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V DD
J1 1
3.3 V or 5 V
C1
C2
100 nF
10 F
ground
J1 2
C4
C8
C3
C7
C2
C6
C1
C5
100 nF
C5I
C1I
C6I
C2I
C7I
C3I
C8I
C4I
CARD READ
(1)
K1
K2
TDA8002C should be placed as close as possible to the card reader.
(1) Contact normally open.
(2) C3 close to pin V
of TDA8002C.
CC
(3) C4 close to C1 contact of card reader.
(4) C5 close to VUP pin of TDA8002C.
(5) C6 as close as possible to pins S1 and S2.
Fig.17 Application diagram (for more details, see "Application note AN98054" ).
33 pF
V DD
C9
100 nF
25
26
27
28
29
(2)
C3
CMDVCC
24
V CC
23
RST
22
CLK
21
IC1
AUX1
TDA8002CG
20
CV/TV
19
PRES
18
AUX2
17
16
15
14
13
12
(5)
C6
470 nF
(3)
(4)
C4
C5
100 nF
470 nF
CLK line may be shielded with respect to other lines.
Decoupling capacitors C7, C8 and C9 may be placed as close as possible to pin V
A good ground plane is recommended.
33 pF
14.745 MHz
30
31
32
AUX1UC
1
AUX2UC
2
CS
3
ALARM
4
CLKSEL
5
CLKDIV1
6
CLKDIV2
7
STROBE
8
11
10
9
XTAL2
XTAL1
C7
C8
100 nF
10 F
V DD
V DD
V CC
P1-0
1
40
P0-0
P1-1
2
39
P1-2
P0-1
3
38
P1-3
P0-2
4
37
P1-4
P0-3
5
36
P1-5
P0-4
6
35
P1-6
P0-5
7
34
P1-7
P0-6
8
33
RST
P0-7
9
32
EA
P3-0
10
31
IC2
P3-1
ALE
80C51
11
30
P3-2
PSEN
12
29
P3-3
P2-7
13
28
P3-4
P2-6
14
27
P3-5
P2-5
15
26
P3-6
P2-4
16
25
P3-7
P2-3
17
24
P2-2
18
23
P2-1
19
22
V SS
P2-0
20
21
FCE196
and V
.
DDA
DDD
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