F81438 Datasheet, PDF (20/20 Pages) Feature Integration Technology Inc. – Single 5V RS232/RS422/RS485 Multiprotocol

10 Application Circuit
HOST
RI
CTS
RTS
DSR
GND
DTR
SOUT
SIN
DCD
SD
MODE_1
MODE_2
SLEW
RI
CTS
RTS
DSR
GND
DTR
SOUT
SIN
DCD
SD
MODE_1
MODE_2
SLEW
F81438
5V
DSR ₂₆
RTS ₁
SOUT ₂₈
DTR ₂₇
CTS ₁₉
RI
20
SIN ₂₁
DCD ₂₂
SD ₂₄
MODE_1 ₂
MODE_2 ₂₃
SLEW ₂₅
9
C 0.1uF
12
11
C 0.1uF
13
10
C 0.1uF
14
C 0.1uF
VCC
R1_OUT
R1_IN
T1_IN
T1_OUT
T2_IN
T2_OUT
T3_IN
T3_OUT
R2_OUT
R2_IN
R3_OUT
R3_IN
R4_OUT
R4_IN
R5_OUT
R5_IN
SD
GND
MODE_1
MODE_2
SLEW
C1+ ^F81438
C1-
C2+
C2-
V+
V-
5 ^VCC
6 ^DSR#
7 ^RTS#
17 ^SOUT#
18 ^DTR#
15 ^CTS#
16 ^RI#
4 ^SIN#
3 ^DCD#
8 ^GND
C
1.0uF
GND
5
RI#
9
DTR# 4
CTS#
8
SOUT# 3
RTS#
7
SIN#
2
DSR# 6
DCD# 1
DB9
MODE SELECTION
SD MODE_1 MODE_2 MODE
0
0
0 RS422
0
0
1 RS232
0
1
0 RS485 (default：RX)
0
1
1 RS485 (default：TX)
1
X
X SHUTDOWNMODE
Title
Size Document Number
Rev
B
F81438
A
Date:
Monday , Nov ember 07, 2011
Sheet
1
of 1
20
Jan, 2012
V0.11P