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See Technical Specifications

DME1737-NW +BOM

I/O Controller Interface IC Super I/O

Manufacturer:

MICROCHIP
Mfr.Part #:

DME1737-NW
Datasheet:

DME1737-NW Datasheet (PDF)
Part Life Cycle Code:

Obsolete
Reach Compliance Code:

compliant
EDA/CAD Models:

Request Free CAD Models for DME1737-NW

DME1737-NW General Description

I/O Controller Interface 128-QFP (14x20)

Key Features

General Features
— 3.3 Volt Operation (SIO Block is 5 Volt Tolerant)
— LPC Interface
— Programmable Wake-up Event Interface
— PC99, PC2001 Compliant
— ACPI 2.0 Compliant
— Multiplexed Command, Address and Data Bus
— Serial IRQ Interface Compatible with Serialized IRQ Support for PCI Systems
— PME Interface
— ISA Plug-and-Play Compatible Register Set
— 25 General Purpose Input/Output Pins
— System Management Interrupt
AC Power Failure Recovery
Watchdog Timer
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-PullOutput 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
— 480 Address, Up to Eight IRQ and Three DMA Options
— Support 3 Mode FDD
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 NS16C550A Compatible UARTs with Send/Receive 16-Byte FIFOs
— Supports 230k and 460k Baud
— Programmable Baud Rate Generator
— Modem Control Circuitry
— 480 Address and 15 IRQ Options
Infrared Port
— Multiprotocol Infrared Interface
— IrDA 1.0 Compliant
— SHARP ASK IR
— 480 Addresses, Up to 15 IRQ
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
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
Motherboard GLUE Logic
— IDE Reset Output
— (4) Buffered PCI Reset Outputs with software controlled reset capability - default transparent
— 3VSB Gate and 3V Gate signal generation
— Front Panel Reset Debouncing and Power Good Signal Generation
— Power Supply Turn On Circuitry with Support for power button on PS/2 Keyboard
— Resume Reset Signal Generation
— SMBus Isolation Circuitry (2 sets external and 1 set internal for Hardware Monitoring Block)
— SMBus 2.0 compliant interface for Hardware Monitoring
— LED Control (2)
Fan Control
— 5 PWM (Pulse width Modulation) Outputs
— Low frequency and high frequency PWM support
— 6 Fan Tachometer Inputs
— Programmable automatic fan control based on temperature
— Interrupt Pin for out-of-limit Fantach Events
— Fantach events generate PME’s and/or Speaker warning
Temperature Monitor
— Monitoring of Two Remote Thermal Diodes
— Internal Ambient Temperature Measurement
— Limit Comparison of all Monitored Values
— Interrupt Pin for out-of-limit Temperature Indication
— Thermal events generate PME’s and/or Speaker warning
— Configurable offset for internal or external temperature channels