Diodes AZ75232 - Manual (Page 9)

9
Oct. 2009 Rev. 1. 7 BCD Semiconductor Manufacturing Limited
Data Sheet
MULTIPLE RS-232 DRIVERS AND RECEIVERS AZ75232
Typical Application
Figure 11. Typical Application of AZ75232
1
5
6
9
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
V
SS
RA5
DY3
RA4
DY2
DY1
RA3
RA2
RA1
V
DD
V
CC
RY5
DA3
RY4
DA2
DA1
RY3
RY2
RY1
GND
AZ75232
12V
C1
C2
C3
-12V
DCD
DSR
RX
RTS
TX
CTS
DTR
RI
EIA/TIA-232-F
DB9S
CONNECTOR
TTL/CMOS
Level
1
5V
UART
or
Serial µC
RI
DTR
CTS
TX
RTS
RX
DSR
DCD
Signal
Ground