mbps), full-speed (12 Mbps), low-speed (1.5 Mbps) Enhanced EMI rejection and ESD protection performance     Programmable USB signal drive strength. Recover USB signal integrity due to compromised system environments 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 Indicate the maximum current that the 7-port hub consumes from the USB upstream port Indicate the maximum current required for the hub controller Support 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 OverCurrent Detection on a Ganged or Individual Basis — Select USB Signal Drive Strength — Select USB Differential Pair Pin location Applications     Customizable 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 USB2517   OEM Selectable Features  — Eases PCB layout by aligning USB signal lines directly to connectors  Hub Controller IC with 7 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 I2CTM EEPROM, or SMBus Slave Port 64-Pin (9x9 mm) QFN lead-free, RoHS compliant package Hardware Features   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      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 DATASHEET Revision 2.8 (09-17-12) USB 2.0 Hi-Speed 7-Port Hub Controller Datasheet Order Number(s): USB2517-JZX for 64 pin, QFN lead-free RoHS compliant package This product meets the halogen maximum concentration values per IEC61249-2-21 For RoHS compliance and environmental information, please visit www.smsc.com/rohs Please contact your SMSC sales representative for additional documentation related to this product such as application notes, anomaly sheets, and design guidelines. Copyright © 2012 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 has 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 of Standard Microsystems Corporation (“SMSC”). Product names and company names are the trademarks of their respective holders. The Microchip name and logo, and the Microchip logo are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. 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 2.8 (09-17-12) 2 DATASHEET SMSC USB2517 USB 2.0 Hi-Speed 7-Port Hub Controller Datasheet Table of Contents Chapter 1 Acronyms & Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Chapter 2 Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Chapter 3 Pin Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3.1 64-Pin List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Chapter 4 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Chapter 5 Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 5.1 5.2 PIN Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Buffer Type Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Chapter 6 LED Usage Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 6.1 LED Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Chapter 7 Configuration Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 7.1 7.2 7.3 7.4 7.5 7.6 7-Port Hub . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EEPROM Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SMBus Slave Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Default Configuration Option: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Default Strapping Options: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 19 37 39 39 40 Chapter 8 DC Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 8.1 8.2 Maximum Guaranteed Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Chapter 9 AC Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 9.1 Oscillator/Clock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 