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LPC47N227

100 Pin Super I/O with LPC Interface for

Notebook Applications

FEATURES

3.3 Volt Operation (5V Tolerant)

PC99 and ACPI 1.0b Compliant

Programmable Wakeup Event Interface

(nIO_PME Pin)

SMI Support (nIO_SMI Pin)

GPIOs (29)

Two IRQ Input Pins

XNOR Chain

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

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

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

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

ORDERING INFORMATION

Order Numbers:

LPC47N227TQFP for 100 Pin TQFP Package

LPC47N227-MN for 100 Pin STQFP Package

next

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