F81866A Datasheet, PDF (24/210 Pages) Feature Integration Technology Inc. – 6 UARTs Super IO With 128 Bytes FIFO and Power

F81866A
LED_VSB
OOD_12,5V
Power LED for VSB.
66
GPIO11
I/OOD_{12st,5v I_VSB3V} General purpose IO.
LED_VCC
OOD_12,5V
Power LED for VCC.
SCL
I_lv/OD_{12st, 5v}
I2C Interface CLOCK pin. Clock output for AMD TSI
& Intel PCH (IBX Peak).
67
GPIO12
I/OOD_12st,5v I_VSB3V General purpose IO.
IRTX
O₁₂
SIR Data Infrared Transmitter Output. UART 6 can’t
be used if this function is valid.
SDA
I_lv/OD_{12st, 5v}
I2C Interface DATA pin. AMD TSI & Intel PCH (IBX
Peak) data pin.
68
GPIO13
I/OOD_12st,5v I_VSB3V General purpose IO.
IRRX
IN_st,5v
SIR Data Infrared Receiver input. UART 6 can’t be
used if this function is valid.
GPIO14
I/OOD_12st,5v
General purpose IO.
69
ATX_AT_TRAP
IN_t,5v
I_VSB3V ^{Power on trapping: ATX emulates AT function}
1: ATX mode (Default, internal pull high 47k Ω ).
0: AT mode.
WDTRST#
70
OD_12,5v
Watch dog timer signal output.
I_VSB3V
GPIO15
I/OOD_12st,5v
General purpose IO.
Generated PME event. It supports the PCI PME#
PME#
74
OD_12,5v
interface. This signal allows the peripheral to request
I_VSB3V _{the system to wake up.}
GPIO65
I/OOD_12st,5v
General purpose IO.
ATXPG_IN
77
IN_st,5v
ATX Power Good input.
I_VSB3V
GPIO21
I/OOD_12st,5v
General purpose IO.
PWSIN#
78
IN_st,5v
Main power switch button input.
I_VSB3V
GPIO22
I/OOD_12st,5v
General purpose IO.
PWSOUT#
79
OD_12,5V
Panel Switch Output. This pin is low active and pulse
I_VSB3V output. It is power on request output#.
GPIO23
I/OOD_12st,5v
General purpose IO.
S3#
80
IN_st,5v
S3# Input is Main power on-off switch input.
I_VSB3V
GPIO24
I/OOD_12st,5v
General purpose IO.
PS_ON#
81
OD_12,5v
Power supply on-off control output. Connect to ATX
I_VSB3V power supply PS_ON# signal.
GPIO25
I/OOD_12st,5v
General purpose IO.
PWOK function, It is power good signal of VCC,
82
PWOK
OD_12,5V
VBAT
which is delayed 400ms (default) as VCC arrives at
2.8V.
GPIO26
I/OD_12st,5v
General purpose IO.
Resume Reset# function, It is power good signal of
RSMRST#
83
OD_12,5V
VBAT
3VSB, which is delayed 66ms as 3VSB arrives at
2.8V.
GPIO27
I/OD_12st,5v
General purpose IO.
It is power good signal of 5VSB which is delayed
DPWROK
86
OD_12,5v
VBAT
66ms as 5VSB arrives at 4.4V. Couple this pin to
PCH when system supports Intel DSW state function.
GPIO66
I/OD_12st,5v
General purpose IO.
24
Jan, 2012
V0. 12P