ST8004CD Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

ST8004CD

SMARTCARD INTERFACE

STMicroelectronics 

PIN CONFIGURATION

ST8004

PIN DESCRIPTION

PlN N°

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

SYMBOL

CLKDIV1

CLKDIV2

5V/3V

PGND

C1+

VDDP

C1-

VUP

PRES

PRES

I/O

AUX2

AUX1

CGND

CLK

RST

VCC

VTHSEL

CMDVCC

RSTIN

VDD

GND

OFF

XTAL1

XTAL2

I/OUC

AUX1UC

AUX2UC

NAME AND FUNCTION

Control of CLK Frequency

Control of CLK Frequency

VCC selection pin.

Power Ground for Step-Up converter

External Cap. for Step-Up converter

Power Supply for Step-Up converter

External Cap. Step-Up converter

Output of Step-Up converter

Card Presence Input (Active Low)

Card Presence Input (Active High)

Data Line to and from card (C7) (internal 10kΩ pull-up resistor connected to VCC)

Auxiliary line to and from card (C8) (internal 10kΩ pull-up resistor connected to VCC)

Auxiliary line to and from card (C4) (internal 10kΩ pull-up resistor connected to VCC)

Ground for card signal (C5)

Clock to card (C3)

Card Reset (C2)

Supply Voltage for the card (C1)

Deactivation threshold selector pin (under voltage lock-out)

Start activation sequence input (Active Low)

Card Reset Input from MCU

Supply Voltage

Ground

Interrupt to MCU (active Low)

Crystal or external clock input

Crystal connection (leave this pin open if external clock is used)

Data Line to and from MCU (internal 10kΩ pull-up resistor connected to VDD)

Auxiliary line to and from MCU (internal 10kΩ pull-up resistor connected to VDD)

Auxiliary line to and from MCU (internal 10kΩ pull-up resistor connected to VDD)

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