XR16L788_05 Datasheet, PDF (5/54 Pages) Exar Corporation – HIGH PERFORMANCE 2.97V TO 5.5V OCTAL UART

xr
REV. 1.2.2
NAME
TX4
RX4
PIN #
64
57
RTS4#
62
CTS4#
58
DTR4#
63
DSR4#
59
CD4#
60
RI4#
61
TX5
56
RX5
49
RTS5#
54
CTS5#
50
DTR5#
55
DSR5#
51
CD5#
52
RI5#
53
TX6
46
RX6
39
RTS6#
44
CTS6#
40
DTR6#
45
DSR6#
41
CD6#
42
RI6#
43
TX7
38
XR16L788
HIGH PERFORMANCE 2.97V TO 5.5V OCTAL UART
TYPE
DESCRIPTION
O ^{UART channel 4 Transmit Data or infrared transmit data.}
I ^{UART channel 4 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 4 Request to Send or general purpose output (active low). See}
description of RTS0# pin.
I ^{UART channel 4 Clear to Send or general purpose input (active low). See}
description of CTS0# pin.
O ^{UART channel 4 Data Terminal Ready or general purpose output (active low).}
See description of DTR0# pin.
I ^{UART channel 4 Data Set Ready or general purpose input (active low). See}
description of DSR0# pin.
I ^{UART channel 4 Carrier Detect or general purpose input (active low).}
I ^{UART channel 4 Ring Indicator or general purpose input (active low).}
O ^{UART channel 5 Transmit Data or infrared transmit data.}
I ^{UART channel 5 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 5 Request to Send or general purpose output (active low). See}
description of RTS0# pin.
I ^{UART channel 5 Clear to Send or general purpose input (active low). See}
description of CTS0# pin.
O ^{UART channel 5 Data Terminal Ready or general purpose output (active low).}
See description of DTR0# pin.
I ^{UART channel 5 Data Set Ready or general purpose input (active low). See}
description of DSR0# pin.
I ^{UART channel 5 Carrier Detect or general purpose input (active low).}
I ^{UART channel 5 Ring Indicator or general purpose input (active low).}
O ^{UART channel 6 Transmit Data or infrared transmit data.}
I ^{UART channel 6 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 6 Request to Send or general purpose output (active low). See}
description of RTS0# pin.
I ^{UART channel 6 Clear to Send or general purpose input (active low). See}
description of CTS0# pin.
O ^{UART channel 6 Data Terminal Ready or general purpose output (active low).}
See description of DTR0# pin.
I ^{UART channel 6 Data Set Ready or general purpose input (active low). See}
description of DSR0# pin.
I ^{UART channel 6 Carrier Detect or general purpose input (active low).}
I ^{UART channel 6 Ring Indicator or general purpose input (active low).}
O ^{UART channel 7 Transmit Data or infrared transmit data.}
5