TDA8020 View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

TDA8020

Dual smart card interface

Philips Electronics 

Philips Semiconductors

Dual IC card interface

Product specification

TDA8020HL

PINNING

SYMBOL

PRES1

CGND1

CLK1

VCC1

RST1

I/O2

PRES2

CGND2

CLK2

VCC2

RST2

GND

VUP

SAP

SBP

VDDA

SBM

AGND

SAM

VDD

SCL

SDA

SAD0

SAD1

IRQ

CLKIN1

I/O1uC

I/O2uC

CLKIN2

CDEL

VDDI

I/O1

PIN

TYPE

1I

2 supply

3O

4 supply

5O

6 I/O

7I

8 supply

9O

10 supply

11 O

12 supply

13 I/O

14 I/O

15 I/O

16 supply

17 I/O

18 supply

19 I/O

20 supply

21 I

22 I/O

23 I

24 I

25 O

26 I

27 I/O

28 I/O

29 I

30 I/O

31 I

32 I/O

DESCRIPTION

card 1 presence contact input (active HIGH)

ground connection output to card 1 (C5 contact)

clock output to card 1 (C3 contact)

supply voltage output to card 1 (C1 contact); decouple to pin CGND1 with

2 × 100 nF capacitors with ESR < 100 mΩ

reset output to card 1 (C2 contact)

I/O contact to card 2 (C7 contact); internal 15 kΩ pull-up resistance to

pin VCC2

card 2 presence contact input (active HIGH)

ground connection output to card 2 (C5 contact)

clock output to card 2 (C3 contact)

supply voltage output to card 2 (C1 contact); decouple to pin CGND2 with

2 × 100 nF capacitors with ESR < 100 mΩ

reset output to card 2 (C2 contact)

ground connection

output of DC-to-DC converter; a 220 nF capacitor with ESR < 100 mΩ must

be connected to pin AGND

capacitor connection for the DC-to-DC converter; a 220 nF capacitor with

ESR < 100 mΩ must be connected between pins SAP and SAM

capacitor connection for the DC-to-DC converter; a 220 nF capacitor with

ESR < 100 mΩ must be connected between pins SBP and SBM

analog supply voltage for the DC-to-DC converter

capacitor connection for the DC-to-DC converter; a 220 nF capacitor with

ESR < 100 mΩ must be connected between pins SBP and SBM

analog ground for the DC-to-DC converter

capacitor connection for the DC-to-DC converter; a 220 nF capacitor with

ESR < 100 mΩ must be connected between pins SAP and SAM

power supply voltage

serial clock input of I2C-bus (open drain)

serial data input/output of I2C-bus (open drain)

I2C-bus address selection input 0

I2C-bus address selection input 1

interrupt request output to host (open drain; active LOW)

external clock input for card 1

I/O connection to host for card 1; internal 11 kΩ pull-up resistor to VDDI

I/O connection to host for card 2; internal 11 kΩ pull-up resistor to VDDI

external clock input for card 2

delay capacitor connection for the voltage supervisor (1 ms per 2 nF)

interface signals reference supply voltage

I/O contact to card 1 (C7 contact); internal 14 kΩ pull-up resistor to VCC1

2003 Nov 06

5

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