USB3500
Hi-Speed USB Host,
Device or OTG PHY
With UTMI+ Interface
PRODUCT FEATURES
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Datasheet
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USB-IF “Hi-Speed” certified to the Universal Serial
Bus Specification Rev 2.0
Interface compliant with the UTMI+ Specification,
Revision 1.0.
Includes full support for the optional On-The-Go
(OTG) protocol detailed in the On-The-Go
Supplement Revision 1.0a specification.
Functional as a host, device or OTG PHY.
Supports HS, FS, and LS data rates.
Supports FS pre-amble for FS hubs with a LS device
attached (UTMI+ Level 3)
Supports HS SOF and LS keep alive pulse.
Supports Host Negotiation Protocol (HNP) and
Session Request protocol (SRP.)
Internal comparators support OTG monitoring of
VBUS levels.
Low Latency Hi-Speed Receiver (43 Hi-Speed clocks
Max)
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Internal 1.8 volt regulators allow operation from a
single 3.3 volt supply
Internal short circuit protection of ID, DP and DM
lines to VBUS or ground.
Integrated 24MHz Crystal Oscillator supports either
crystal operation or 24MHz external clock input.
Internal PLL for 480MHz Hi-Speed USB operation.
Supports USB2.0 and legacy USB 1.1 devices
55mA Unconfigured Current (typical) - ideal for bus
powered applications.
83uA suspend current (typical) - ideal for battery
powered applications.
Full Commercial operating temperature range from
0C to +70C
56 Pin QFN package; green, lead-free (8 x 8 x 0.90
mm height)
SMSC USB3500
DATASHEET
Revision 1.0 (04-04-05)
Hi-Speed USB Host, Device or OTG PHY With UTMI+ Interface
Datasheet
ORDER NUMBER(S):
USB3500-ABZJ FOR 56 PIN, QFN PACKAGE (GREEN, LEAD-FREE)
80 Arkay Drive
Hauppauge, NY 11788
(631) 435-6000
FAX (631) 273-3123
Copyright © 2005 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.
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 1.0 (04-04-05)
DATASHEET
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SMSC USB3500
Hi-Speed USB Host, Device or OTG PHY With UTMI+ Interface
Datasheet
0.1
Reference Documents
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Universal Serial Bus Specification, Revision 2.0, April 27, 2000
USB2.0 Transceiver Macrocell Interface (UTMI) Specification, Version 1.02, May 27, 2000
On-The-Go Supplement to the USB2.0 Specification, Revision 1.0a, June 24, 2003
UTMI+ Specification, Revision 1.0, February 2, 2004
SMSC USB3500
DATASHEET
3
Revision 1.0 (04-04-05)
Hi-Speed USB Host, Device or OTG PHY With UTMI+ Interface
Datasheet
Table of Contents
0.1
Reference Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Chapter 1 General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Chapter 2 Functional Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Chapter 3 Pin Configuration and Pin Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.1
3.2
USB3500 Pin Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Pin Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Chapter 4 Limiting Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Chapter 5 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Chapter 6 Detailed Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
6.1
6.2
6.3
6.4
8bit Bi-Directional Data Bus Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TX Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RX Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
USB2.0 Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.4.1
High Speed and Full Speed Transceivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.4.2
Termination Resistors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.4.3
Bias Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Crystal Oscillator and PLL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Internal Regulators and POR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.6.1
Internal Regulators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.6.2
Power On Reset (POR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
USB On-The-Go (OTG) Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.7.1
ID Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.7.2
VBUS Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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6.5
6.6
6.7
Chapter 7 Application Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
7.11
7.12
7.13
7.14
7.15
Linestate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OPMODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Test Mode Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SE0 Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reset Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Suspend Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HS Detection Handshake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HS Detection Handshake – FS Downstream Facing Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HS Detection Handshake – HS Downstream Facing Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HS Detection Handshake – Suspend Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Assertion of Resume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Detection of Resume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HS Device Attach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
USB Reset and Chirp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Application Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Chapter 8 Package Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Revision 1.0 (04-04-05)
DATASHEET
4
SMSC USB3500
Hi-Speed USB Host, Device or OTG PHY With UTMI+ Interface
Datasheet
List of Figures
Figure 1.1
Figure 1.2
Figure 2.1
Figure 3.1
Figure 6.1
Figure 6.2
Figure 6.3
Figure 6.4
Figure 6.5
Figure 6.6
Figure 6.7
Figure 6.8
Figure 7.1
Figure 7.2
Figure 7.3
Figure 7.4
Figure 7.5
Figure 7.6
Figure 7.7
Figure 7.8
Figure 7.9
Figure 7.10
Figure 8.1
Basic UTMI+ USB Device Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
UTMI+ Level 3 Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
USB3500 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
USB3500 Pinout - Top View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
FS CLK Relationship to Transmit Data and Control Signals . . . . . . . . . . . . . . . . . . . . . . . . . 21
FS CLK Relationship to Receive Data and Control Signals. . . . . . . . . . . . . . . . . . . . . . . . . . 21
Transmit Timing for a Data Packet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Receive Timing for Data with Unstuffed Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Receive Timing for a Handshake Packet (no CRC). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Receive Timing for Setup Packet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Receive Timing for Data Packet (with CRC-16). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
USB3500 On-the-Go Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Reset Timing Behavior (HS Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Suspend Timing Behavior (HS Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
HS Detection Handshake Timing Behavior (FS Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Chirp K-J-K-J-K-J Sequence Detection State Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
HS Detection Handshake Timing Behavior (HS Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
HS Detection Handshake Timing Behavior from Suspend . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Resume Timing Behavior (HS Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Device Attach Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
USB Reset and Chirp. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
USB3500 Application Diagram (Top View) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
USB3500-ABZJ 56 Pin QFN Package Outline, 8 x 8 x 0.9 mm Body (Lead Free) . . . . . . . . 46
SMSC USB3500
DATASHEET
5
Revision 1.0 (04-04-05)
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