PT2248 View Datasheet(PDF) - Princeton Technology
Part Name
Description
Manufacturer
PT2248 Datasheet PDF : 19 Pages
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Infrared Remote Control Transmitter
BLOCK DIAGRAM
VS S
1
XT 2
/XT 3
OSC
D Ii vi der
Tel: 886-2-66296288
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
PT2248
VCC
16
O u tput
Synthe sizing
Ci rc ui t
15 /TXOUT
K1 4
K2 5
K3 6
K4 7
K5 8
K6 9
Key
In put
Ci rc ui t
De co der
Hold Signa l
G e ner ato r
Ti min g Si gna l
G e nerati ng
Ci rc ui t
C ode Bit
Signa l
G e nerati ng
Ci rc ui t
10
11
12
T1
T2
T3
PIN CONFIGURATION
13
CODE
VSS
XT
/XT
K1
K2
K3
K4
K5
1
16
2
15
3
14
4
13
5
12
6
11
7
10
8
9
PT 2 24 8
VCC
/ TX O UT
/ TE ST
CODE
T3
T2
T1
K6
14 /TEST
PT2248 V2.7
-2-
June, 2005
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