LPC47M10x
PRELIMINARY
100 Pin Enhanced Super I/O Controller with LPC
Interface for Consumer Applications
FEATURES
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3.3 Volt Operation (5 Volt Tolerant)
LPC Interface
ACPI 1.0 Compliant
Fan Control
Fan Speed Control Outputs
Fan Tachometer Inputs
Programmable Wake-up Event Interface
PC98, PC99 Compliant
Dual Game Port Interface
MPU-401 MIDI Support
General Purpose Input/Output Pins
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 Directly
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
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480 Address, Up to Eight 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 NS16C550 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
