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MGR239

34

RESET

35

P10/T2

36

P11/T2EX

37

n.c.

38

P30/RXD

39

P31/TXD

40

P33/INT1

41

P36/WR

42

P37/RD

43

P20

44

22

21

20

19

18

17

16

15

14

13

12

P21

VUP

S2

VDDA

S1

AGND

CLK

RST

GNDRAM

VDDRAM

n.c.

n.c.

1

2

3

4

5

Y2

6

7

8

9

10

11

33

32

31

30

29

28

27

26

25

24

23

TDA8006AH

CARD READ UNIT

reset

RX

TX

14.745 MHz

C20

33 pF

C21

33 pF

C7

4.7

nF

C14

100 nF

C9

100 nF

C4

100

nF

C6

100 nF

C5

100 nF

C1

100 nF

C10

47 pF

VDD

C2

100

nF

C3

10

µF

VDD

VDD

VDD

C20

100 nF

C21

33

µF

VDD

+5 V

GND

J1

J1

1

2

R2

100 k

Ω

R1

0

Ω

C8

C7

C6

C5

C1I

C2I

C3I

C4I

K1

K2

C4

C3

C2

C1

C5I

C6I

C7I

C8I

Fig.15 Application diagram.