XR16L788IQ-F Datasheet, PDF (4/54 Pages) Exar Corporation – HIGH PERFORMANCE 2.97V TO 5.5V OCTAL UART

XR16L788
HIGH PERFORMANCE 2.97V TO 5.5V OCTAL UART
REV. 1.2.3
NAME
CD0#
RI0#
TX1
RX1
RTS1#
CTS1#
DTR1#
DSR1#
CD1#
RI1#
TX2
RX2
RTS2#
CTS2#
DTR2#
DSR2#
CD2#
RI2#
TX3
RX3
RTS3#
CTS3#
DTR3#
DSR3#
CD3#
RI3#
PIN #
97
96
85
92
87
91
86
90
89
88
80
73
78
74
79
75
76
77
72
65
70
66
71
67
68
69
TYPE
DESCRIPTION
I ^{UART channel 0 Carrier Detect or general purpose input (active low).}
I ^{UART channel 0 Ring Indicator or general purpose input (active low).}
O ^{UART channel 1 Transmit Data or infrared transmit data.}
I ^{UART channel 1 Receive Data or infrared receive data. Normal RXD input}
idles HIGH. The infrared pulses can be inverted internally prior the decoder by
FCTR[4].
O ^{UART channel 1 Request to Send or general purpose output (active low). See}
description of RTS0# pin.
I ^{UART channel 1 Clear to Send or general purpose input (active low). See}
description of CTS0# pin.
O ^{UART channel 1 Data Terminal Ready or general purpose output (active low).}
See description of DTR0# pin.
I ^{UART channel 1 Data Set Ready or general purpose input (active low). See}
description of DSR0# pin.
I ^{UART channel 1 Carrier Detect or general purpose input (active low).}
I ^{UART channel 1 Ring Indicator or general purpose input (active low).}
O ^{UART channel 2 Transmit Data or infrared transmit data.}
I ^{UART channel 2 Receive Data or infrared receive data. Normal RXD input}
idles HIGH. The infrared pulses can be inverted internally prior the decoder by
FCTR[4].
O ^{UART channel 2 Request to Send or general purpose output (active low). See}
description of RTS0# pin.
I ^{UART channel 2 Clear to Send or general purpose input (active low). See}
description of CTS0# pin.
O ^{UART channel 2 Data Terminal Ready or general purpose output (active low).}
See description of DTR0# pin.
I ^{UART channel 2 Data Set Ready or general purpose input (active low). See}
description of DSR0# pin.
I ^{UART channel 2 Carrier Detect or general purpose input (active low).}
I ^{UART channel 2 Ring Indicator or general purpose input (active low).}
O ^{UART channel 3 Transmit Data or infrared transmit data.}
I ^{UART channel 3 Receive Data or infrared receive data. Normal RXD input}
idles HIGH. The infrared pulses can be inverted internally prior the decoder by
FCTR[4].
O ^{UART channel 3 Request to Send or general purpose output (active low). See}
description of RTS0# pin.
I ^{UART channel 3 Clear to Send or general purpose input (active low). See}
description of CTS0# pin.
O ^{UART channel 3 Data Terminal Ready or general purpose output (active low).}
See description of DTR0# pin.
I ^{UART channel 3 Data Set Ready or general purpose input (active low). See}
description of DSR0# pin.
I ^{UART channel 3 Carrier Detect or general purpose input (active low).}
I ^{UART channel 3 Ring Indicator or general purpose input (active low).}
4