Philips TDA8002C - page 15

1999 Oct 12 15

Philips Semiconductors Product speciﬁcation

IC card interface TDA8002C

Fault detection

The following fault conditions are monitored by the circuit:

•Short-circuit or high current on VCC

•Removing card during transaction

•VDD dropping

•Overheating.

When one or more of these faults are detected, the circuit

pulls the interrupt line OFF to its active LOW state and a

deactivation sequence is initiated. In the event that the

card is present the interrupt line OFF is set to HIGH state

when the microcontroller has reset the CMDVCC line

HIGH (after completion of the deactivation sequence).

In the event that the card is not present OFF remains

LOW.

handbook, full pagewidth

FCE480

I/O

CLK

RST

LOW

tde

OFF

PRES

VCC

t10

t11

t12

t13

t14

OSC_INT/64

Fig.14 Emergency deactivation sequence.

Contents

Main IC card interface TDA8002C Page 1999 Oct 12 4 BLOCK DIAGRAM TDA8002CG Fig.1 Block diagram. Page 1999 Oct 12 6 SYMBOL Fig.3 Pin configuration (TDA8002CT/B). Fig.2 Pin configuration (TDA8002CT/A). CT/C TYPE 1999 Oct 12 7 Fig.4 Pin configuration (TDA8002CT/C). Fig.5 Pin configuration (TDA8002CG). TDA8002CT/C Fig.4 Pin configuration (TDA8002CT/C). IC card interface TDA8002C 1999 Oct 12 9 Fig.6 ALARM as a function of VDD (tWpulse width minimum of 10 ms). Fig.7 Chip select. Page Page Page 1999 Oct 12 13 Fig.11 Activation sequence using CMDVCC, CLKDIV1 and CLKDIV2 signals to enable CLK. Fig.12 Activation sequence for synchronous application. Page Page Page Page Page Page Page Page 1999 Oct 12 22 80C51 TDA8002CT/C Fig.16 Application diagram. 1999 Oct 12 23 Application note AN98054 ). 1999 Oct 12 24 PACKAGE OUTLINES SO28: plastic small outline package; 28 leads; body width 7.5 mm SOT136-1 1999 Oct 12 25 LQFP32: plastic low profile quad flat package; 32 leads; body 5 x 5 x 1.4 mm SOT401-1 Data Handbook IC26; Integrated Circuit Packages Data Handbook IC26; Integrated Circuit Packages; Section: Packing Methods Philips Semiconductors a worldwide company Printed in The Netherlands