XR17C158 Exar Corporation, XR17C158 Datasheet - Page 4
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XR17C158
Manufacturer Part Number
XR17C158
Description
Eight-channel Pci-based (UART)
Manufacturer
Exar Corporation
Datasheet
1.XR17C158.pdf
(51 pages)
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Pin Description
DSR1#
DSR2#
DSR3#
DSR4#
DSR5#
DTR1#
RTS2#
CTS2#
DTR2#
RTS3#
CTS3#
DTR3#
RTS4#
CTS4#
DTR4#
RTS5#
CTS5#
DTR5#
CD1#
CD2#
CD3#
CD4#
CD5#
N
RI1#
RI2#
RI3#
RI4#
RX2
RX3
RX4
RX5
TX2
TX3
TX4
TX5
AME
P
122
121
120
106
104
100
105
101
102
103
118
98
91
96
92
97
93
94
95
88
81
86
82
87
83
84
85
80
71
78
72
79
75
76
IN
99
#
T
YPE
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
UART channel 1 Data Terminal Ready or general purpose output (active low).
UART channel 1 Data Set Ready or general purpose input (active low).
UART channel 1
UART channel 1 Ring Indicator or general purpose input (active low).
UART channel 2 Transmit Data or infrared transmit data.
UART channel 2 Receive Data or infrared receive data. Normal RXD input
idles at logic 1 condition. The infrared pulses can be inverted internally prior
the decoder by FCTR[4].
UART channel 2 Request to Send or general purpose output (active low).
UART channel 2 Clear to Send or general purpose input (active low).
UART channel 2 Data Terminal Ready or general purpose output (active low).
UART channel 2 Data Set Ready or general purpose input (active low).
UART channel 2
UART channel 2 Ring Indicator or general purpose intput (active low).
UART channel 3 Transmit Data or infrared transmit data.
UART channel 3 Receive Data or infrared receive data. Normal RXD input
idles at logic 1 condition. The infrared pulses can be inverted internally prior
the decoder by FCTR[4].
UART channel 3 Request to Send or general purpose output (active low).
UART channel 3 Clear to Send or general purpose input (active low).d.
UART channel 3 Data Terminal Ready or general purpose output (active low).
UART channel 3 Data Set Ready or general purpose input (active low).
UART channel 3
UART channel 3 Ring Indicator or general purpose input (active low).
UART channel 4 Transmit Data or infrared transmit data.
UART channel 4 Receive Data or infrared receive data. Normal RXD input
idles at logic 1 condition. The infrared pulses can be inverted internally prior
the decoder by FCTR[4].
UART channel 4 Request to Send or general purpose output (active low).
UART channel 4 Clear to Send or general purpose input (active low).
UART channel 4 Data Terminal Ready or general purpose output (active low).
UART channel 4 Data Set Ready or general purpose input (active low).
UART channel 4
UART channel 4 Ring Indicator or general purpose input (active low).
UART channel 5 Transmit Data or infrared transmit data.
UART channel 5 Receive Data or infrared receive data. Normal RXD input
idles at logic 1 condition. The infrared pulses can be inverted internally prior
the decoder by FCTR[4].
UART channel 5 Request to Send or general purpose output (active low).
UART channel 5 Clear to Send or general purpose input (active low).
UART channel 5 Data Terminal Ready or general purpose output (active low).
UART channel 5 Data Set Ready or general purpose input (active low).
UART channel 5
4
Carrier Detect or general purpose input (active low).
Carrier Detect or general purpose input (active low).
Carrier Detect or general purpose input (active low).
Carrier Detect or general purpose input (active low).
Carrier Detect or general purpose input (active low).
PCI BUS OCTAL UART
D
ESCRIPTION
XR17C158
REV. 1.0.0
.