ST8024 データシートの表示（PDF） - STMicroelectronics

部品番号

コンポーネント説明

メーカー

ST8024

Smartcard interface

STMicroelectronics 

Pin configuration

2

Pin configuration

Figure 2. Pin connections

ST8024

Table 2.

Pin n°

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

Pin description

Symbol

Name and function

CLKDIV1 Control of CLK frequency

CLKDIV2

5V/3V

PGND

C1+

Control of CLK frequency

VCC selection pin

Power ground for step-up converter

External cap. for step-up converter

VDDP

C1-

VUP

PRES

PRES

I/O

AUX2

AUX1

CGND

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 11 kΩ pull-up resistor connected to VCC)

Auxiliary line to and from card (C8) (internal 11 kΩ pull-up resistor connected to VCC)

Auxiliary line to and from card (C4) (internal 11 kΩ pull-up resistor connected to VCC)

Ground for card signal (C5)

CLK

RST

VCC

VTHSEL

Clock to card (C3)

Card reset (C2)

Supply voltage for the card (C1)

Deactivation threshold selector pin (under voltage lock-out)

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