IT8712F, IT8712F-A, IT8712F-A GXS Selling Leads, Datasheet
MFG:ITE Package Cooled:QFP D/C:03+
IT8712F, IT8712F-A, IT8712F-A GXS Datasheet download
Part Number: IT8712F
MFG: ITE
Package Cooled: QFP
D/C: 03+
IT8712F, IT8712F-A, IT8712F-A GXS
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Info of IT8712F
Info of IT8712F-A
Info of IT8712F-A GXS
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About IT8712F
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Datasheet: IT8712F
File Size: 945322 KB
Manufacturer: Integrated Technology
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About IT8152FG
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Datasheet: IT8152FG
File Size: 11031 KB
Manufacturer: ITE
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About IT8152FG
PDF/DataSheet Download
Datasheet: IT8152FG
File Size: 11031 KB
Manufacturer: ITE
Download : Click here to Download
IT8712F General Description
The IT8712F is a Low Pin Count Interface-based highly integrated Super I/O. The IT8712F provides the most commonly used legacy Super I/O functionality plus the latest Environment Control initiatives, such as H/WMonitor, Fan Speed Controller, ITE's "SmartGuardian" function and Smart Card Reader Interface. Thedevice's LPC interface complies with Intel "LPC Interface Specification Rev. 1.0". The IT8712F is ACPI & LANDesk compliant.
The IT8712F features the enhanced hardware monitor providing 3 thermal inputs from remote thermal resistors, or thermal diode or diode-connected transistor (2N3094). The device also provides the ITE innovative intelligent automatic Fan ON/OFF & speed control functions (SmartGuardian) to protect the system, reducing the system noise and power consumption. It also features a PC/SC and ISO 7816 compliant Smart Card Reader.
The IT8712F contains one game port which supports 2 joysticks, 1 MIDI port, and 1 Fan Speed Controller. The fan speed controller is responsible to control 5 fan speeds through three 128 steps of Pulse Width Modulation (PWM) output pins and to monitor five FANs' Tachometer inputs. It also features two 16C550 UARTs, one IEEE 1284 Parallel Port, one Floppy Disk Controller and one 8042 Keyboard Controller.
The IT8712F has integrated 12 logical devices. One high-performance 2.88MB floppy disk controller, with digital data separator, supports two 360K/ 720K/ 1.2M/ 1.44M/ 2.88M floppy disk drives. One multi-mode highperformance parallel port features the bi-directional Standard Parallel Port (SPP), the Enhanced Parallel Port (EPP V. 1.7 and EPP V. 1.9 are supported), and the IEEE 1284 compliant Extended Capabilities Port (ECP). Two 16C550 standard compatible enhanced UARTs perform asynchronous communication, and also support either IR or MIDI interfaces. One game port with built-in 558 quad timers and uffer chips supports direct connection of 2 joysticks. The device also features one MPU-401 UART mode compatible MIDI port, one fan speed controller responsible for controlling / monitoring 5 fans and 5 GPIO ports (38 GPIO pins). The IT8712F also has an integrated 8042 compatible Keyboard Controller with 2KB of programmable ROM for customer application.
hese 12 logical devices can be individually enabled or disabled via software configuration registers. The IT8712F utilizes power-saving circuitry to reduce power consumption, and once a logical device is disabled the inputs are gated inhibit, the outputs are tri-state, and the input clock is disabled. The device requires a single 24/48 MHz clock input and operates with +5V power supply. The IT8712F is available in 128-pin QFP (Quad Flat Package).
IT8712F Features
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
Enhanced Hardware Monitor
− Built-in 8-bit Analog to Digital Converter
− 3 thermal inputs from remote thermal resistor or thermal diode or diode-connected transistor
− 8 voltage monitor inputs (VBAT is measured internally.)
− 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 SmartGuardian Controller
− Provides programmable fan speed automatic control
− Supports mix-and-match for temperature inputs and fan speed control outputs
− Overrides fan speed controller during catastrophic situations
− Provides over temperature beep tone warning
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 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
− 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
Enhanced Hardware Monitor
− Built-in 8-bit Analog to Digital Converter
− 3 thermal inputs from remote thermal resistor or thermal diode or diode-connected transistor
− 8 voltage monitor inputs (VBAT is measured internally.)
− 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 SmartGuardian Controller
− Provides programmable fan speed automatic control
− Supports mix-and-match for temperature inputs and fan speed control outputs
− Overrides fan speed controller during catastrophic situations
− Provides over temperature beep tone warning
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 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
IT8712F Connection Diagram
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