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
Fan Speed Control Outputs (2)
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
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
2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250
Kbps Data Rates
Programmable Precompensation Modes
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 16C550A Compatible UARTs
with Send/Receive 16-Byte FIFOs
Supports 230k and 460k Baud
Programmable Baud Rate Generator
Modem Control Circuitry
480 Address and 15 IRQ Options
Infrared Port
Multiprotocol 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 Three DMA
Options
LPC Interface
Multiplexed Command, Address and Data
Bus
Serial IRQ Interface Compatible with
Serialized IRQ Support for PCI Systems
PME Interface
Hardware Monitor
Monitor Power supplies (+2.5V, +3.3V, +5V,
+12V, +1.8V, +1.5V, Vccp (processor
voltage), and VCC or HVSB)
Remote Thermal Diode Sensing for Two
External Temperature Measurements
Internal Ambient Temperature Measurement
Limit Comparison of all Monitored Values
System Management Bus (SMBus) Interface
THERM# Pin for out-of-limit Temperature or
Voltage Indication
RESET# Pin for generating 20msec Low
Reset Pulse
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
SMSC DS – LPC47M192
Rev. 03/30/05
DATASHEET
