LPC47N267
100 Pin LPC Super I/O
with X-Bus Interface
PRODUCT FEATURES
3.3 Volt Operation (5V tolerant)
Programmable Wakeup Event Interface
(IO_PME# Pin)
SMI Support (IO_SMI# Pin)
GPIOs (29)
Four IRQ Input Pins
X-Bus Interface
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Supports up to 4 external components
Supports I/O cycles (No Memory Support)
8-Bit Data Transfer
6-Bit Address Qualification
Write Protection for each component
Data Brief
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
Infrared Communications Controller
— IrDA v1.2 (4Mbps), HPSIR, ASKIR, Consumer IR
Support
— 2 IR Ports
— 96 Base I/O Address, 15 IRQ Options and 3 DMA
Options
XNOR Chain
PC99 and ACPI 1.0b Compliant
100-pin STQFP Package
Intelligent Auto Power Management
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 One Floppy Drive 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
— Swap Drives A and B
— Non-Burst Mode DMA Option
— 48 Base I/O Address, 15 IRQ and 3 DMA Options
— Forceable Write Protect and Disk Change Controls
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 Against Damage Due
to Printer Power-On
— 192 Base I/O Address, 15 IRQ and 3 DMA Options
LPC Bus Host Interface
Multiplexed Command, Address and Data Bus
8-Bit I/O Transfers
8-Bit DMA Transfers
16-Bit Address Qualification
Serial IRQ Interface Compatible with Serialized IRQ
Support for PCI Systems
— PCI nCLKRUN Support
— Power Management Event (IO_PME#) Interface Pin
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Mechanical Package
— 100 pin STQFP (12mm x 12mm body size)
Floppy Disk Available on Parallel Port Pins (ACPI
Compliant)
Enhanced Digital Data Separator
— 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250 Kbps Data
Rates
— Programmable Precompensation Modes
SMSC LPC47N267
PRODUCT PREVIEW
Revision 01-03-05
SMSC [ SMSC CORPORATION ]
