F81866A Datasheet, PDF (13/210 Pages) Feature Integration Technology Inc. – 6 UARTs Super IO With 128 Bytes FIFO and Power

¾ Enhanced printer port back-drive current protection
F81866A
Hardware Monitor Functions
¾ 2 dual current type (±3^ºC) thermal inputs for CPU thermal diode and 2N3906 transistors
¾ Provide one local temperature
¾ Support temperature monitoring via thermistor
¾ Temperature range: -60^ºC~127^ºC
¾ 8 sets voltage monitoring (4 external and 4 internal powers)
¾ High limit signal (PME#) for Vcore
¾ 3 fan speed monitoring inputs
¾ 3 fan speed PWM/DC control outputs
¾ FANCTL 1~3 provides 4 frequency (23.5/11.75/5.875KHz, & 200Hz) select via the
registers
¾ Issue PME# and OVT# hardware signals output
¾ Case intrusion detection circuit
Support PECI 3.0
I2C Interface
¾Support slave interface to report the hardware monitor data
¾Support master interface to get the thermal data via PCH & MXM module
Support AMD TSI Interface
Keyboard Controller
¾ compatibility with the 8042
¾ Support PS/2 mouse
¾ Hardware Gate A20 and Hardware Keyboard Reset
¾ Support KB, Mouse wake up and swap function
GPIO Function
¾ Total 72 pins GPIO
¾ Interrupt status (wake up) support via GPIO0x and GPIO1x
¾ Support different SIRQ channels via GPIO0x, GPIO1x, GPIO5x and GPIO8x
¾ All GPIO supports digit IO for Input/Output control, Output data control, input status.
¾ Support High/Low Level/Pulse, Open Drain/Push Pull function selection
¾ All GPIO could be accessed via 3 ways: configuration register port (4E/2E), index/data
port and directly access to GPIO only (digital I/O). Please refer to the GPIO function
description for detail.
13
Jan, 2012
V0. 12P