st8024l STMicroelectronics, st8024l Datasheet - Page 6

• Manufacturer Part Number: st8024l
• Description: Smartcard Interface
• Manufacturer: STMicroelectronics

Pin configuration
2
Figure 2.
Table 2.
6/33
CLKDIV1
CLKDIV2
Symbol
PGND
5V/3V
PRES
PRES
V
CLKDIV2
CLKDIV1
C1+
C1–
V
DDP
PGND
5V/3V
PRES
PRES
CGND
UP
V DDP
AUX2
AUX1
V
C1+
C1–
UP
I/O
SO-28/TSSOP-28
ST8024LCTR
ST8024LCDR
12
13
11
14
1
10
2
3
4
5
7
Control of CLK frequency
(internal 11 kΩ pull-up resistor connected to V
Control of CLK frequency
(internal 11 kΩ pull-down resistor connected to V
5 V or 3 V V
selects 5 V operation and logic low selects 3 V operation. If the 1.8V pin is
logic high, the 5V/3V pin is a “don't care” (see
V
Power ground for step-up converter
External cap. step-up converter
Power supply for step-up converter
External cap. step-up converter
Output of step-up converter
Card presence input (active low) - bonding option
Card presence input (active high)
6
8
9
Pin configuration
Pin connections
Pin description
CC
selection settings.)
15
27
22
17
16
28
26
25
24
23
21
19
18
20
CC
XTAL2
AUX2UC
I/OUC
XTAL1
GND
CLK
AUX1UC
OFF
CMDVCC
PORADJ
RSTIN
V
RST
V DD
selection for communication with the smartcard. Logic high
CC
Name and function
CLKDIV2
CLKDIV1
PGND
5V/3V
PRES
PRES
CGND
V DDP
AUX2
AUX1
V UP
C1+
C1–
I/O
Doc ID 17709 Rev 3
ST8024LACDR
12
13
11
14
1
10
2
3
4
5
7
6
8
9
SO-28
Table 24
DD
)
DD
15
27
22
17
16
28
26
25
24
23
21
19
18
20
)
for a description of the
AUX2UC
I/OUC
XTAL2
XTAL1
CLK
AUX1UC
OFF
GND
CMDVCC
RSTIN
1.8V
V
RST
V
CC
DD
CGND
PGND
PRES
V DDP
5V/3V
V UP
C1–
C1+
CLK
I/O
10
ST8024LTR
1
3
4
7
2
5
6
8
9
TSSOP-20
TSSOP-28
SO-28/
10
1
2
3
4
5
6
7
8
9
12
20
19
18
17
16
15
14
13
11
TSSOP-20
AM04929v1
ST8024L
I/OUC
XTAL1
OFF
GND
V DD
RSTIN
CMDVCC
RST
1.8V
V
CC
N.A
N.A
N.A
1
2
3
4
5
6
7