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LPC61W492QFP

Integrated Super I/O Controller for LPC Bus with Game and MIDI Ports/Plus Hardware Monitoring Functions

SMSC -> Microchip 

!" Infrared

- Supports IrDA Version 1.0 SIR Protocol

with Maximum Baud Rate up to 115.2

Kbps

- Supports SHARP ASK IR Protocol with

Maximum Baud Rate up to 57,600 bps

- Supports Consumer IR

!" Parallel Port

- Compatible with IBM Parallel Port

- Supports PS/2 Compatible Bidirectional

Parallel Port

- Supports Enhanced Parallel Port (EPP)

! Compatible with IEEE 1284

Specification

- Supports Extended Capabilities Port

(ECP) ! Compatible with IEEE 1284

Specification

- Extension FDD Mode Supports Disk

Drive B; and Extension 2FDD Mode

Supports Disk Drives A and B Through

Parallel Port

- Enhanced Printer Port Back-Drive

Current Protection

!" Keyboard Controller

- 8042 Based with Optional F/W from

AMIKKEYTM-2

- Asynchronous Access to Two Data

Registers and One Status Register

- Software Compatibility with the 8042

- Supports PS/2 Mouse

- Supports Port 92

- Supports Both Interrupt and Polling

Modes

- Fast Gate A20 and Hardware Keyboard

Reset

- 8 Bit Timer/Counter

- Supports Binary and BCD Arithmetic

- 6 MHz, 8 MHz, 12 MHz, or 16 MHz

Operating Frequency

!" Game Port

- Supports Two Separate Joysticks

- Supports Every Joystick Two Axis (X,Y)

and Two Button (A,B) Controllers

!" MIDI Port

- Baud Rate is 31.25 Kbaud

- 16-Byte Input FIFO

- 16-Byte Output FIFO

!" General Purpose I/O Ports

- 22 Programmable General Purpose I/O

Ports

- General Purpose I/O Ports Can Serve

as Simple I/O Ports, Interrupt Steering

Inputs, Watch Dog Timer Output,

Power LED Output, Infrared I/O Pins,

KBC Control I/O Pins, Suspend LED

Output, nRSMRST Signal, PWROK

Signal, Beep Output

- Functional in Power Down Mode (GP1

only)

!" OnNow Functions

- Keyboard Wake-Up by Programmable

Keys

- Mouse Wake-Up by Programmable

Buttons

- CIR Wake-Up by Programmable Keys

- On Now Wake-Up from all of the ACPI

Sleeping States (S1-S5)

!" Hardware Monitor Functions

- Five VID Input Pins for CPU Vcore

Identification

- Three Thermal Inputs From Optionally

Remote Thermistors or 2N3904

Transistors or Pentium® II Thermal

Diode Output

- Seven Positive Voltage Inputs (Typical

for +12V, -12V, +5V, -5V, +3.3V,

VcoreA, VcoreB)

- Two Intrinsic Voltage Monitoring

(Typical for Vbat, +5VSB)

- Three Fan Speed Monitoring Inputs

- Two Fan Speed Controls

- Built in Case Open Detection Circuit

- WATCHDOG Comparison of all

Monitored Values

- Programmable Hysteresis and Setting

Points for All Monitored Items

- Over Temperature Indicate Output

- Automatic Power On Voltage Detection

Beep

2

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