USB3503 USB 2.0 HSIC High-Speed Hub Controller Optimized for Portable Applications PRODUCT FEATURES Data Brief Features Integrated USB 2.0 Compatible 3-Port Hub. HSIC Upstream Port Advanced power saving features — 1 μA Typical Standby Current — Port goes into power saving state when no devices are connected downstream — Port is shutdown when port is disabled. — Digital core shut down in Standby Mode Supports either Single-TT or Multi-TT configurations for Full-Speed and Low-Speed connections. Enhanced configuration options available through serial I2C Slave Port — VID/PID/DID — String Descriptors — Configuration options for Hub. Internal Default configuration option when serial I2C host not available. MultiTRAKTM — Dedicated Transaction Translator per port. PortMap PortSwap PHYBoostTM — Configurable port mapping and disable sequencing. — Configurable differential intra-pair signal swapping. USB Port ESD Protection (DP/DM) — ±15kV (air and contact discharge) — IEC 61000-4-2 level 4 ESD protection without external devices 25-pin WLCS (1.97mm x 1.97mm Wafer Level Chip Scale) Package - 0.4mm ball pitch Applications The USB3503 is targeted for applications where more than one USB port is required. As mobile devices add more features and the systems become more complex it is necessary to have more than one USB port to take communicate with the internal and peripheral devices. Mobile Phones Tablet Computers Ultra Mobile PCs Digital Still Cameras Digital Video Camcorders Gaming Consoles PDAs Portable Media Players GPS Personal Navigation Devices Media Players/Viewers — Programmable USB transceiver drive strength for recovering signal integrity VariSenseTM flexPWR® Technology — Programmable USB receiver sensitivity — Low current design ideal for battery powered applications — Internal supply switching provides low power modes External 12, 19.2, 24, 25, 26, 27, 38.4, or 52 MHz clock input Internal 3.3V & 1.2V Voltage Regulators for single supply operation. — External VBAT and 1.8V dual supply input option Internal Short Circuit protection of USB differential signal pins. SMSC USB3503A Revision 1.1 (02-07-13) PRODUCT PREVIEW USB 2.0 HSIC High-Speed Hub Controller Optimized for Portable Applications Order Number(s): TEMPERATURE RANGE PACKAGE TYPE REEL SIZE USB3503A-1-GL-TR 0C to 70C 25-Ball WLCSP 3000 pieces USB3503AI-1-GL-TR -40C to 85C 25-Ball WLCSP 3000 pieces ORDER NUMBER This product meets the halogen maximum concentration values per IEC61249-2-21 For RoHS compliance and environmental information, please visit www.smsc.com/rohs Copyright © 2013 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 1.1 (02-07-13) 2 PRODUCT PREVIEW SMSC USB3503A USB 2.0 HSIC High-Speed Hub Controller Optimized for Portable Applications General Description The SMSC USB3503 is a low-power, USB 2.0 hub controller with HSIC upstream connectivity and three USB 2.0 downtream ports. The USB3503 operates as a hi-speed hub and supports low-speed, full-speed, and hi-speed downstream devices on all of the enabled downstream ports. The USB3503 has been specifically optimized for mobile embedded applications. The pin-count has been reduced by optimizing the USB3503 for mobile battery-powered embedded systems where power consumption, small package size, and minimal BOM are critical design requirements. Standby mode power has been minimized. Instead of a dedicated crystal, reference clock inputs are aligned to mobile applications. Flexible integrated power regulators ease integration into battery powered devices. All required resistors on the USB ports are integrated into the hub. This includes all series termination resistors on D+ and D– pins and all required pull-down resistors on D+ and D– pins. The USB3503 includes programmable features such as: MultiTRAKTM Technology, which utilizes a dedicated Transaction Translator (TT) per port to maintain consistent full-speed data throughput regardless of the number of active downstream connections. MultiTRAKTM outperforms conventional USB 2.0 hubs with a single TT in USB full-speed data transfers. PortMap, which provides flexible port mapping and disable sequences. The downstream ports of a USB3503 hub can be reordered or disabled in any sequence to support multiple platform designs with minimum effort. For any port that is disabled, the USB3503 hub controllers automatically reorder the remaining ports to match the USB host controller’s port numbering scheme. PortSwap, which adds per-port programmability to USB differential-pair pin locations. PortSwap allows direct alignment of USB signals (D+/D-) to connectors to avoid uneven trace length or crossing of the USB differential signals on the PCB. PHYBoost, which provides programmable levels of Hi-Speed USB signal drive strength in the downstream port transceivers. PHYBoost attempts to restore USB signal integrity in a compromised system environment. The graphic on the right shows an example of HiSpeed USB eye diagrams before and after PHYBoost signal integrity restoration. VariSense, which controls the USB receiver sensitivity enabling programmable levels of USB signal receive sensitivity. This capability allows operation in a sub-optimal system environment, such as when a captive USB cable is used. SMSC USB3503A 3 PRODUCT PREVIEW Revision 1.1 (02-07-13) USB 2.0 HSIC High-Speed Hub Controller Optimized for Portable Applications Customer Selectable Features A default configuration is available in the USB3503 following a reset. This configuration may be sufficient for most applications. The USB3503 hub may also be configured by an external microcontroller. When using the microcontroller interface, the hub appears as an I2C slave device. The USB3503 hub supports customer selectable features including: Optional customer configuration via I2C. Supports compound devices on a port-by-port basis. Customizable vendor ID, product ID, and device ID. Configurable downstream port power-on time reported to the host. Supports indication of the maximum current that the hub consumes from the USB upstream port. Supports Indication of the maximum current required for the hub controller. Configurable as a either a Self-Powered or Bus-Powered Hub Supports custom string descriptors (up to 30 characters): — Product string — Manufacturer string — Serial number string When available, I2C configurable options for default configuration may include: — Downstream ports as non-removable ports — Downstream ports as disabled ports — USB signal drive strength — USB receiver sensitivity — USB differential pair pin location Revision 1.1 (02-07-13) 4 PRODUCT PREVIEW SMSC USB3503A USB 2.0 HSIC High-Speed Hub Controller Optimized for Portable Applications Block Diagram RESET_N Upstream HSIC Port VBAT To I2C Master VDD_CORE_REG VDD12_BYP SDA SCL INT_N VDD33_BYP Mode Control Standby Hub Mode Upstream HSIC 3.3V Reg 1.2V Reg Serial Interface SIE Repeater TT #1 TT #2 Controller TT #3 Port Controller Routing & Port Re-Ordering Logic PHY#3 PHY#2 PHY#1 PLL USB Data Downstream USB Data USB Data Downstream Downstream REF_CLK HUB_CONNECT Figure 1 USB3503 Block Diagram SMSC USB3503A 5 PRODUCT PREVIEW Revision 1.1 (02-07-13) Figure 2 WLCSP25, 1.97x1.97mm Body, 0.4mm Pitch SMSC USB3503A PRODUCT PREVIEW 6 USB 2.0 HSIC High-Speed Hub Controller Optimized for Portable Applications Revision 1.1 (02-07-13) Package Outline