Chapter 10 Package Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 SMSC USB2517 3 DATASHEET Revision 2.8 (09-17-12) USB 2.0 Hi-Speed 7-Port Hub Controller Datasheet List of Figures Figure 2.1 Figure 4.1 Figure 6.1 Figure 7.1 Figure 7.2 Figure 7.3 Figure 7.4 Figure 7.5 Figure 7.6 Figure 8.1 Figure 9.1 Figure 9.2 Figure 10.1 USB2517 64-Pin QFN Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 USB2517 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Dual Color LED Implementation Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Block Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Block Read. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 LED Strapping Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Reset_N Timing for Default/Strap Option Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Reset_N Timing for EEPROM Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Reset_N Timing for SMBus Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Supply Rise Time Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Typical Crystal Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 Formula to find value of C1 and C2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 64-Pin QFN, 9x9mm Body, 0.5mm Pitch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Revision 2.8 (09-17-12) 4 DATASHEET SMSC USB2517 USB 2.0 Hi-Speed 7-Port Hub Controller Datasheet List of Tables Table 3.1 Table 5.1 Table 5.2 Table 5.3 Table 7.1 Table 7.2 Table 7.3 Table 7.4 Table 7.5 Table 7.6 Table 7.7 Table 7.8 Table 8.1 Table 8.2 USB2517 64-Pin Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 USB2517 Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 USB2517 SMBUS or EEPROM Interface Behavior. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 USB2517 Buffer Type Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Internal Default, EEPROM and SMBus Register Memory Map. . . . . . . . . . . . . . . . . . . . . . . . 19 Port Remap Register for Ports 1 & 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Port Remap Register for Ports 3 & 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Port Remap Register for Ports 5 & 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Port Remap Register for Port 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Reset_N Timing for Default/Strap Option Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Reset_N Timing for EEPROM Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Reset_N Timing for SMBus Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 DC Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Pin Capacitance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 SMSC USB2517 5 DATASHEET Revision 2.8 (09-17-12) USB 2.0 Hi-Speed 7-Port Hub Controller Datasheet Chapter 1 Acronyms & Definitions EEPROMM: Electrically Erasable Programmable Read-Only Memory (a type of non-volatile memory) EMI: Electromagnetic Interference ESD: Electrostatic Discharge I2CTM: Inter-Integrated Circuit1 LCD: Liquid Crystal Display LED: Light Emitting Diode OCS: Over-current sense PCB: Printed Circuit Board PHY: Physical Layer PLL: Phase-Locked Loop PVR: Personal Video Recorder (also known as a Digital Video Recorder) QFN: Quad Flat No Leads RoHS: Restriction of Hazardous Substances Directive SCK: Serial Clock SD: Secure Digital SIE: Serial Interface Engine SMBus: System Management Bus TT: Transaction Translator 1.I2C is a registered trademark of Philips Corporation. Revision 2.8 (09-17-12) 6 DATASHEET