LPC47B27X Datasheet, PDF (1/196 Pages) SMSC Corporation – 100 PIN ENHANCED SUPER I/O CONTROLLER WITH LPC INTERFACE

LPC47B27x
100 Pin Enhanced Super I/O Controller with LPC
Interface
FEATURES
• 3.3 Volt Operation, 5 Volt Tolerant
• LPC Interface
• Fan Control
- Fan Speed Control Outputs (2)
- Fan Tachometer Inputs (2)
• Programmable Wake-up Event Interface
• PC98, PC99, and ACPI 1.0 Compliant
• Dual Game Port Interface
• MPU-401 MIDI Support
• General Purpose Input/Output Pins (37)
• ISA IRQ to Serial IRQ Conversion
• 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
- 480 Address, Up to 15 IRQ and
Three DMA Options
• Floppy Disk Available on Parallel Port Pins
• 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 NS16C550A 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
- 32-Byte Data FIFO
- IrDA 1.0 Compliant
- Consumer IR
- SHARP ASK IR
- 480 Address, Up to 15 IRQ and Three
DMA Options
• 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
- 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
• 100 Pin QFP Package
SMSC LPC47B27x
DATASHEET
Rev. 08-10-04