xr16m680 Exar Corporation, xr16m680 Datasheet - Page 9
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xr16m680
Manufacturer Part Number
xr16m680
Description
1.62v To 3.63v High Performance Uart With 32-byte Fifo
Manufacturer
Exar Corporation
Datasheet
1.XR16M680.pdf
(57 pages)
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Part Number
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Quantity
Price
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Manufacturer:
Exar Corporation
Quantity:
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Part Number:
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Manufacturer:
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Company:
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Manufacturer:
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REV. 1.0.0
The M680 is typically used with RS-232, RS-485 and IR transceivers. The following figure shows typical
connections from the UART to the different transceivers. For more information on RS-232 and RS-485/422
transceivers, go to www.exar.com or send an e-mail to uarttechsupport@exar.com.
F
2.2
IGURE
5. XR16M680 T
Serial Interface
UART
U A R T
YPICAL
DTR#
RTS#
DSR#
CTS#
GND
S
CD#
VCC
RI #
R S - 2 3 2 F u ll -M o d e m S e r ia l In te r fa c e
TX
RX
ERIAL
D T R #
D S R #
R T S #
C T S #
G N D
C D #
V C C
RS-485 Full-Duplex Serial Interface
R I#
T X
R X
I
1.62V TO 3.63V HIGH PERFORMANCE UART WITH 32-BYTE FIFO
NTERFACE
NC
NC
VCC
V C C
C
VCC
ONNECTIONS
9
VCC
DI
RO
DE
RE#
T r a n s c e iv e r
Transceiver
R 1 O U T
T 2 IN
T 3 IN
Full-duplex
T 1 IN
R 5 O U T
R 2 O U T
R 3 O U T
R 4 O U T
G N D
RS-485
R S -2 3 2
TX+
TX-
RX+
RX-
XR16M680