SMSC USB2517 USB 2.0 Hi-Speed 7-Port Hub Controller Datasheet LED_B2_N/BOOST1 LED_A3_N/PRT_SWP3 VDD33 SUSP_IND/LOCAL_PWR/NON_REM0 VBUS_DET RESET_N HS_IND/CFG_SEL1 SCL/SMBCLK/CFG_SEL0 SDA/SMBDATA/NON_REM1 PRTPWR6 OCS6_N OCS7_N PRTPWR7 OCS5_N LED_B3_N/GANG_EN LED_A4_N/PRT_SWP4 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 Chapter 2 Pin Configuration LED_A2_N/PRT_SWP2 49 32 LED_B4_N LED_B1_N/BOOST0 50 31 LED_A5_N/PRT_SWP5 LED_A1_N/PRT_SWP1 51 30 PRTPWR5 VDDA33 52 29 PRTPWR1 USBDN6_DM/PRT_DIS_M6 53 28 OCS1_N 27 OCS2_N 26 PRTPWR2 25 VDD18 24 VDD33CR USBDN6_DP/PRT_DIS_P6 54 USBDN7_DM/PRT_DIS_M7 55 USBDN7_DP/PRT_DIS_P7 56 VDDA33 57 USBUP_DM 58 23 PRTPWR3 USBUP_DP 59 22 OCS3_N SMSC USB2517 (Top View QFN-64) XTAL2 60 21 OCS4_N XTAL1/CLKIN 61 20 PRTPWR4 VDD18PLL 62 19 TEST RBIAS 63 18 LED_B5_N VDD33PLL 64 17 LED_A6_N/PRT_SWP6 10 11 12 13 14 15 16 USBDN5_DP/PRT_DIS_P5 CFG_SEL2 LED_B7_N LED_A7_N/PRT_SWP7 LED_B6_N 9 USBDN4_DP/PRT_DIS_P4 VDDA33 8 USBDN4_DM/PRT_DIS_M4 USBDN5_DM/PRT_DIS_M5 7 5 VDDA33 6 4 USBDN2_DP/PRT_DIS_P2 USBDN3_DP/PRT_DIS_P3 3 USBDN3_DM/PRT_DIS_M3 2 USBDN1_DP/PRT_DIS_P1 USBDN2_DM/PRT_DIS_M2 USBDN1_DM/PRT_DIS_M1 1 Thermal Slug (must be connected to VSS) Indicates pins on the bottom of the device. Figure 2.1 USB2517 64-Pin QFN Diagram SMSC USB2517 7 DATASHEET Revision 2.8 (09-17-12) USB 2.0 Hi-Speed 7-Port Hub Controller Datasheet Chapter 3 Pin Table 3.1 64-Pin List Table 3.1 USB2517 64-Pin Table UPSTREAM USB 2.0 INTERFACES (3 PINS) USBUP_DP VBUS_DET USBUP_DM DOWNSTREAM 7-PORT USB 2.0 INTERFACES (43 PINS) USBDN1_DP/ PRT_DIS_P1 USBDN2_DP/ PRT_DIS_P2 USBDN3_DP/ PRT_DIS_P3 USBDN4_DP/ PRT_DIS_P4 USBDN5_DP/ PRT_DIS_P5 USBDN6_DP/ PRT_DIS_P6 USBDN7_DP/ PRT_DIS_P7 USBDN1_DM/ PRT_DIS_M1 USBDN2_DM/ PRT_DIS_M2 USBDN3_DM/ PRT_DIS_M3 USBDN4_DM/ PRT_DIS_M4 USBDN5_DM/ PRT_DIS_M5 USBDN6_DM/ PRT_DIS_M6 USBDN7_DM/ PRT_DIS_M7 LED_A1_N/ PRT_SWP1 LED_A2_N/ PRT_SWP2 LED_A3_N/ PRT_SWP3 LED_A4_N/ PRT_SWP4 LED_A5_N/ PRT_SWP5 LED_A6_N/ PRT_SWP6 LED_A7_N/ PRT_SWP7 LED_B1_N/ BOOST0 LED_B2_N/ BOOST1 LED_B3_N/ GANG_EN LED_B4_N LED_B5_N LED_B6_N LED_B7_N PRTPWR1 PRTPWR2 PRTPWR3 PRTPWR4 PRTPWR5 PRTPWR6 PRTPWR7 OCS1_N OCS2_N OCS3_N OCS4_N OCS6_N OCS7_N RBIAS OCS5_N SERIAL PORT INTERFACE (4 PINS) SDA/ SMBDATA/ NON_REM1 SCL/ SMBCLK/ CFG_SEL0 HS_IND/ CFG_SEL1 CFG_SEL2 SUSP_IND/ LOCAL_PWR/ NON_REM0 RESET_N MISC (5 PINS) XTAL1/CLKIN XTAL2 TEST Revision 2.8 (09-17-12) 8 DATASHEET SMSC USB2517 USB 2.0 Hi-Speed 7-Port Hub Controller Datasheet Table 3.1 USB2517 64-Pin Table (continued) ANALOG POWER (6 PINS) VDD18PLL VDD33PLL (4) VDDA33 DIGITAL POWER, GROUND (3 PINS) VDD33 VDD18 VDD33CR TOTAL 64 SMSC USB2517 9 DATASHEET Revision 2.8 (09-17-12) USB 2.0 Hi-Speed 7-Port Hub Controller Datasheet Chapter 4 Block Diagram To Upstream VBUS Upstream USB Data To EEPROM or SMBus Master 24 MHz Crystal 3.3V SD 1.8V PLL Bus-Power Detect/VBUS Pulse Upstream PHY Serial Interface 1.8V Reg SIE Repeater TT #1 SCK TT #2 TT #3 TT #4 Controller TT #5 TT #6 TT #7 Port Controller Routing & Port Re-Ordering Logic PHY#1 Port #1 Port #2 Port #7 OC Sense Switch Driver LED Drivers OC Sense Switch Driver LED Drivers OC Sense Switch Driver LED Drivers USB Data OC Sense Downstream Switch/LED Drivers PHY#2 PHY#7 USB Data OC Sense Downstream Switch/LED Drivers USB Data OC Sense Downstream Switch/LED Drivers Figure 4.1 USB2517 Block Diagram Revision 2.8 (09-17-12) 10 DATASHEET SMSC USB2517 USB 2.0 Hi-Speed 7-Port Hub Controller Datasheet Chapter 5 Pin Descriptions 5.1 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 “N” is not present before the signal name, the signal is asserted when 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 5.1 USB2517 Pin Descriptions SYMBOL 64 QFN BUFFER TYPE DESCRIPTION UPSTREAM USB INTERFACES USBUP_DP USBUP_DM 59 58 IO-U USB Bus Data VBUS_DET 44 I/O12 These pins connect to the upstream USB bus data signals (Host port, or upstream hub). 