TDA8002ATSLASH3 datasheet(5/28 Pages) PHILIPS

5 / 28 page

1997 Nov 04

Philips Semiconductors

Product speciﬁcation

IC card interface

TDA8002

PINNING

SYMBOL

I/O

DESCRIPTION

TYPE A

TYPE B

TYPE G

XTAL1

I/O

crystal connection or input for external clock

XTAL2

I/O

crystal connection

I/OUC

I/O

data I/O line to and from microcontroller

AUX1UC

I/O

auxiliary line to and from microcontroller for synchronous

applications

AUX2UC

−

I/O

auxiliary line to and from microcontroller for synchronous

applications

ALARM

−

open drain NMOS reset output for microcontroller (active LOW)

ALARM

open drain PMOS reset output for microcontroller (active

HIGH)

CLKSEL

control input signal for CLK (LOW = XTAL oscillator;

HIGH = STROBE input)

CLKDIV1

control input with CLKDIV2 for choosing CLK frequency

CLKDIV2

control input with CLKDIV1 for choosing CLK frequency

STROBE

external clock input for synchronous applications

CLKOUT

clock output (see Table 1)

DGND1

supply

digital ground 1

AGND

supply

analog ground

I/O

capacitance connection for voltage doubler

VDDA

supply

analog supply voltage

I/O

capacitance connection for voltage doubler

VUP

I/O

output of voltage doubler (connect to 100 nF)

I/O

data I/O line to and from card

AUX2

−

I/O

auxiliary I/O line to and from card

PRES

active LOW card input presence contact

PRES

−

active HIGH card input presence contact

AUX1

I/O

auxiliary I/O line to and from card

CLK

clock to card output (C3) (see Table 1)

RST

card reset output (C2)

VCC

supply for card (C1) (decouple with 100 nF)

CMDVCC

active LOW start activation sequence input from

microcontroller

RSTIN

card reset input from microcontroller

OFF

open drain NMOS interrupt output to microcontroller (active

LOW)

MODE

operating mode selection input (HIGH = normal; LOW = sleep)

VDDD

−−

supply

digital supply voltage

DGND2

−−

supply

digital ground 2

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