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MGR440

+1.5 V

1.5 V

3 V

+1.5 V

+1.5 V

3 V

3 V

C5I

C6I

C7I

C8I

C1I

C1

C5

C2

C6

C3

C7

C4

C8

C2I

C3I

C4I

CARD READER

K1

(1)

K2

VCC

P0-0

1

P1-0

P1-1

P1-2

P1-3

P1-4

P1-5

P1-6

P1-7

RST

P3-2

P3-1

P3-0

P3-3

P3-4

P3-5

P3-6

P3-7

XTAL2

XTAL1

VSS

40

P0-1

2

39

P0-2

3

38

P0-3

4

37

P0-4

5

36

P0-5

6

35

P0-6

7

34

P0-7

8

33

EA

9

32

ALE

10

31

PSEN

11

30

P2-7

12

29

13

28

14

27

15

26

16

25

17

24

18

23

P2-0

P2-1

P2-2

P2-3

P2-4

P2-5

P2-6

19

22

20

21

33

pF

33 pF

10

nF

10

µF

100 nF

100 nF

100 nF

14.74 MHz

24

23

22

21

20

19

18

17

16

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

TDA8003TS

SIMCLK

SAD1

SAD0

SDA

VDDI

SCL

SIMI/O

DEL

VDDS

RST

PRES

SIMERR

S1

PGND

S3

VDDP

S4

S2

VUP

I/O

SGND

CLK

VCC

PWROFF

100 nF

100

nF

100 nF

100 nF

0

Ω

2.2

µF

100 nF

+1.5 to +6 V

1.5 to 6 k

Ω

1.5 to 6 k

Ω

Fig.7 Application diagram.

(1) The switch is normally closed when the card is not present.