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ST8024CTR Datasheet(PDF) 6 Page - STMicroelectronics

Part # ST8024CTR
Description  Smartcard interface
PDF  31 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST8024CTR Datasheet(HTML) 6 Page - STMicroelectronics

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Pin configuration
ST8024
6/31
2
Pin configuration
Figure 2.
Pin connections
Table 2.
Pin description
Pin n°
Symbol
Name and function
1
CLKDIV1
Control of CLK frequency
2
CLKDIV2
Control of CLK frequency
35V/3V
VCC selection pin
4
PGND
Power ground for step-up converter
5
C1+
External cap. for step-up converter
6VDDP
Power supply for step-up converter
7
C1-
External cap. step-up converter
8VUP
Output of step-up converter
9PRES
Card presence input (active low)
10
PRES
Card presence input (active high)
11
I/O
Data line to and from card (C7) (internal 11 k
Ω pull-up resistor connected to VCC)
12
AUX2
Auxiliary line to and from card (C8) (internal 11 k
Ω pull-up resistor connected to VCC)
13
AUX1
Auxiliary line to and from card (C4) (internal 11 k
Ω pull-up resistor connected to VCC)
14
CGND
Ground for card signal (C5)
15
CLK
Clock to card (C3)
16
RST
Card reset (C2)
17
VCC
Supply voltage for the card (C1)
18
VTHSEL
Deactivation threshold selector pin (under voltage lock-out)



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