LPC47M182 View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

Manufacturer

LPC47M182

Advanced I/O Controller with Motherboard GLUE Logic

SMSC -> Microchip 

LPC47M182

Advanced I/O Controller with

Motherboard GLUE Logic

Product Features

ƒ 3.3V Operation (5V tolerant)

ƒ LPC Interface

− Multiplexed Command, Address and Data Bus

− Serial IRQ Interface Compatible with Serialized IRQ

Support for PCI Systems

ƒ ACPI 1.0b/2.0 Compliant

ƒ Programmable Wake-up Event Interface

ƒ PC99a/PC2001 Compliant

ƒ General Purpose Input/Output Pins (13)

ƒ Fan Tachometer Inputs (2)

ƒ Green and Yellow Power LEDs

ƒ ISA Plug-and-Play Compatible Register Set

ƒ Motherboard GLUE Logic

− 5V Reference Generation

− 5V Standby Reference Generation

− IDE Reset/Buffered PCI Reset Outputs

− Power OK Signal Generation

− Power Sequencing

− Power Supply Turn On Circuitry

− Resume Reset Signal Generation

− Hard Drive Front Panel LED

− Voltage Translation for DDC to VGA Monitor

− SMBus Isolation Circuitry

− CNR Dynamic Down Control

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 One Floppy Drive

− Configurable Open Drain/Push-Pull Output Drivers

− Supports Vertical Recording Format

ƒ 16-Byte Data FIFO

− 100% IBM Compatibility

− Detects All Overrun and Underrun Conditions

ƒ Sophisticated Power Control Circuitry (PCC)

Including Multiple Powerdown Modes for

Reduced Power Consumption

− DMA Enable Logic

− Data Rate and Drive Control Registers

ƒ 480 Address, Up to Eight IRQ and Three DMA

Options

Datasheet

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 16C550A Compatible UART 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

− 32-Byte Data FIFO

− IrDA 1.0 Compliant

− SHARP ASK IR

− HP-SIR

− 480 Address, Up to 15 IRQ and Three DMA Options

ƒ Multi-Mode Parallel Port with ChiProtect

− Standard Mode IBM PC/XT, PC/AT, and PS/2

Compatible Bi-directional 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

ƒ Interrupt Generating Registers

− Registers Generate IRQ1 – IRQ15 on Serial IRQ

Interface.

ƒ XOR-Chain Board Test

ƒ 128 Pin QFP Packages, 3.2 mm Footprint; green,

lead-free also available

SMSC LPC47M182

Revision 1.8 SMSC/Non-SMSC Register Sets (02-24-05)

DATASHEET

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