F81866A Datasheet, PDF (27/210 Pages) Feature Integration Technology Inc. – 6 UARTs Super IO With 128 Bytes FIFO and Power

F81866A
120
DCD1#
IN_st,5v
Data Carrier Detect. An active low signal indicates the
3VCC
modem or data set has detected a data carrier.
Ring Indicator. An active low signal indicates that a
121
RI1#
IN_st,5v
I_VSB3V ring signal is being received from the modem or data
set. Support wake up function.
122
CTS1#
IN_st,5v
3VCC ^{Clear To Send is the modem control input.}
UART Data Terminal Ready. An active low signal
DTR1#
O₈
3VCC informs the modem or data set that controller is ready
to communicate.
123
Power on strapping pin:
1(Default): (Internal pull high 47k Ω )
FAN_40_100
IN_{t,u47, 5v}
3VCC
Power on fan speed default duty is 40%.(PWM)
0: (External pull down)
Power on fan speed default duty is 100%.(PWM)
UART Request To Send. An active low signal informs
RTS1#
O₈
3VCC the modem or data set that the controller is ready to
send data.
124
Power on strapping:
Config4E_2E
IN_{t,u47, 5v}
3VCC ^{1(internal pull high 47k Ω ,Default) Configuration}
register:4E/4F
0 Configuration register:2E/2F
Data Set Ready. An active low signal indicates the
125
DSR1#
IN_st,5v
3VCC modem or data set is ready to establish a
communication link and transfer data to the UART.
SOUT1
O₈
UART Serial Output. Used to transmit serial data out
to the communication link.
Power on strapping pin:
126
I2C_ADDR
IN_{t,u47, 5v}
3VCC
1: (internal pull high 47k Ω , default)
Power on I2C slave address is 0x5C.
0: (external pull down)
127
SIN1
IN_st,5v
3VCC
Power on I2C slave address is 0x5A.
UART Serial Input. Used to receive serial data
through the communication link.
27
Jan, 2012
V0. 12P