F81865F View Datasheet(PDF) - Feature Integration Technology Inc.

Part Name

Description

Manufacturer

F81865F

Super IO with 6 UARTs

Feature Integration Technology Inc. 

F81865

Power supply on-off control output. Connect to ATX

81

PS_ON#

OD12-5v VSB power supply PS_ON# signal.

GPIO25

I/OOD12t

General purpose IO.

PWROK function, It is power good signal of VCC,

82

PWROK

OD12

which is delayed 400ms (default) as VCC arrives at

VBAT

2.8V.

GPIO26

I/OOD12t

General purpose IO.

Resume Reset# function, It is power good signal of

83

RSMRST#

OD12 VBAT VSB, which is delayed 66ms as VSB arrives at 2.8V.

GPIO27

I/OOD12t

General purpose IO.

6.9 KBC Function

Pin No.

34

Pin Name

KBRST#

35

GA20

63

KDATA

64

KCLK

61

MDATA

62

MCLK

Type

PWR

OD16,u10,5V VCC

OD16,u10,5V VCC

I/OD16t,5V

I/OD16t,5V

I/OD16t,5V

I/OD16t,5V

VSB

VSB

VSB

VSB

Description

Keyboard reset. This pin is high after system reset.

Internal pull high 3.3V with 10k ohms.

Gate A20 output. This pin is high after system reset.

Internal pull high 3.3V with 10k ohms.

PS/2 Keyboard Data.

PS/2 Keyboard Clock.

PS/2 Mouse Data.

PS/2 Mouse Clock.

6.10 RTC Function

Pin No.

86

Pin Name

RTC_X1

Type

AIN

87

RTC_X2

AOUT

PWR

RTC_

VBAT

RTC_

VBAT

Description

RTC 32.768KHz crystal input.

RTC 32.768KHz crystal output.

19

May, 2010

V0.28P

Share Link: