XR28V384IM48-0A Datasheet, PDF (18/42 Pages) Exar Corporation – 3.3V QUAD LPC UART WITH 128-BYTE FIFO

XR28V384
REV. 1.0.0
3.3V QUAD LPC UART WITH 128-BYTE FIFO
FIGURE 10. XR28V384 TYPICAL SERIAL INTERFACE CONNECTIONS
VCC
VCC
TX
RX
RTS#
UART ^DTR#
NC
CTS#
DSR#
CD#
RI #
GND
VCC
RS-485
Transceiver Y
DI
Half-duplex
RO
Z
DE
RE#
A
B
RS-485 Half-Duplex Serial Interface
VCC
VCC
IR T X 1 #
IR R X 1 #
DTR#
NC
UART ^RTS#
NC
CTS#
DSR#
CD#
R I#
GND
VCC
IR
Transceiver
TXD
RXD
Infrared Connection
1.6 Device Reset
The PCIRST# input resets the internal registers and the serial interface outputs to their default states. The
PCIRST# assertion for general system reset may occur at any time and may be asynchronous to LCLK.
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