IT8720F

특징

• Low Pin Count Interface
• − Comply with Intel Low Pin Count Interface Specification Rev. 1.0
• − Supports LDRQ#, SERIRQ protocols
• − Supports PCI PME# Interfaces
• ACPI & LANDesk Compliant
• − ACPI V. 1.0 compliant
• − Register sets compatible with “Plug and Play ISA Specification V. 1.0a”
• − LANDesk 3.X compliant
• − Supports 12 logical devices
• EC Controller
• − 1 chassis open detection input with low power Flip-Flop backed by the battery
• − Watch Dog comparison of all monitored values
• − Provides VID0 – VID5 support for the CPU
• Fan Speed Controller
• − Provides fan on-off and PWM control
• − Supports 5 programmable Pulse Width Modulation (PWM) outputs
• − 128 steps of PWM modes
• − Monitors 5 fan tachometer inputs
• Two 16C550 UARTs
• − Supports two standard Serial Ports
• − Supports IrDA 1.0/ASKIR protocols
• − Supports Smart Card Reader protocols
• Smart Card Reader
• − Compliant with Personal Computer Smart Card (PC/SC) Working Group standard
• − Compliant with smart card (ISO 7816) protocols
• − Supports card present detect
• − Supports Smart Card insertion power-on feature
• − Supports one programmable clock frequency, and 7.1 MHz and 3.5 MHz (Default) card clocks
• Consumer Remote Control (TV remote) IR with power-up feature
• IEEE 1284 Parallel Port
• − Standard mode -- Bi-directional SPP compliant
• − Enhanced mode -- EPP V. 1.7 and V. 1.9 compliant
• − High speed mode -- ECP, IEEE 1284 compliant
• − Back-drive current reduction
• − Printer power-on damage reduction
• − Supports POST (Power-On Self Test) Data Port
• Floppy Disk Controller
• − Supports two 360K/ 720K/ 1.2M/ 1.44M/ 2.88M floppy disk drives
• − Enhanced digital data separator
• − 3-Mode drives supported
• − Supports automatic write protection via software
• Keyboard Controller
• − 8042 compatible for PS/2 keyboard and mouse
• − 2KB of custom ROM and 256-byte data RAM
• − GateA20 and Keyboard reset output
• − Supports any key, or 2-5 sequential keys, or 1-3 simultaneous keys keyboard power-on events
• − Supports mouse double-click and/or mouse move power on events
• − Supports Keyboard and Mouse I/F hardware auto-swap
• Game Port
• − Built-in 558 quad timers and buffer chips
• − Supports direct connection of two joysticks
• Dedicated MIDI Interface
• − MPU-401 UART mode compatible
• 38 General Purpose I/O Pins
• − Input mode supports either switch de-bounce or programmable external IRQ input routing
• − Output mode supports 2 sets of programmable LED blinking periods
• External IRQ Input Routing Capability
• − Provides IRQ input routing through GPIO input mode
• − Programmable registers for IRQ routing
• Watch Dog Timer
• − Time resolution 1 minute or 1 second, maximum 255 minutes or 255 seconds
• − Output to KRST# when expired
• ITE innovative automatic power-failure resume and power button de-bounce
• Dedicated Infrared pins
• VCCH and Vbat Supported
• Built-in 32.768 KHz Oscillator
• Single 24/48 MHz Clock Input
• +5V Power Supply
• 128-pin QFP

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