PT2212 Princeton Lightwave, PT2212 Datasheet - Page 3

• Manufacturer Part Number: PT2212
• Description: Remote Control Transmitter
• Manufacturer: Princeton Lightwave

Infrared Remote Control Transmitter
APPLICATION CIRCUIT
PT2212 v1.0
Note:
n
n=1 to 32
KI 0 to KI 3
Princeton Technology Corp
KO 0 to KO 7
KI 0
SEL KO 0
KI 1
1
4
3
2
KI 2
KO 1
Page 3
8
5
7
6
Key Matrix
PT2212
KI 3 DOUT VDD
KO 2
10
12
11
9
KO 3
15
14
16
13
2 Ohms
KO 4 KO 5 KO 6 KO 7 LMP
17
19
18
20
.
NC
100pF
23
21
24
22
OSC2
25
LED
28
27
26
IR
URL: http://www.princeton.com.tw
455 KHz
100pF
32
31
30
29
OSC1
Updated June 1998
(one place for input line)
Fax : [phone]
VSS
Tel : [phone]
PT2212
47uF
Wired
+
1K Ohms
Transmission
Indicator LED
VDD=3V