FDC37B72X View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

Manufacturer

FDC37B72X

128 Pin Enhanced Super I/O Controller with ACPI Support

SMSC -> Microchip 

FDC37B72x

128 Pin Enhanced Super I/O Controller with

ACPI Support

FEATURES

• 5 Volt Operation

• PC98/99 and ACPI 1.0 Compliant

• Battery Back-up for Wake-Events

• ISA Host Interface

• ISA Plug-and-Play Compatible Register

Set

- 12 IRQ Options

- 15 Serial IRQ Options

- 16 Bit Address Qualification

- Four DMA Options

- 12mA AT Bus Drivers

• BIOS Buffer

• 20 GPI/O Pins

• 32 kHz Standby Clock Output

• Soft Power Management

• ACPI/PME Support

• SCI/SMI Support

- Watchdog timer

- Power Button Override Event

- Either Edge Triggered Interrupts

• Intelligent Auto Power Management

- Shadowed Write-only Registers

- Programmable Wake-up Event

Interface

• 8042 Keyboard Controller

- 2K Program ROM

- 256 Bytes Data RAM

- Asynchronous Access to Two Data

Registers and One Status Register

- Supports Interrupt and Polling

Access

- 8 Bit Timer/Counter

- Port 92 Support

- Fast Gate A20 and Hardware Keyboard

Reset

• 2.88MB Super I/O Floppy Disk Controller

- Relocatable to 480 Different Addresses

- Licensed CMOS 765B Floppy Disk

Controller

- Advanced Digital Data Separator

- SMSC's Proprietary 82077AA

Compatible Core

- Sophisticated Power Control Circuitry

(PCC) Including Multiple Powerdown

Modes for Reduced Power Consumption

- Supports Two Floppy Drives Directly

- Software Write Protect

- FDC on Parallel Port

- Low Power CMOS Design

- Supports Vertical Recording Format

- 16 Byte Data FIFO

- 100% IBM® Compatibility

- Detects All Overrun and Underrun

Conditions

- 24mA Drivers and Schmitt Trigger Inputs

• Enhanced FDC Digital Data Separator

- Low Cost Implementation

- No Filter Components Required

- 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps,

250 Kbps Data Rates

- Programmable Precompensation Modes

• Serial Ports

- Relocatable to 480 Different Addresses

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