beautypg.com

Application information, Smart card interface tda8001 – Philips TDA8001 User Manual

Page 19

background image

1996 Dec 12

19

Philips Semiconductors

Product specification

Smart card interface

TDA8001

APPLICATION INFORMATION

Fig.14 Application in a pay TV decoder.

(1) The capacitor should be placed as close as possible to the IC.

(2) If pin V

H

is not connected to 25 V, it should be connected to V

DD

.

handbook, full pagewidth

MGG831

10

µ

F

10

µ

F

C1

C2

C3

DETECT

RSTIN

I/O(

µ

C)

CMD7

CLKOUT2

GND2

OFF

VDD

VDD

VSUP

VH

RST

CVNC

12 V 25 V

ALARM

TDA8001

ALARM

DELAY

GND

GND1

XTAL

47 nF

14 MHz

C5

C6

C8

CARD

SOCKET

80C52

MICRO-

CONTROLLER

to 8805

micro-

controller

PORT

1

PORT

2

INT0

100 nF

(1)

XTAL1

I/O

CLK

RST

VCC

PRES

PRES

VPP

XTAL2

25 V

GND

12 V

+

5 V

C7

C4

100 nF

100 nF

47 nF

CMD3.5

CMDVCC

VPP15

VPP21

VPP12.5

1 k

(2)