IT8673F View Datasheet(PDF) - ITE Tech. INC.

Part Name

Description

Manufacturer

IT8673F

Advanced Input / Output (Advanced I/O)

ITE Tech. INC. 

Preliminary V0.5

Specifications subject to Change without Notice

1. Features

PC98/99, ACPI & LANDesk Compliant

− ISA Plug and Play register set compatible

− ACPI V. 1.0 and LANDesk 3.1 compliant

− Supports eight logical devices

− 16-bit address decoding

− Three selectable DMA channels

− PC98/99 I/O solution

− Supports IRQ sharing

Fan Controller

− Provides FAN ON/OFF and speed control

− Up to 3 programmable Pulse Width Modulation

(PWM) FAN control outputs

− Each PWM output supports 128 steps of PWM

modes

− Up to 3 Fan tachometer inputs

2 Serial Ports

− Supports two standard 16C550 UARTs

− UART2 also supports IrDA 1.0 (SIR) and

ASKIR infrared protocols

− Supports MIDI baud rate

IEEE 1284 Parallel Port

− Standard mode—Bi-directional SPP

− Enhanced mode—EPP V. 1.7 and EPP V. 1.9

compliant

− High speed mode—ECP, IEEE 1284 compliant

− Backdrive current reduction

− Printer power-on damage reduction

Floppy Disk Controller

− Enhanced digital data separator

− Drives A and B can be logically swapped via

registers

− 3-Mode drive supported

− Supports automatic write protection via

software

IT8673F

Advanced Input/Output (Advanced I/O)

ITPM-PN-200211 Joseph, April 8, 2002

− Supports two 360K/720K/1.2M/1.44M/2.88M

floppy disk drives

Keyboard Controller

− 8042 compatible

− 2KB programmable ROM

− 256-byte data RAM

− GateA20 and Keyboard reset output

− Supports keylock function (Thru GPIO)

− Supports PS/2 mouse

− Supports any key, or 2-5 sequential keys, or

1-3 simultaneous keys keyboard power-on

feature

− Supports mouse double-click and/or mouse

move power on event

Consumer Remote Control (TV Remote) IR

8 General Purpose I/O Pins

− Input mode supports either switch de-bounce

− Output mode supports 2 sets of programmable

LED blinking periods

Chasis Open Detection Support

Serial IRQ Support

ITE innovative automatic power-failure

resume & power button De-bounce

Vbat & Vcch Support

Single 24 MHz or 48 MHz Clock Input

Single +5V Power Supply

128-pin QFP

1

Share Link: