TDA8005 Datasheet, PDF (24/32 Pages) NXP Semiconductors – Low-power smart card coupler

KEYBOARD
17
from
18
system
controller
19
20
21
RESET
22
23
24
25
26
RX
27
28
TX
29
30
MMI-EN
31
32
LED2
R7
5 V(logic)
1.5 Ω
1.5 Ω
LED1 ^R8
MMI-CLK
MMI-REQ
LIS
5V
(analog)
TDA8005G
100 nF
5 V(analog)
100 nF
64
63
62
4.7
nF ₁₀₀
61
nF
60
47 nF
59
58
57
56
55
54
53
52
51
5 V(logic)
50
49
100
kΩ
4.7
nF
NC8
NC7
NC6
NC5
C1
C2
C3
C4
NC1
NC2
NC3
NC4
C5
C6
C7
C8
CARD-READ-C702
K1
K2
MGC440
Fig.11 Possible GSM application.