SCH3112I-NE SMSC [SMSC Corporation], SCH3112I-NE Datasheet

SCH3112I-NE

Manufacturer Part Number

SCH3112I-NE

Description

LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports

Manufacturer

SMSC [SMSC Corporation]

Datasheet

1.SCH3112I-NE.pdf (396 pages)

Current page: 1 of 396
Download datasheet (6Mb)

PRODUCT FEATURES

■

SMSC SCH311X

General Features

Watchdog Timer

Resume and Main Power Good Generator

Programmable Clock Output to 16 HZ.

2.88MB Super I/O Floppy Disk Controller

Enhanced Digital Data Separator

Keyboard Controller

— 3.3 Volt Operation (SIO Block is 5 Volt Tolerant)

— Low Pin Count Bus (LPC) Interface

— Programmable Wake-up Event (PME) Interface

— PC99, PC2001 Compliant

— ACPI 2.0 Compliant

— Serial IRQ Interface Compatible with Serialized IRQ

— ISA Plug-and-Play Compatible Register Set

— Four Address Options for Power On Configuration Port

— System Management Interrupt (SMI)

— 40 General Purpose I/O pins

— 6 GPIO with VID compatible inputs

— Support for power button on PS/2 Keyboard

— Security Key Register (32 byte) for Device

— Licensed CMOS 765B Floppy DiskController

— Supports Two Floppy Drives

— Configurable Open Drain/Push-Pull

— Supports Vertical Recording Format

— 16-Byte Data FIFO

— 100% IBM® Compatibility

— Detects All Overrun and Underrun Conditions

— Sophisticated Power Control Circuitry (PCC) Including

— DMA Enable Logic

— Data Rate and Drive Control Registers

— 480 Address, Up to Eight IRQ and Four DMA Options

— Support FDD Interface on Parallel Port Pins

— 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250 Kbp Data

— Programmable Precompensation Modes

— 8042 Software Compatible

— 8 Bit Microcomputer

— 2k Bytes of Program ROM

— 256 Bytes of Data RAM

— Four Open Drain Outputs Dedicated for

— Asynchronous Access to Two Data Registers and One

— Supports Interrupt and Polling Access

— 8 Bit Counter Timer

Support for PCI Systems

Authentication

Multiple Powerdown Modes for Reduced Power

Consumption

Rates

Keyboard/Mouse Interface

Status Register

DATASHEET

■

Multiple Serial Ports

Infrared Port

Multi-Mode™ Parallel Port with ChiProtect™

Hardware Monitor

IDE Reset Output and 3 PCI Reset Buffers with

Power Button Control and AC Power Failure

Industrial (+85°C to -40°C) Temperature Range

128 Pin VTQFP Package

— Port 92 Support

— Fast Gate A20 and KRESET Outputs

— Phoenix Keyboard BIOS ROM

— SCH3112 - 2 Full Function Serial Ports

— SCH3114 - 4 Full Function Serial Ports

— SCH3116 - 4 Full Function and 2 Four-Pin Serial Ports

— High Speed NS16C550A Compatible UARTs with

— Send/Receive 16-Byte FIFOs

— Supports 230k, 460k, 921k and 1.5M Baud

— Programmable Baud Rate Generator

— Modem Control Circuitry

— 480 Address and 15 IRQ Options

— Support IRQ Sharing among serial ports

— RS485 Auto Direction Control Mode

— Multiprotocol Infrared Interface

— IrDA 1.0 Compliant

— SHARP ASK IR

— 480 Addresses, Up to 15 IRQ

— Standard Mode IBM PC/XT

— Enhanced Parallel Port (EPP) Compatible - EPP 1.7

— EEE 1284 Compliant Enhanced Capabilities Port (ECP)

— ChiProtect Circuitry for Protection

— 960 Address, Up to 15 IRQ and Four DMA Options

— Monitor Power supplies (+2.5V, +5V, +12V, Vccp

— Remote Thermal Diode Sensing for Two External

— Internal Ambient Temperature Measurement

— Limit Comparison of all Monitored Values

— Programmable Automatic FAN control based on

— nHWM_INT Pin for out-of-limit Temperature or Voltage

— Configurable offset for internal or external temperature

— Thermtrip signal for over temperature indication

Software Control Capability (SCH3112 and SCH3114

Only)

Recovery (SCH3112 and SCH3114 Only)

LPC IO with 8042 KBC,

Reset Generation, HWM

and Multiple Serial

Ports

SCH3112, SCH3114, SCH3116

Compatible Bi-directional Parallel Port

and EPP 1.9 (IEEE 1284 Compliant)

(processor voltage), VCC, Vbat and Vtr.

Temperature Measurements accurate to 1.5

temperature

Indication

channels

®,

PC/AT

Rev 0.2 (09-28-04)

, and PS/2™

Datasheet

Related parts for SCH3112I-NE

Related keywords

SCH3112I-NE datasheet
SCH3112I-NE data sheet
SCH3112I-NE pdf datasheet
SCH3112I-NE component
SCH3112I-NE part
SCH3112I-NE distributor
SCH3112I-NE RoHS
SCH3112I-NE datasheet download