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Philips Semiconductors
Smart card interface
APPLICATION INFORMATION
5 V
handbook, full pagewidth
to 8805
micro-
controller
12 V
10
F
25 V
10
F
GND
(1) The capacitor should be placed as close as possible to the IC.
(2) If pin V
H
1996 Dec 12
V DD
RST
INT0
PORT
1
PORT
2
XTAL1
XTAL2
80C52
MICRO-
CONTROLLER
GND
is not connected to 25 V, it should be connected to V
Fig.14 Application in a pay TV decoder.
(1)
V SUP
CVNC
ALARM
ALARM
OFF
DETECT
I/O( C)
CMDVCC
VPP15
VPP12.5
VPP21
TDA8001
RSTIN
CMD7
CMD3.5
CLKOUT2
GND2
DELAY
GND1
47 nF
14 MHz
.
DD
19
100 nF
(2)
12 V 25 V
V DD
V H
PRES
PRES
100 nF
V CC
RST
CLK
V PP
100 nF
I/O
XTAL
1 k
47 nF
Product specification
TDA8001
C1
C2
C3
C4
C5
C6
C7
C8
CARD
SOCKET
MGG831
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