TDA8024T Просмотр технического описания (PDF) - Philips Electronics

Номер в каталоге

Компоненты Описание

производитель

TDA8024T

IC card interface

Philips Electronics 

Philips Semiconductors

IC card interface

6 BLOCK DIAGRAM

Product specification

TDA8024

100 nF

100 nF

100 nF

VDD

21

VDD

SUPPLY

R1

PORADJ 18

(1)

INTERNAL

REFERENCE

Vref

R2

VOLTAGE SENSE

VDDP

S1

S2

6

7

5

DC/DC CONVERTER

INTERNAL OSCILLATOR

2.5 MHz

POWER_ON

EN1 CLKUP

OFF

23

RSTIN

20

CMDVCC 19

5V/3V

3

ALARM

CLKDIV1

1

CLKDIV2

2

HORSEQ

CLOCK

CIRCUITRY

EN2

PVCC

VCC

GENERATOR

EN5

SEQUENCER

EN4

RST

BUFFER

CLOCK

BUFFER

CLK

XTAL1

XTAL2

24

25 OSCILLATOR

EN3

THERMAL

PROTECTION

AUX1UC

27

AUX2UC

28

TDA8024

I/O

TRANSCEIVER

I/O

TRANSCEIVER

I/OUC

26

22

GND

I/O

TRANSCEIVER

4 PGND

8 VUP

100 nF

17 VCC

100 nF

14 CGND

16 RST

100 nF

15 CLK

10 PRES

9

PRES

13 AUX1

12 AUX2

11

I/O

mdb051

(1) Optional external resistor bridge. If this bridge is not required pin 18 should be connected to ground; see Section 8.2.2. Pin 18 is not connected

in the TDA8024AT.

Fig.1 Block diagram.

2004 July 12

5

Share Link: