F81865F View Datasheet(PDF) - Feature Integration Technology Inc.
Part Name
Description
Manufacturer
F81865F Datasheet PDF : 128 Pages
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¾ 2 fan speed monitoring inputs
¾ 2 fan speed PWM/DC control outputs(support 3 wire and 4 wire fans)
¾ Issue PME# and OVT# hardware signals output
¾ Case intrusion detection circuit
¾ WATCHDOG# comparison of all monitored values
¾ Integrate Intel PECI 1.0 Interface
F81865
Serial Peripheral Interface Compatible
¾ Support SPI bridge function for BIOS use
RTC function
¾ RTC for time synchronizing.
¾ Provide 256 bytes RAM for CMOS setting save.
¾ 32.768K Crystal input
¾ Stand alone VBAT power input requirement
GPIO Function
¾ Total 53 pins GPIO
¾ Interrupt status support
¾ All GPIO can be programmed.
¾ All GPIO pins default mode are OD level input.
¾ Supports High/Low Level/Pulse, Open Drain/Push Pull function selection
Package
¾ 128-pin PQFP Green Package
Noted: Patented TW207103 TW207104 TW220442 US6788131 B1 TWI235231 TW237183
TWI263778
3. Key Specification
Supply Voltage
Operating Supply Current
3.0V to 3.6V
10 mA typ.
7
May, 2010
V0.28P
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