Princeton Technology Corp
.
Infrared Remote Control Transmitter
DESCRIPTION
Tel : 886-2-29162151
Fax : 886-2-29174598
URL:
http://www.princeton.com.tw
PT2213
PT2213 is a remote control transmitter utilizing CMOS Technology specially designed for
infrared remote control applications. PT2213 can support up to 64 function keys and provides 2
different kinds of system codes. Pin assignments and application circuit are optimized for easy
PCB Layout and low cost advantage.
FEATURES
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CMOS Technology
Low Power Consumption
Least External Components
Low Voltage Operation
Double Key Operation is provided when SEL2 is connected to VDD.
Up to 64 Function Keys provided
2 Kinds of System Codes
High Efficiency Transmission
Transmission Indication Output Pin provided
Available in 24 Pins, SO or DIP Package
APPLICATIONS
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Television
VCR
Video Disc
CD Player
AV Controller
Audio Equipment
PT2213 v1.2
Page 1
Written August 1999
Princeton Technology Corp
.
Infrared Remote Control Transmitter
PIN CONFIGURATION
K I2
K I3
K I4
K I5
K I6
K I7
REM
VDD
S E L2
OSCO
OSCI
VSS
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
Tel : 886-2-29162151
Fax : 886-2-29174598
URL:
http://www.princeton.com.tw
PT2213
K I1
K I0
S E L1
KO0
KO1
KO2
KO3
KO4
KO5
KO6
KO7
LM P
PT2213
Figure 1: Remote Output Waveform
PT2213 v1.2
Page 2
Written August 1999
Princeton Technology Corp
.
Infrared Remote Control Transmitter
APPLICATION CIRCUITS
SEL2 =HIGH (SEL2 connected to VDD)
K ey M atrix
36
40
44
48
52
56
60
64
Tel : 886-2-29162151
Fax : 886-2-29174598
URL:
http://www.princeton.com.tw
PT2213
35
39
43
47
51
55
59
63
V DD
34
38
42
46
50
54
58
62
33
37
41
45
49
53
57
61
32
31
30
29
1K O hm s
4
3
2
1
8
12
11
10
9
16
15
14
20
19
18
24
23
22
21
28
27
26
25
7
6
W ire d
(one place for inpu t lin e)
Transm ission
Indicator LED
5
13
17
S EL 1
KO0 KO 1 KO2 KO 3 KO4 KO5 KO 6 KO 7
LM P
PT2213
K I0 K I 1 K I2 K I 3 K I4 K I5 K I6 K I7
R EM
V DD S EL 2 O S C2 O S C1 V SS
455 KHz
C
C
2 O hm s
V DD =3V
N ote:
K O 0 to KO 7
K I0 to K I 7
IR
LED
+
+
47uF
Note: The suggested value of C is 100pF to 200pF.
n
n= 1 to 64
short
PCB Layout Notes:
1. Power Supply must first support the IC's "VDD" before the Supply IR LED "VDD".
2. It is recommended that the 47µF Capacitor must be placed between the IC's "Vss" and
"VDD".
PT2213 v1.2
Page 3
Written August 1999
Princeton Technology Corp
.
Infrared Remote Control Transmitter
SEL2 =HIGH (SEL2 connected to VSS)
Tel : 886-2-29162151
Fax : 886-2-29174598
URL:
http://www.princeton.com.tw
PT2213
Ke y M atrix
36
40
44
48
52
56
60
64
35
39
43
47
51
55
59
63
34
38
42
46
50
54
58
62
33
37
41
45
49
53
57
61
VD D
1K O h m s
4
3
8
12
11
10
9
16
15
14
20
19
18
24
23
22
28
27
32
31
30
29
7
6
2
1
26
25
W ired
(one pla ce for in put lin e)
Trans m issio n
Indic ator LED
5
13
17
21
S EL 1 K O 0 K O 1 K O 2 K O 3 K O 4 K O 5 K O 6 K O 7 LM P
PT2213
K I 0 K I1 K I 2 K I3 K I4 K I5 K I6 K I7
REM V DD S EL 2 OS C2 OS C1 V SS
455 K H z
C
C
2 O hm s
N ote:
KO 0 to K O 7
KI 0 to KI 7
IR
LED
+
V D D = 3V
+
47uF
n
n=1 to 64
Note: The suggested value of C is 100pF to 200pF.
K O 0 TO KO 7
S E L1
PCB Layout Notes:
1. Power Supply must first support the IC's "VDD" before the Supply IR LED "VDD".
3. It is recommended that the 47µF Capacitor must be placed between the IC's "Vss" and
"VDD".
PT2213 v1.2
Page 4
Written August 1999
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