Block diagram, Ic card interface tda8002c, Block diagram fig.1 block diagram – Philips TDA8002C User Manual

Page 4: Tda8002cg

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1999 Oct 12

4

Philips Semiconductors

Product specification

IC card interface

TDA8002C

BLOCK DIAGRAM

Fig.1 Block diagram.

handbook, full pagewidth

FCE246

100 nF

100 nF

470 nF

470 nF

100

nF

100

nF

I/O

TRANSCEIVER

I/O

TRANSCEIVER

I/O

TRANSCEIVER

THERMAL

PROTECTION

VCC

GENERATOR

RST

BUFFER

CLOCK

BUFFER

SEQUENCER

CLOCK

CIRCUITRY

LATCH

OSCILLATOR

INTERNAL OSCILLATOR

2.5 MHz

STEP-UP CONVERTER

INTERNAL

REFERENCE

VOLTAGE SENSE

SUPPLY

EN2

PVCC

EN5

EN4

EN3

CLK

EN1

CLKUP

ALARM

Vref

28

VDDD

13

VDDA

14

12

S1

S2

15

11

VUP

AGND

23

VCC

22

RST

18

PRES

21

CLK

20

17

16

AUX1

AUX2

I/O

10

29

DGND1

DGND2

32

2

1

I/OUC

AUX2UC

AUX1UC

31

30

9

19

27

24

25

8

5

7

6

XTAL2

XTAL1

CLKOUT

26

STROBE

CLKSEL

CLKDIV2

CLKDIV1

MODE

CMDVCC

RSTIN

OFF

CV/TV

3

4

CS

ALARM

TDA8002CG