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 from the hub. For self-powered applications with a permanently attached host, this pin must be connected to 3.3V or 5.0V (typically VDD33). DOWNSTREAM 7-PORT USB 2.0 INTERFACES USBDN[7:1]_DP/ PRT_DIS_P[7:1] & USBDN[7:1]_DM/ PRT_DIS_M[7:1] PRTPWR[7:1] SMSC USB2517 2 4 7 9 12 54 56 1 3 6 8 11 53 55 36 39 30 20 23 26 29 IO-U Hi-Speed USB Data & Port Disable Strap Option USBDN_DP[7:1] / PRT_DIS_P[7:1]: These pins connect to the downstream USB peripheral devices attached to the hub’s port. To disable, pull up with 10K resistor to 3.3V. Downstream Port Disable Strap option: USBDN_DM[7:1] / PRT_DIS_M[7:1]: If this strap is enabled by package and configuration settings (see Table 5.2), this pin will be sampled at RESET_N negation to determine if the port is disabled. O12 USB Power Enable Enables power to USB peripheral devices downstream. Note: The hub supports active high power controllers only! 11 DATASHEET Revision 2.8 (09-17-12) USB 2.0 Hi-Speed 7-Port Hub Controller Datasheet Table 5.1 USB2517 Pin Descriptions (continued) SYMBOL 64 QFN LED_A[7:1]_N/ PRT_SWP[7:1] 15 17 31 33 47 49 51 BUFFER TYPE I/O12 DESCRIPTION Port LED Indicators & Port Swap strapping option Indicator LED for ports 1-7. Will be active low when LED support is enabled via EEPROM or SMBus. If this strap is enabled by package and configuration settings (see Table 5.2), 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, LED is active high. LED_B[7:4]_N LED_B3_N/ GANG_EN 14 16 18 32 34 I/O12 ‘1’ = Port Polarity (USB_DP and USB_DM) is swapped, LED is active low. Enhanced Indicator Port 4-7 LED Enhanced Indicator LED for ports 4-7. Will be active low when LED support is enabled via EEPROM or SMBus. I/O12 Enhanced Port 3 LED, Gang Power, and Over-current 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 Port power and Over-current sensing. If this strap is enabled by package and configuration settings (see Table 5.2), this pin will be sampled at RESET_N negation to determine the mode as follows: ‘0’ = Individual sensing & switching, and LED_B3_N is active high. LED_B[2:1]_N/ BOOST[1:0] 48 50 I/O12 ‘1’ = Ganged sensing & switching, and LED_B3_N is active low. Enhanced Port [2:1] LED & PHY Boost strapping option Enhanced Indicator LED for ports 1 & 2. Will be active low when LED support is enabled via EEPROM or SMBus. BOOST[1:0]: If this strap is enabled by package and configuration settings (see Table 5.2), 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 will be determined as follows: See Section 7.2.1.26, "Register F6h: Boost_Up" and Section 7.2.1.28, "Register F8h: Boost_4:0". BOOST[1:0] = BOOST_IOUT[1:0] BOOST[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. Revision 2.8 (09-17-12) 12 DATASHEET SMSC USB2517 USB 2.0 Hi-Speed 7-Port Hub Controller Datasheet Table 5.1 USB2517 Pin Descriptions (continued) SYMBOL 64 QFN OCS[7:1]_N 37 38 35 21 22 27 28 63 RBIAS SDA/ SMBDATA/ NON_REM1 40 BUFFER TYPE IPU DESCRIPTION Over-current Sense Input from external current monitor indicating an over-current condition. {Note: Contains internal pull-up to 3.3V