xr16m890 Exar Corporation, xr16m890 Datasheet - Page 12

• Manufacturer Part Number: xr16m890
• Description: Uart With 128-byte Fifo And Integrated Level Shifters
• Manufacturer: Exar Corporation

XR16M890
UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS
F
IGURE
8. XR16M890 T
YPICAL
U A R T
UART
S
VCC_UART
V C C _ U A R T
ERIAL
RTS#
DTR#
DSR#
CTS#
GND
CD#
D S R #
RI #
D T R #
R TS #
C TS #
G N D
TX
RX
C D #
R I#
TX
R X
I
RS-485 Half-Duplex Serial Interface
NTERFACE
NC
Infrared C o nn ectio n
VCC_UART
PRELIMINARY
N C
N C
VCC_UART
V C C _U A R T
C
ONNECTIONS
12
V C C _U A R T
DI
RO
DE
RE#
Transceiver
Half-duplex
RS-485
Transceiver
TX D
R X D
IR
Y
Z
A
B
REV. P1.1.1