DME1737 Standard Microsystems Corp., DME1737 Datasheet

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DME1737

Manufacturer Part Number
DME1737
Description
Super I/o With Temperature Sensing, Quiet Auto Fan And Glue Logic
Manufacturer
Standard Microsystems Corp.
Datasheet

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Product Features
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SMSC DME1737
General Features
AC Power Failure Recovery
Watchdog Timer
2.88MB Super I/O Floppy Disk Controller
Enhanced Digital Data Separator
Serial Ports
Infrared Port
— 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
— PME Interface
— ISA Plug-and-Play Compatible Register Set
— 25 General Purpose Input/Output Pins
— System Management Interrupt
— Licensed CMOS 765B Floppy Disk Controller
— Software and Register Compatible with SMSC's
— 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
— DMA Enable Logic
— Data Rate and Drive Control Registers
— 480 Address, Up to Eight IRQ and Three DMA Options
— Support 3 Mode FDD
— 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250 Kbps Data
— Programmable Precompensation Modes
— Two Full Function Serial Ports
— High Speed NS16C550A Compatible UARTs with
— Supports 230k and 460k Baud
— Programmable Baud Rate Generator
— Modem Control Circuitry
— 480 Address and 15 IRQ Options
— Multiprotocol Infrared Interface
— IrDA 1.0 Compliant
— SHARP ASK IR
— 480 Addresses, Up to 15 IRQ
Support for PCI Systems
Proprietary 82077AA Compatible Core
Multiple Powerdown Modes for Reduced Power
Consumption
Rates
Send/Receive 16-Byte FIFOs
PRODUCT PREVIEW
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Super I/O with Temperature
Sensing, Quiet Auto Fan and
Glue Logic
DME1737
Multi-Mode™ Parallel Port with ChiProtect™
Keyboard Controller
Motherboard GLUE Logic
Fan Control
Temperature Monitor
— Standard Mode IBM PC/XT®, PC/AT®, and PS/2™
— Enhanced Parallel Port (EPP) Compatible - EPP 1.7
— IEEE 1284 Compliant Enhanced Capabilities Port
— ChiProtect Circuitry for Protection
— 960 Address, Up to 15 IRQ and Three DMA Options
— 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
— Port 92 Support
— Fast Gate A20 and KRESET Outputs
— IDE Reset Output
— (4) Buffered PCI Reset Outputs with software controlled
— 3VSB Gate and 3V Gate signal generation
— Front Panel Reset Debouncing and Power Good Signal
— Power Supply Turn On Circuitry with Support for power
— Resume Reset Signal Generation
— SMBus Isolation Circuitry (2 sets external and 1 set
— SMBus 2.0 compliant interface for Hardware Monitoring
— LED Control (2)
— 5 PWM (Pulse width Modulation) Outputs
— Low frequency and high frequency PWM support
— 6 Fan Tachometer Inputs
— Programmable automatic fan control based on
— Interrupt Pin for out-of-limit Fantach Events
— Fantach events generate PME’s and/or Speaker
— 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
— Configurable offset for internal or external temperature
Compatible Bi-directional Parallel Port
and EPP 1.9 (IEEE 1284 Compliant)
(ECP)
Keyboard/Mouse Interface
Status Register
reset capability - default transparent
Generation
button on PS/2 Keyboard
internal for Hardware Monitoring Block)
temperature
warning
warning
channels.
Rev. 05-21-04
Data Brief

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DME1737 Summary of contents

Page 1

... Address and 15 IRQ Options Infrared Port I — Multiprotocol Infrared Interface — IrDA 1.0 Compliant — SHARP ASK IR — 480 Addresses IRQ SMSC DME1737 DME1737 Super I/O with Temperature Sensing, Quiet Auto Fan and Glue Logic Multi-Mode™ Parallel Port with ChiProtect™ I — ...

Page 2

... CONTRACT; TORT; NEGLIGENCE OF SMSC OR OTHERS; STRICT LIABILITY; BREACH OF WARRANTY; OR OTHERWISE; WHETHER OR NOT ANY REMEDY OF BUYER IS HELD TO HAVE FAILED OF ITS ESSENTIAL PURPOSE, AND WHETHER OR NOT SMSC HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Rev. 05-21-04 Order Number(s): DME1737-NR for 128 pin QFP package 2 PRODUCT PREVIEW SMSC DME1737 ...

Page 3

... General Description The DME1737 is a 3.3V (Super I/O Block is 5V tolerant) PC99/PC2001 compliant Super I/O controller with an LPC interface. DME1737 also includes Hardware Monitoring capabilities, enhanced Security features, Power Control logic and Motherboard Glue logic. The DME1737's hardware monitoring capability includes temperature, voltage and fan speed monitoring ...

Page 4

... SDA2 SCLK2 s Rev. 05-21-04 WDT* Speaker WD T Internal Bus (Data, Address, and Control lines) 32 byte Security Key Register Hardware Monitor Figure 1 DME1737 Block Diagram 4 PRODUCT PREVIEW LEDs Multi-Mode PD[7,0] Parallel Port BUSY, SLCT, PE, with nERROR, nACK ChiProtect TM /FDC MUX nSTROBE, nINIT, (see nSLCTIN, nALF ...

Page 5

... Package body dimensions D1 and E1 do not include the mold protrusion. 5. Maximum mold protrusion is 0.25 mm. 6. Dimension for foot length L measured at the gauge plane 0.25 mm above the seating plane. 7. Details of pin 1 identifier are optional but must be located within the zone indicated. SMSC DME1737 Table 1 128 Pin QFP Package Parameters MAX 3.4 ...

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