st8024l STMicroelectronics, st8024l Datasheet - Page 5

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

ST8024L
1
Figure 1.
1. To be used with the PORADJ pin if needed
2. Not available in the TSSOP-20L package
CLKDIV2
CLKDIV2
AUX2UC
CMDVCC
AUX1UC
XTAL2
OFF
RSTIN
XTAL1
V
5V/3V
I/OUC
DD
PORADJ/1.8V
R
R
1
2
(2)
(2)
(1)
(2)
(2)
(1)
(1)
Diagram
Block diagram
18
23
20
19
24
25
27
28
26
3
2
1
V
DD
21
100nF
GND
VOLTAGE SENSE
OSCILLATOR
ST8024L
CIRCUITRY
REFERENCE
22
INTERNAL
CLOCK
SUPPLY
HORSEQ
CLK
ALARM
V
Doc ID 17709 Rev 3
ref
SEQUENCER
POWER_ON
V
DDP
EN3
6
100nF
STEP-UP CONVERTER
INTERNAL OSCILLATOR
EN1
PROTECTION
THERMAL
2.5 MHz
CLKUP
TRANSCEIVER
TRANSCEIVER
TRANSCEIVER
EN5
EN2
EN4
PV
C1–
7
100nF
CC
I/O
I/O
I/O
GENERATOR
BUFFER
BUFFER
CLOCK
RST
V CC
C1+
5
11
13
12
16
15
17
10
8
14
4
9
V
V
PGND
UP
CC
Diagram
CS18100
AUX2
AUX1
CGND
PRES
PRES
I/O
RST
CLK
100nF
100nF
5/33
(2)
(2)
(2)