LPC47M112-MC Datasheet, PDF (1/193 Pages) SMSC Corporation – ENHANCED SUPER I/O CONTROLLER WITH LPC INTERFACE

LPC47M112-MC
Enhanced Super I/O Controller with LPC Interface
FEATURES
ƒ 3.3 Volt Operation (5 Volt Tolerant)
ƒ LPC Interface
ƒ ACPI 1.0 Compliant
ƒ Fan Control
- Fan Speed Control Outputs
- Fan Tachometer Inputs
ƒ Programmable Wake-up Event Interface
ƒ PC98, PC99 Compliant
ƒ Dual Game Port Interface
ƒ MPU-401 MIDI Support
ƒ General Purpose Input/Output Pins
ƒ ISA Plug-and-Play Compatible Register Set
ƒ Intelligent Auto Power Management
ƒ System Management Interrupt
ƒ 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
- 480 Address, Up to Eight IRQ and Three DMA
Options
ƒ Enhanced Digital Data Separator
- 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250
Kbps Data Rates
- Programmable Precompensation Modes
ƒ 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
ƒ 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
ƒ Infrared Port
- Multiprotocol Infrared Interface
- IrDA 1.0 Compliant
- SHARP ASK IR
- 480 Addresses, Up to 15 IRQ
ƒ Multi-Mode Parallel Port with ChiProtect
- Standard Mode IBM PC/XT, PC/AT, and PS/2
Compatible Bidirectional 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
- 480 Address, Up to 15 IRQ and Three DMA
Options
ƒ LPC Interface
- Multiplexed Command, Address and Data Bus
- Serial IRQ Interface Compatible with
Serialized IRQ Support for PCI Systems
- PME Interface
ƒ 100 Pin QFP Package in a 3.2 mm format
SMSC DS – LPC47M112
Rev. 01/09/2001