F81865F View Datasheet(PDF) - Feature Integration Technology Inc.
Part Name
Description
Manufacturer
F81865F Datasheet PDF : 128 Pages
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F81865
communicate.
GPIO33
I/OOD8
General Purpose IO.
UART Request To Send. An active low signal informs the
40
RTS3#
O8
modem or data set that the controller is ready to send
VCC data.
GPIO34
I/OOD8
General Purpose IO.
Data Set Ready. An active low signal indicates the
41
DSR3#
INt,5v
modem or data set is ready to establish a
VCC communication link and transfer data to the UART.
GPIO35
I/OOD8
General Purpose IO.
SOUT3
42
UART Serial Output. Used to transmit serial data out to
O8
VCC the communication link.
GPIO36
I/OOD8
General Purpose IO.
UART Serial Input. Used to receive serial data through
43
SIN3
INt,5v
VCC the communication link.
GPIO37
I/OOD8
General Purpose IO.
Data Carrier Detect. An active low signal indicates the
44
DCD4#
INt,5v
VCC modem or data set has detected a data carrier.
GPIO40
I/OOD8
General Purpose IO.
Ring Indicator. An active low signal indicates that a ring
45
RI4#
INt,5v
VCC signal is being received from the modem or data set.
GPIO41
I/OOD8
General Purpose IO.
46
CTS4#
INt,5v
Clear To Send is the modem control input.
VCC
GPIO42
I/OOD8
General Purpose IO.
UART Data Terminal Ready. An active low signal informs
47
DTR4#
O8
the modem or data set that controller is ready to
VCC
communicate.
GPIO43
I/OOD8
General Purpose IO.
UART Request To Send. An active low signal informs the
modem or data set that the controller is ready to send
48
RTS4#
O8,u47,5v VCC data. Internal 47k ohms pulled high and disable after
power on strapping.
GPIO44
I/OOD8
General Purpose IO.
Data Set Ready. An active low signal indicates the
49
DSR4#
INt,5v
modem or data set is ready to establish a
VCC communication link and transfer data to the UART.
GPIO45
I/OOD8
General Purpose IO.
SOUT4
50
UART Serial Output. Used to transmit serial data out to
O8
VCC the communication link.
GPIO46
I/OOD8
General Purpose IO.
UART Serial Input. Used to receive serial data through
51
SIN4
INt,5v
VCC the communication link.
GPIO47
I/OOD8
General Purpose IO.
15
May, 2010
V0.28P
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