Datasheet > F71883FG

F71883FG

更新时间： 2024-01-29 23:55:54

品牌	Logo	应用领域
精拓 - FINTEK		监控 PC
页数	文件大小	规格书
133页	2969K
描述
Super Hardware Monitor + LPC I/O

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中文翻译

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数据手册

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F71883FG 数据手册

F71883

1. General Description

The F71883 is the featured IO chip for PC system. Equipped with one IEEE 1284

parallel port, two UART ports, KBC, Serial Peripheral Interface (SPI), 80-Port, SIR and one

FDC. The F71883 integrated with hardware monitor, 9 sets of voltage sensor, 4 sets of

creative auto-controlling fans and 4 temperature sensor pins for the accurate dual current type

temp. measurement for CPU thermal diode or external transistors 2N3906.

The F71883 provides flexible features for multi-directional application. For instance,

supports 6/12 pins CPU VID controlling for VRM9.0/10.0/11* and CPU VID OTF (On The Fly),

provides 32 GPIO pins (multi-pin), IRQ sharing function also designed in UART feature for

particular usage and accurate current mode H/W monitor will be worth in measurement of

temperature, provides 3 modes fan speed control mechanism included Manual Mode/Speed

Mode/Temperature Mode for users’ selection Additionally, provides easy voltage sensor input

(VSI) function for sensing Vcore voltage, then output (VSO) the offset voltage for over/under

voltage change use.

Further, the F71883 supports an automatic/dynamic over-voltage function for application

of over-clocking or under-clocking. This function provides Turbo# pins by external trigger

signal to improve the CPU’s performance by voltage offset automatically when system is

going to run over-clocking or under-clocking. Due to achieve this action, suggest F75133S

Loading Gauge chip can be the part which detects system/CPU loading to decide when

issues the over-clocking/under-clocking signal for system executing. Briefly, user can gain

more features on motherboard by these two parts which improve performance and efficiency.

The F71883 also integrated SPI interface and 80-Port. The SPI interface is for BIOS

usage including bridge function and back up function, and the 80-Port is for engineering

usage. Others, the F71883 supports newest AMDSI and Intel PECI/SST interfaces for

temperature use. These features will help you more and improve product value. Finally, the

F71883 is powered by 3.3V voltage, with the LPC interface in the package of 128-QFP green

package.

2. Feature List

General Functions

¾ Comply with LPC Spec. 1.0

¾ Support DPM (Device Power Management), ACPI

¾ 6/12 VID pins for VRM9.0/10.0/11.0* and CPU VID OTF (On The Fly)

¾ Easy voltage sensor I/O (VSI/VSO) for Vcore change use.

¾ Support automatic and dynamic voltage change function (Turbo pins)

¾ Provides one FDC, two UARTs, KBC and Parallel Port

-1-

May, 2008

V0.27P

1...4 5 678 9 10...133

中文翻译

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