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 7

Written July 1998

Application Circuit 3

(Extended Codes)

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 either be “floating” or

connected to VDD.

VDD

DOUT KO 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 I 0

K I 1

K I 2

K I3

P T 25 60 -0 0 1

Bit ‘ 1 “

KO 0

CS

Ex a m p le s :

KO 0

KI0

Bit ‘ 0 “

(N o Co n n e c tio n )

Or

E x te nde d K ey s

C u sto m C o d e S e ttin g

S ta nda rd K e ys

VD D

Flo a ti n g

IR

+

+

-

3V

47uF

45 5

KH z

2 O h m s

1K O h m s

10 0 p F

1 0 0 pF

1

59

10

12

12

14

15

16

18

19

20

22

23

24

26

27

28

30

31

32

13

17

21

25

29

6

7

8

2

3

4

36

35

34

33

37

38

39

40

44

43

42

41