supply} I-R USB Transceiver Bias A 12.0kΩ (+/- 1%) resistor is attached from the ground to this pin to set the transceiver’s internal bias settings. SERIAL PORT INTERFACE I/OSD12 Serial Data / SMB Data NON_REM1: Non-removable port strap option. If this strap is enabled by package and configuration settings (see Table 5.2) this pin will be sampled (in conjunction with SUSP_IND/LOCAL_PWR/NON_REM0) at RESET_N negation to determine if ports [3:1] contain permanently attached (nonremovable) devices: NON_REM[1:0] = ‘00’, All ports are removable, NON_REM[1:0] = ‘01’, Port 1 is non-removable, NON_REM[1:0] = ‘10’, Ports 1 & 2 are non-removable, NON_REM[1:0] = ‘11’, Ports 1, 2 & 3 are non-removable. SCL/ 41 I/OSD12 42 I/O12 SMBCLK/ CFG_SEL0 HS_IND/ CFG_SEL1 Serial Clock (SCL) SMBus Clock (SMBCLK) Configuration Select_SEL0: The logic state of this multifunctional 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 5.2, "USB2517 SMBUS or EEPROM Interface Behavior". Hi-Speed Upstream port indicator & 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 CFG_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 5.2, "USB2517 SMBUS or EEPROM Interface Behavior". SMSC USB2517 13 DATASHEET Revision 2.8 (09-17-12) USB 2.0 Hi-Speed 7-Port Hub Controller Datasheet Table 5.1 USB2517 Pin Descriptions (continued) SYMBOL 64 QFN BUFFER TYPE CFG_SEL2 13 I DESCRIPTION Configuration Programming Select Note: XTAL1/ CLKIN 61 XTAL2 60 RESET_N 43 ICLKx 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 5.2, "USB2517 SMBUS or EEPROM Interface Behavior". MISC Crystal Input/External Clock Input OCLKx 24MHz crystal or external clock input. This pin connects to either one terminal of the crystal or to an external 24MHz clock when a crystal is not used. Crystal Output IS 24MHz Crystal This is the other terminal of the crystal. It can be treated as a no connect 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 Input The system can reset the chip by driving this input low. The minimum active low pulse is 1 μs. SUSP_IND/ LOCAL_PWR/ NON_REM0 45 I/O12 When the RESET_N 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. Active/Suspend status LED or Local-Power & Non-Removable Strap Option Suspend Indicator: Indicates the USB state of the hub. ‘negated’ = Unconfigured or configured and in USB suspend ‘asserted’ = Hub is configured, and is 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 the upstream USB VBus). High = Self/local power source is available. NON_REM0 Strap Option: If this strap is enabled by package and configuration settings (see Table 5.2, "USB2517 SMBUS or EEPROM Interface Behavior"), this pin will be sampled (in conjunction with NON_REM1) at RESET_N negation to determine if ports [3:1] contain permanently attached (non-removable) devices. Also, the active state of the LED will be determined as follows: NON_REM[1:0] = ‘00’, All ports are removable, and the LED is active high NON_REM[1:0] = ‘01’, Port 1 is non-removable, and the LED is active low NON_REM[1:0] = ‘10’, Ports 1 & 2 are non-removable, and the LED is active high NON_REM[1:0] = ‘11’, Ports 1, 2 & 3 are non-removable, and the LED is active low Revision 2.8 (09-17-12) 14 DATASHEET SMSC USB2517 USB 2.0 Hi-Speed 7-Port Hub Controller Datasheet Table 5.1 USB2517 Pin Descriptions (continued) SYMBOL 64 QFN BUFFER TYPE TEST 19 IPD VDD18 25 DESCRIPTION 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. Power, Ground, No Connect VDD Core +1.8V core power. This pin must have a 1.0μF (or greater) ±20% (ESR