Datasheet > F71858AD

F71858AD

更新时间： 2022-11-02 18:03:23

品牌	Logo	应用领域
精拓 - FINTEK		监控
页数	文件大小	规格书
80页	1762K
描述
Hardware Monitor, KBC with GPIO & ACPI

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F71858AD 数据手册

F71858AD

1. General Description

The F71858AD is hardware KBC integrating the ACPI, temperature sensing and fan control

functions specific for the legacy free MB application. The KBC functions include one keyboard and

®-

one PS/2 mouse, and can be used with IBM compatible personal computers or PS/2-based

systems. The controller receives serial data from the keyboard or PS/2 mouse, checks the parity of

the data, and presents the data to the system as a byte of data in its output buffer. The controller will

assert an interrupt to the system when data are placed in its output buffer.

The F71858AD provides the ACPI control signals as well such as S3 state, resume reset, 12

pins GPIO, WDT, PCI reset outputs or power OK signals. The power LED is programmable and

compliant with PC2001.

As to the environment sensing functions, F71858AD provides 2 remote analog dual current

temp. sensing inputs and one internal local temperature sensing. One HW_IRQ (alert signal) will

be issued while the temperature is over the programmable limit. 4 fan monitoring inputs and 3 fan

controlling outputs provide Fintek’s patented auto-fan controlling features. Besides, the F71858AD

supports AMD TSI and Intel PECI/SST interfaces for next generation CPU temp. sensing

technology.

F71858AD is in LPC interface and powered by 3VCC, 3V standby, and battery. The package is

in 48 pin LQFP Green Package.

2. Feature List

General Functions

¾ Comply with LPC Spec. 1.1

¾ Hardware Keyboard Controller support one PS/2 keyboard and one PS/2 mouse

¾ Hardware Gate A20 and Hardware Keyboard Reset

¾ Support ACPI 3.0

¾ 12 GPIO Pins

¾ WDT signal

¾ HWM functions (Also support PECI fan control mechanism)

KBC

¾ LPC interface support serial interrupt channel 1, 12.

¾ Two 16bit Programmable Address fully decoder, default 0x60 and 0x64.

¾ Support two PS/2 interface, one for PS/2 mouse and the other for keyboard.

Aug, 2010

V0.12P

1 2 345 6 7...80

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