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GL852GT
USB 2.0 MTT Hub Controller
Datasheet
Revision 1.46
Jul. 24, 2015
Genesys Logic, Inc.
GL852GT Datasheet
© 2015 Genesys Logic, Inc. - All rights reserved. Page 2
GLI Confidential
Copyright
Copyright © 2015 Genesys Logic, Inc. All rights reserved. No part of the materials shall be reproduced in any
form or by any means without prior written consent of Genesys Logic, Inc.
Ownership and Title
Genesys Logic, Inc. owns and retains of its right, title and interest in and to all materials provided herein.
Genesys Logic, Inc. reserves all rights, including, but not limited to, all patent rights, trademarks, copyrights
and any other propriety rights. No license is granted hereunder.
Disclaimer
All Materials are provided “as is”. Genesys Logic, Inc. makes no warranties, express, implied or otherwise,
regarding their accuracy, merchantability, fitness for any particular purpose, and non-infringement of
intellectual property. In no event shall Genesys Logic, Inc. be liable for any damages, including, without
limitation, any direct, indirect, consequential, or incidental damages. The materials may contain errors or
omissions. Genesys Logic, Inc. may make changes to the materials or to the products described herein at
anytime without notice.
Genesys Logic, Inc.
12F., No. 205, Sec. 3, Beixin Rd., Xindian Dist. 231,
New Taipei City, Taiwan
Tel : (886-2) 8913-1888
Fax : (886-2) 6629-6168
http ://www.genesyslogic.com
GL852GT Datasheet
© 2015 Genesys Logic, Inc. - All rights reserved. Page 3
GLI Confidential
Revision History
Revision
Date
Description
1.00
08/26/2011
First formal release
1.10
09/09/2011
Delete QFN28 package information
1.20
12/22/2011
Updated Table 6.2 Operating Ranges, p.24
1.30
03/08/2012
Added QFN28 package information
1.40
06/06/2012
Updated CH8 Ordering Information, p.33
1.41
05/17/2013
Updated CH1 General Description, p. 8
1.42
05/30/2013
Updated CH5.2.8 Non-removable Port Configuration, p. 24
1.43
07/22/2014
Updated CH6.2 Operating Ranges, p. 25
1.44
10/16/2014
Updated CH3.2 Pin Type, p. 12
1.45
01/16/2015
Updated Power Dissipation in Table 6.3
1.46
07/24/2015
Updated marking on p. 32
GL852GT Datasheet
© 2015 Genesys Logic, Inc. - All rights reserved. Page 4
GLI Confidential
Table of Contents
CHAPTER 1 GENERAL DESCRIPTION ........................................................................ 8
CHAPTER 2 FEATURES .................................................................................................... 9
CHAPTER 3 PIN ASSIGNMENT .................................................................................... 10
3.1 Pinouts ......................................................................................................................... 10
3.2 Pin List ......................................................................................................................... 12
3.3 Pin Descriptions .......................................................................................................... 13
CHAPTER 4 BLOCK DIAGRAM ................................................................................... 16
CHAPTER 5 FUNCTION DESCRIPTION ..................................................................... 17
5.1 General Description.................................................................................................... 17
5.1.1 USPORT Transceiver ......................................................................................... 17
5.1.2 PLL (Phase Lock Loop) ..................................................................................... 17
5.1.3 FRTIMER ........................................................................................................... 17
5.1.4 μC ......................................................................................................................... 17
5.1.5 UTMI (USB 2.0 Transceiver Microcell Interface) ........................................... 17
5.1.6 USPORT Logic ................................................................................................... 17
5.1.7 SIE (Serial Interface Engine) ............................................................................. 17
5.1.8 Control/Status Register ...................................................................................... 17
5.1.9 REPEATER ........................................................................................................ 18
5.1.10 TT (Transaction Translator) ........................................................................... 18
5.1.11 REPEATER/TT Routing Logic ....................................................................... 18
5.1.12 DSPORT Logic ................................................................................................. 19
5.1.13 DSPORT Transceiver ....................................................................................... 19
5.2 Configuration and I/O Settings ................................................................................. 20
5.2.1 RESET Setting .................................................................................................... 20
5.2.2 PGANG Setting ................................................................................................... 21
5.2.3 SELF/BUS Power Setting .................................................................................. 22
5.2.4 LED Connections ................................................................................................ 22
5.2.5 EEPROM Setting ................................................................................................ 23
5.2.6 Power Switch Enable Polarity (Only Available for LQFP48 Package) ......... 23
5.2.7 Port Number Configuration (Only Available for LQFP48 Package) ............ 23
5.2.8 Non-removable Port Configuration (Only Available for LQFP48 Package) 24
5.2.9 Reference Clock Configuration (Only Available for LQFP48 Package) ....... 24
GL852GT Datasheet
© 2015 Genesys Logic, Inc. - All rights reserved. Page 5
GLI Confidential
CHAPTER 6 ELECTRICAL CHARACTERISTICS ..................................................... 25
6.1 Maximum Ratings ...................................................................................................... 25
6.2 Operating Ranges ....................................................................................................... 25
6.3 DC Characteristics ..................................................................................................... 26
6.4 Power Consumption ................................................................................................... 27
6.5 AC Characteristics ..................................................................................................... 28
6.5.1 93C46 EEPROM IF ............................................................................................ 28
6.5.2 24C02 EEPROM Interface ................................................................................ 29
6.6 On-Chip Power Regulator ......................................................................................... 30
CHAPTER 7 PACKAGE DIMENSION .......................................................................... 31
CHAPTER 8 ORDERING INFORMATION .................................................................. 33
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