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--Confidential, Proprietary--
Acer Laboratories Inc.
M5232P : RS-232 Chip
Page 2
06-28-1997, Document Number: 5232DS02.doc
Acer Labs: 7F, 115 Tung Hsing Street, Taipei 110, Taiwan, R.O.C.
Tel: 886-(02) 762-8800
Fax: 762-6060
3. Pin Diagram
4. Pin Description Table
Pin Name
Description
VDD
RA1
RA2
RA3
DY1
DY2
RA4
DY3
RA5
Vss
1
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
10
11
Vcc
RY1
RY2
RY3
DA1
DA2
RY4
DA3
RY5
GND
RAx
RYx
DAx
DYx
Receiver inputs
Receiver outputs
Driver inputs
Driver outputs
5. Functional Block Diagram
6. Logic Diagram
RA1
RA2
RA3
DY1
DY2
RA4
DY3
RA5
RY1
RY2
RY3
DA1
DA2
RY4
DA3
RY5
RA1
RA2
RA3
DY1
DY2
RA4
DY3
RA5
RY1
RY2
RY3
DA1
DA2
RY4
DA3
RY5