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LPC47M997 Datasheet, PDF (1/5 Pages) SMSC Corporation – LPC Super I/O with Hardware Monitoring Block | |||
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LPC47M997
LPC Super I/O with
Hardware Monitoring
Block
Product Features
 3.3 Volt Operation (SIO Block is 5 Volt Tolerant)
 LPC Interface
 ACPI 1.0/2.0 Compliant
 Fan Control
â Fan Speed Control Outputs (2)
â Fan Tachometer Inputs (2)
 Programmable Wake-up Event Interface
 PC98, PC99, PC01 Compliant
 Dual Game Port Interface
 MPU-401 MIDI Support
 General Purpose Input/Output Pins (37)
 ISA Plug-and-Play Compatible Register Set
 Intelligent Auto Power Management
 System Management Interrupt
 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 Two Floppy Drives
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
 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 15 IRQ and Three DMA Options
 Enhanced Digital Data Separator
â 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250 Kbps
Data Rates
â Programmable Precompensation Modes
Data Brief
 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
 Serial Ports
â Two Full Function Serial Ports
â High Speed 16C550A 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 ChiProtect
 Standard Mode IBM PC/XT, PC/AT, and PS/2
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
SMSC LPC47M997
Page 1
PRODUCT PREVIEW
Rev. 01-12-07
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