Princeton Technology Corp.

Tel: 886-2-29162151

Fax: 886-2-29174598

URL: http://www.princeton.com.tw

Infrared Remote Control Transmitter

PT2560

PT2560 v 2.0

Page 13

Written July 1998

Application Circuit 6

(

Double Key Operation)

VD D

DO UT K O 0

K O 1

K O 2

K O 3

K O 4

K O 5

K O 6

K O 7

V S S

T E S T

S E L O S C 1

O S C 2

C S

K I0

K I 1

K I 2

K I3

P T 25 60-0 0 3

Bit ‘1 “

KO 0

E xam p les :

KO 0

KO 5

CS

KI0

CS

B it ‘0 “

(N o C onne c tion)

Or

C u s tom C ode S e ttin g

D o uble K e y

IR

+

+

-

3V

47 uF

45 5

KH z

100pF

100pF

1 K Oh m s

2 O h m s

1

2

37

8

5

6

4

9

10

11

12

16

15

13

17

21

33

34

35

22

23

24

29

25

26

30

32

31

28

27

18

19

20

14

Note: Please take note that if you are replacing M50560 with PT2560, you do not need to connect an

external capacitor to PT2560's Pin No. 3 (SEL PIN). PT2560 SEL Pin must be connected to the Ground.