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LPC47U33X

100 Pin Enhanced Super I/O for LPC Bus with Consumer Features and SMBus Controller

SMSC -> Microchip 

LPC47U33x

100 Pin Enhanced Super I/O for LPC Bus with

Consumer Features and SMBus Controller

FEATURES

• 3.3 Volt Operation (5V Tolerant)

Modes for Reduced Power

• LPC Interface

Consumption

• Floppy Disk Controller (Supports 2 FDCs)

- DMA Enable Logic

• Multi-Mode Parallel Port

- Data Rate and Drive Control Registers

• One Full Function UART

- 480 Address, up to 15 IRQ and 3 DMA

• MPU-401 MIDI UART

Options

• 8042 Keyboard Controller

• Enhanced Digital Data Separator

• Dual Game Port

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

• SMBus Controller

250 Kbps Data Rates

• Programmable Wakeup Event Interface

- Programmable Precompensation

(nIO_PME Pin)

Modes

• SMI Support (nIO_SMI Pin)

• Keyboard Controller

• GPIO Pins (37)

- 8042 Software Compatible

• Fan Speed Control Output

- 8-Bit Microcomputer

• Fan Tachometer Input

- 2k Bytes of Program ROM

• ISA IRQ to Serial IRQ Conversion

- 256 Bytes of Data RAM

• XNOR Chain

- Four Open Drain Outputs Dedicated for

• PC99 and ACPI 1.0 Compliant

Keyboard/Mouse Interface

• ISA Plug-and-Play Compatible Register Set

- Asynchronous Access to Two Data

• Intelligent Auto Power Management

Registers and One Status Register

• 2.88MB Super I/O Floppy Disk Controller

- Supports Interrupt and Polling Access

- Licensed CMOS 765B Floppy Disk

- 8-Bit Counter Timer

Controller

- Port 92 Support

- Software and Register Compatible with

- Fast Gate A20 and KRESET Outputs

SMSC's Proprietary 82077AA

• Serial Port

Compatible Core

- One Full Function Serial Port

- Configurable Open Drain/Push-Pull

- High Speed NS16C550 Compatible

Output Drivers

UART with Send/Receive 16-Byte

- Supports Vertical Recording Format

FIFOs

- 16-Byte Data FIFO

- 100% IBM® Compatibility

- Supports 230k and 460k Baud

- Programmable Baud Rate Generator

- Detects All Overrun and Underrun

- Modem Control Circuitry

Conditions

- 480 Address and 15 IRQ Options

- Sophisticated Power Control Circuitry

- Second UART for MPU-401 MIDI

(PCC) Including Multiple Powerdown

Interface

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