xr17v258 Exar Corporation, xr17v258 Datasheet - Page 5
xr17v258
Manufacturer Part Number
xr17v258
Description
66mhz Pci Bus Octal Uart With Power Management Support
Manufacturer
Exar Corporation
Datasheet
1.XR17V258.pdf
(70 pages)
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xr
REV. 1.0.0
PIN DESCRIPTIONS
DTR4#
DSR4#
DTR5#
DSR5#
DTR6#
DSR6#
RTS4#
CTS4#
RTS5#
CTS5#
RTS6#
CTS6#
N
CD4#
CD5#
CD6#
RI3#
RI4#
RI5#
RI6#
RX4
RX5
RX6
TX4
TX5
TX6
TX7
AME
P
95
88
81
86
82
87
83
84
85
80
71
78
72
79
75
76
77
62
55
60
56
61
57
58
59
54
IN
#
66MHZ PCI BUS OCTAL UART WITH POWER MANAGEMENT SUPPORT
T
YPE
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
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 HIGH condition. The infrared pulses can be inverted prior to decoding
by setting FCTR bit [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 Carrier Detect or general purpose input (active LOW).
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 HIGH condition. The infrared pulses can be inverted prior to decoding
by setting FCTR bit [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 Carrier Detect or general purpose input (active LOW).
UART channel 5 Ring Indicator or general purpose input (active LOW).
UART channel 6 Transmit Data or infrared transmit data.
UART channel 6 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].
UART channel 6 Request to Send or general purpose output (active LOW).
UART channel 6 Clear to Send or general purpose input (active LOW).
UART channel 6 Data Terminal Ready or general purpose output (active
LOW).
UART channel 6 Data Set Ready or general purpose input (active LOW).
UART channel 6 Carrier Detect or general purpose input (active LOW).
UART channel 6 Ring Indicator or general purpose input (active LOW).
UART channel 7 Transmit Data or infrared transmit data.
5
D
ESCRIPTION
XR17V258