參數(shù)資料
型號: IT8673F
廠商: Electronic Theatre Controls, Inc.
英文描述: GT 35C 35#12 SKT PLUG
中文描述: 先進(jìn)的輸入/輸出(高級I / O)的初步規(guī)范V0.5
文件頁數(shù): 12/128頁
文件大?。?/td> 780K
代理商: IT8673F
IT8673F
2. General Description
The IT8673F is an ISA-based highly integrated I/O device. The IT8673F provides all the functions required by
legacy Super I/O and FAN Controller functionalities. The IT8673F meets the “Microsoft
PC98/99 system
design guide” requirements and is ACPI and LANDesk compliant.
The IT8673F has integrated eight logical devices, featuring an FAN Controller. The fan speed controller is
responsible to control three fan speeds through three 128 steps of Pulse Width Modulation (PWM) output pins
and to monitor three fans’ tachometer inputs.
Other features include a high-performance 2.88MB floppy disk controller with digital data separator, which is
able to support two 360K/720K/1.2M/1.44M/2.88M floppy disk drives. One multi-mode high-performance
parallel port features the bi-directional Standard Parallel Port (SPP), the Enhanced Parallel Port (EPP, V.1.7
and V.1.9 are supported), and the IEEE1284 compliant Extended Capabilities Port (ECP). Two 16C550
standard compatible enhanced UARTs perform asynchronous communication with enhanced wireless IrDA
1.0 or ASKIR protocols. One Consumer IR controller supports multiple remote control IR protocols. The I/O
device also has an integrated 8042 compatible Keyboard Controller with 2KB of programmable ROM for
customer application.
These eight logical devices can be individually enabled or disabled via software configuration registers. The
IT8673F utilizes power-saving circuitry to reduce power consumption and once a logical device is disabled the
inputs are gated, the outputs are tri-state and the input clock is disabled. The IT8673F requires just a single
24/48 MHz clock input and operates with only single +5V power supply.
The IT8673F is available in 128-pin QFP (Quad Flat package).
2
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