XR17V254
4
66MHZ PCI BUS QUAD UART WITH POWER MANAGEMENT SUPPORT
REV. 1.0.1
DTR0#
126
O
UART channel 0 Data Terminal Ready or general purpose output (active
LOW).
DSR0#
130
I
UART channel 0 Data Set Ready or general purpose input (active LOW).
CD0#
129
I
UART channel 0 Carrier Detect or general purpose input (active LOW).
RI0#
128
I
UART channel 0 Ring Indicator or general purpose input (active LOW).
TX1
106
O
UART channel 1 Transmit Data or infrared transmit data.
RX1
99
I
UART channel 1 Receive Data or infrared receive data. Normal RXD input
idles at HIGH condition. The infrared pulses can be inverted prior to decoding
by setting FCTR bit [4].
RTS1#
104
O
UART channel 1 Request to Send or general purpose output (active LOW).
CTS1#
100
I
UART channel 1 Clear to Send or general purpose input (active LOW).
DTR1#
105
O
UART channel 1 Data Terminal Ready or general purpose output (active
LOW).
DSR1#
101
I
UART channel 1 Data Set Ready or general purpose input (active LOW).
CD1#
102
I
UART channel 1 Carrier Detect or general purpose input (active LOW).
RI1#
103
I
UART channel 1 Ring Indicator or general purpose input (active LOW).
TX2
88
O
UART channel 2 Transmit Data or infrared transmit data.
RX2
81
I
UART channel 2 Receive Data or infrared receive data. Normal RXD input
idles at HIGH condition. The infrared pulses can be inverted prior to decoding
by setting FCTR bit [4].
RTS2#
86
O
UART channel 2 Request to Send or general purpose output (active LOW).
CTS2#
82
I
UART channel 2 Clear to Send or general purpose input (active LOW).
DTR2#
87
O
UART channel 2 Data Terminal Ready or general purpose output (active
LOW).
DSR2#
83
I
UART channel 2 Data Set Ready or general purpose input (active LOW).
CD2#
84
I
UART channel 2 Carrier Detect or general purpose input (active LOW).
RI2#
85
I
UART channel 2 Ring Indicator or general purpose input (active LOW).
TX3
62
O
UART channel 3 Transmit Data or infrared transmit data.
RX3
55
I
UART channel 3 Receive Data or infrared receive data. Normal RXD input
idles at HIGH condition. The infrared pulses can be inverted prior to decoding
by setting FCTR bit [4].
RTS3#
60
O
UART channel 3 Request to Send or general purpose output (active LOW).
CTS3#
56
I
UART channel 3 Clear to Send or general purpose input (active LOW).
DTR3#
61
O
UART channel 3 Data Terminal Ready or general purpose output (active
LOW).
DSR3#
57
I
UART channel 3 Data Set Ready or general purpose input (active LOW).
CD3#
58
I
UART channel 3 Carrier Detect or general purpose input (active LOW).
PIN DESCRIPTIONS
NAME
PIN #TYPE
DESCRIPTION