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
Licensed CMOS 765B Floppy Disk
Controller
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Software and Register Compatible with
SMSC's Proprietary 82077AA
Compatible Core
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Supports Two Floppy Drives
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Configurable Open Drain/Push-Pull Output
Drivers
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Supports Vertical Recording Format
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16-Byte Data FIFO
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100% IBM Compatibility
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Detects All Overrun and Underrun
Conditions
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Sophisticated Power Control Circuitry (PCC)
Including Multiple Powerdown Modes for
Reduced Power Consumption
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DMA Enable Logic
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Data Rate and Drive Control Registers
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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
SMSC DS – LPC47M192
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Port 92 Support
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Fast Gate A20 and KRESET Outputs
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
Rev. 03/30/05
DATASHEET
SMSC [ SMSC CORPORATION ]
