SMSC DS – LPC47M192
Rev. 03/30/05
DATASHEET
LPC47M192
LPC Super I/O with Hardware Monitoring Block
FEATURES
3.3 Volt Operation (SIO Block is 5 Volt Tolerant)
LPC Interface
ACPI 1.0/2.0 Compliant
Fan Control
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Fan Speed Control Outputs (2)
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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
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Licensed CMOS 765B Floppy Disk
Controller
Software and Register Compatible with
SMSC's Proprietary 82077AA
Compatible Core
Supports Two Floppy Drives
Configurable Open Drain/Push-Pull Output
Drivers
Supports Vertical Recording Format
16-Byte Data FIFO
100% IBM Compatibility
Detects All Overrun and Underrun
Conditions
Sophisticated Power Control Circuitry (PCC)
Including Multiple Powerdown Modes for
Reduced Power Consumption
DMA Enable Logic
Data Rate and Drive Control Registers
480 Address, Up to 15 IRQ and Three
DMA Options
Enhanced Digital Data Separator
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2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250
Kbps Data Rates
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Programmable Precompensation Modes
Keyboard Controller
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8042 Software Compatible
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8 Bit Microcomputer
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2k Bytes of Program ROM
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256 Bytes of Data RAM
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Four Open Drain Outputs Dedicated for
Keyboard/Mouse Interface
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Asynchronous Access to Two Data
Registers and One Status Register
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Supports Interrupt and Polling Access
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8 Bit Counter Timer
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Serial Ports
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Two Full Function Serial Ports
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High Speed 16C550A Compatible UARTs
with Send/Receive 16-Byte FIFOs
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Supports 230k and 460k Baud
Programmable Baud Rate Generator
Modem Control Circuitry
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480 Address and 15 IRQ Options
Infrared Port
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Multiprotocol Infrared Interface
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IrDA 1.0 Compliant
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SHARP ASK IR
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480 Addresses, Up to 15 IRQ
Multi-Mode Parallel Port with ChiProtect
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Standard Mode IBM PC/XT, PC/AT, and
PS/2 Compatible Bi-directional Parallel Port
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Enhanced Parallel Port (EPP) Compatible -
EPP 1.7 and EPP 1.9 (IEEE 1284
Compliant)
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IEEE 1284 Compliant Enhanced Capabilities
Port (ECP)
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ChiProtect Circuitry for Protection
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960 Address, Up to 15 IRQ and Three DMA
Options
LPC Interface
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Multiplexed Command, Address and Data
Bus
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Serial IRQ Interface Compatible with
Serialized IRQ Support for PCI Systems
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PME Interface
Hardware Monitor
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Monitor Power supplies (+2.5V, +3.3V, +5V,
+12V, +1.8V, +1.5V, Vccp (processor
voltage), and VCC or HVSB)
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Remote Thermal Diode Sensing for Two
External Temperature Measurements
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Internal Ambient Temperature Measurement
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Limit Comparison of all Monitored Values
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System Management Bus (SMBus) Interface
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THERM# Pin for out-of-limit Temperature or
Voltage Indication
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RESET# Pin for generating 20msec Low
Reset Pulse
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Configurable offset for internal or external
temperature channels.
AMI Keyboard BIOS ROM
128 Pin QFP, 3.2mm footprint Package; green,
lead-free package also available
Port 92 Support
Fast Gate A20 and KRESET Outputs