TDA8020 데이터 시트보기 (PDF) - Philips Electronics

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TDA8020

Dual smart card interface

Philips Electronics 

Philips Semiconductors

Dual IC card interface

BLOCK DIAGRAM

Product specification

TDA8020HL

handbook, full pagewidth

VDD

20

CDEL

30

SUPPLY SUPERVISOR

VOLTAGE REFERENCE

SAP

14

SAM SBP

19

15

DC - t o - DC

CONVERTER

SBM

17

16

13

VDDA

VUP

TDA8020HL

INTERNAL

OSCILLATOR

23

SAD0

24

SAD1

21

SCL

22

SDA

IRQ

25

I2C-BUS

AND

REGISTERS

29

CLKIN2

26

CLKIN1

27

I/O1uC

28

I/O2uC

VDDI

31

LEVEL

SHIFTERS

18

AGND

CLOCK

CIRCUITRY

SEQUENCER1

3

5

4

CARD1

DRIVERS 2

32

1

CLK1

RST1

VCC1

CGND1

I / O1

PRES1

CLOCK

CIRCUITRY

SEQUENCER2

9

11

10

CARD2

DRIVERS 8

6

7

CLK2

RST2

VCC2

CGND2

I / O2

PRES2

12

GND

FCE834

Fig.1 Block diagram.

2003 Nov 06

4

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