F81867 Datasheet, PDF (27/315 Pages) Feature Integration Technology Inc. – 6 UARTs μSuper IO With 128 Bytes FIFO and Power Saving Functions

F81867
UART Request To Send. An active low signal informs
RTS3#
40
O₈
the modem or data set that the controller is ready to
3VCC _{send data.}
GPIO34
I/OOD_{8st, 5v}
General Purpose IO.
Data Set Ready. An active low signal indicates the
DSR3#
41
IN_st,5v
modem or data set is ready to establish a
3VCC _{communication link and transfer data to the UART.}
GPIO35
I/OOD_{8st, 5v}
General Purpose IO.
SOUT3
42
UART Serial Output. Used to transmit serial data out
O₈
3VCC ^{to the communication link.}
GPIO36
I/OOD_{8st, 5v}
General Purpose IO.
SIN3
43
IN_st,5v
UART Serial Input. Used to receive serial data
3VCC ^{through the communication link.}
GPIO37
I/OOD_{8st, 5v}
General Purpose IO.
DCD4#
44
IN_st,5v
Data Carrier Detect. An active low signal indicates the
3VCC ^{modem or data set has detected a data carrier.}
GPIO40
I/OOD_{8st, 5v}
General Purpose IO.
Ring Indicator. An active low signal indicates that a
RI4#
45
IN_st,5v
ring signal is being received from the modem or data
3VCC _set.
GPIO41
I/OOD_{8st, 5v}
General Purpose IO.
CTS4#
46
IN_st,5v
Clear To Send is the modem control input.
3VCC
GPIO42
I/OOD_{8st, 5v}
General Purpose IO.
UART Data Terminal Ready. An active low signal
DTR4#
47
O₈
informs the modem or data set that controller is ready
3VCC
to communicate.
GPIO43
I/OOD_{8st, 5v}
General Purpose IO.
UART Request To Send. An active low signal informs
RTS4#
48
O₈
the modem or data set that the controller is ready to
3VCC _{send data.}
GPIO44
I/OOD_{8st, 5v}
General Purpose IO.
Data Set Ready. An active low signal indicates the
DSR4#
49
IN_st,5v
modem or data set is ready to establish a
3VCC _{communication link and transfer data to the UART.}
GPIO45
I/OOD_{8st, 5v}
General Purpose IO.
SOUT4
50
UART Serial Output. Used to transmit serial data out
O₈
3VCC ^{to the communication link.}
GPIO46
I/OOD_{8st, 5v}
General Purpose IO.
SIN4
51
IN_st,5v
UART Serial Input. Used to receive serial data
3VCC ^{through the communication link.}
GPIO47
I/OOD_{8st, 5v}
General Purpose IO.
120
DCD1#
IN_st,5v
Data Carrier Detect. An active low signal indicates the
3VCC
modem or data set has detected a data carrier.
121
RI1#
IN_st,5v
Ring Indicator. An active low signal indicates that a
I_VSB3V _{ring signal is being received from the modem or data}
27
Dec, 2011
V0.12P