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SCH5617-NS FOR 128 PIN, QFP LEAD-FREE ROHS COMPLIANT PACKAGE
Desktop System Controller Hub with Advanced, 8051µC-Based Auto Fan Control
Revision 0.6 (01-09-08) 2 SMSC SCH5617
PRODUCT PREVIEW
80 ARKAY DRIVE, HAUPPAUGE, NY 11788 (631) 435-6000, FAX (631) 273-3123
Copyright © 2008 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.
Keyboard Controller
— 8042 Software Compatible
— 8 Bit Microcomputer
— 2k Bytes of Program ROM
— 256 Bytes of Data RAM
— Four Open Drain Outputs Dedicated for
Keyboard/Mouse Interface
— Asynchronous Access to Two Data Registers and One
Status Register
— Supports Interrupt and Polling Access
— 8 Bit Counter Timer
— Port 92 Support
— Fast Gate A20 and KRESET Outputs
Serial Ports
— Two Full Function Serial Ports
— High Speed NS16C550A Compatible UARTs with
Send/Receive 16-Byte FIFOs
— Programmable Baud Rate Generator
– Supports all standard baud rates up to 115k bps
– Supports non-standard baud rates of 230k and
460k bps
— Modem Control Circuitry
— 480 Address and 15 IRQ Options
Infrared Port
— Multi protocol Infrared Interface
— IrDA 1.0 Compliant
— SHARP ASK IR
— 480 Addresses, Up to 15 IRQ
Multi-Mode™ Parallel Port with ChiProtect™
— Standard Mode IBM PC/XT
®,
PC/AT
®
, and PS/2™
Compatible Bi-directional Parallel Port
— Enhanced Parallel Port (EPP) Compatible - EPP 1.7
and EPP 1.9 (IEEE 1284 Compliant)
— IEEE 1284 Compliant Enhanced Capabilities Port
(ECP)
— ChiProtect Circuitry for Protection
— 960 Address, Up to 15 IRQ and Four DMA Options
LPC Interface
— Multiplexed Command, Address and Data Bus
— Serial IRQ Interface Compatible with Serialized IRQ
Support for PCI Systems
— PME Interface
Power Good Output
3.3 Volt I/O
128 Pin QFP, Lead-Free RoHS Compliant Package