LPC47B34X Datasheet

IC型號(hào)：
LPC47B34X
PDF描述：
128 Pin Enhanced Super I/O with LPC Interface for Consumer A...
文件大?。?/label>
631.72KB
PDF頁數(shù)：
250頁
芯片廠家：
SMSC

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LPC47B34x

128 Pin Enhanced Super I/O with LPC Interface

for Consumer Applications

FEATURES

鈥?/div>

3.3 Volt Operation (5V Tolerant)

LPC Interface

Floppy Disk Controller (Supports 2 FDCs)

Multi-Mode Parallel Port

Two Full UARTs

8042 Keyboard Controller (Internal Latch on

IRQ1 and IRQ12)

Programmable Wakeup Event Interface

(nIO_PME Pin)

SMI Pin

GPIOs (62)

ISA IRQ to Serial IRQ Conversion (11 Pins)

WDT

Security Register

ACPI Support Register for Monitoring

System Sleep State and SMI Generation

Intrusion Detection

LED Control

Low Battery Warning

Battery Backup of Certain Wakeup Events

XNOR Chain

PC99 and ACPI 1.0 Compliant

ISA Plug-and-Play Compatible Register Set

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

Configurable Open Drain/Push-Pull

Output Drivers

Supports Vertical Recording Format

16-Byte Data FIFO

100% IBM

廬

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 3 DMA

Options

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

鈥?/div>

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