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SCH5017 Datasheet, PDF (1/5 Pages) SMSC Corporation – Super I/O with Temperature Sensing, Quiet Auto Fan and Glue Logic | |||
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SCH5017
Super I/O with Temperature
Sensing, Quiet Auto Fan
and Glue Logic
PRODUCT FEATURES
Data Brief
 General Features
â 3.3 Volt Operation (SIO Block is 5 Volt Tolerant)
â LPC Interface
â Programmable Wake-up Event Interface
â PC99, PC2001 Compliant
â ACPI 2.0 Compliant
â Multiplexed Command, Address and Data Bus
â Serial IRQ Interface Compatible with Serialized IRQ
Support for PCI Systems
â PME Interface
â ISA Plug-and-Play Compatible Register Set
â 25 General Purpose Input/Output Pins
â System Management Interrupt
 AC Power Failure Recovery
 Watchdog Timer
 2.88MB Super I/O Floppy Disk Controller
â Licensed CMOS 765B Floppy Disk Controller
â Software and Register Compatible with SMSC's
Proprietary 82077AA Compatible Core
â Supports One Floppy Drive
â Configurable Open Drain/Push-Pull Output Drivers
â Supports Vertical Recording Format
â 16-Byte Data FIFO
â 100% IBM® Compatibility
â Detects All Overrun and Underrun Conditions
â Sophisticated Power Control Circuitry (PCC) Including
Multiple Powerdown Modes for Reduced Power
Consumption
â DMA Enable Logic
â Data Rate and Drive Control Registers
â 480 Address, Up to Eight IRQ and Three DMA Options
â Support 3 Mode FDD
 Enhanced Digital Data Separator
â 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250 Kbps Data
Rates
â Programmable Precompensation Modes
 Serial Ports
â Two Full Function Serial Ports
â High Speed NS16C550A Compatible UARTs with
Send/Receive 16-Byte FIFOs
â Supports 230k and 460k Baud
â Programmable Baud Rate Generator
â Modem Control Circuitry
â 480 Address and 15 IRQ Options
 Infrared Port
â Multiprotocol Infrared Interface
â IrDA 1.0 Compliant
â SHARP ASK IR
â 480 Addresses, Up to 15 IRQ
 Multi-Mode⢠Parallel Port with ChiProtectâ¢
â Standard Mode IBM PC/XT®, PC/AT®, and PS/2â¢
Compatible Bi-directional Parallel Port
â Enhanced Parallel Port (EPP) Compatible - EPP 1.7
and EPP 1.9 (IEEE 1284 Compliant)
â IEEE 1284 Compliant Enhanced Capabilities Port
(ECP)
â ChiProtect Circuitry for Protection
â 960 Address, Up to 15 IRQ and Three DMA Options
 Keyboard Controller
â 8042 Software Compatible
â 8 Bit Microcomputer
â 2k Bytes of Program ROM
â 256 Bytes of Data RAM
â Four Open Drain Outputs Dedicated for
Keyboard/Mouse Interface
â Asynchronous Access to Two Data Registers and One
Status Register
â Supports Interrupt and Polling Access
â 8 Bit Counter Timer
â Port 92 Support
â Fast Gate A20 and KRESET Outputs
 Motherboard GLUE Logic
â IDE Reset Output
â (4) Buffered PCI Reset Outputs with software controlled
reset capability - default transparent
â 3VSB Gate and 3V Gate signal generation
â Front Panel Reset Debouncing and Power Good Signal
Generation
â Power Supply Turn On Circuitry with Support for power
button on PS/2 Keyboard
â Resume Reset Signal Generation
â SMBus Isolation Circuitry (2 sets external and 1 set
internal for Hardware Monitoring Block)
â SMBus 2.0 compliant interface for Hardware Monitoring
â LED Control (2)
SMSC SCH5017
PRODUCT PREVIEW
Revision 0.5 (10-27-05)
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