st8024l STMicroelectronics, st8024l Datasheet - Page 3

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st8024l

Manufacturer Part Number
st8024l
Description
Smartcard Interface
Manufacturer
STMicroelectronics
Datasheet

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ST8024L
List of tables
Table 1.
Table 2.
Table 3.
Table 4.
Table 5.
Table 6.
Table 7.
Table 8.
Table 9.
Table 10.
Table 11.
Table 12.
Table 13.
Table 14.
Table 15.
Table 16.
Table 17.
Table 18.
Table 19.
Table 20.
Table 21.
Table 22.
Table 23.
Table 24.
Table 25.
Table 26.
Table 27.
Table 28.
Table 29.
Table 30.
Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Electrical characteristics over recommended operating condition . . . . . . . . . . . . . . . . . . . . 9
Step-up converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Card supply voltage characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Crystal connection (pins XTAL1 and XTAL2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Data lines (pins I/O, I/OUC, AUX1, AUX2, AUX1UC AND AUX2UC). . . . . . . . . . . . . . . . . 11
Data lines to card reader (pins I/O, AUX1 AND AUX2 with integrated
11 kΩ pull-up resistor to V
Data lines to microcontroller (pins I/OUC, AUX1UC and AUX2UC with integrated
11 kΩ pull-up resistor to V
Internal oscillator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Reset output to card reader (pin RST) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Clock output to card reader (pin CLK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Control inputs (pins CLKDIV1, CLKDIV2, CMDVCC, RSTIN, 5V/3V and PORADJ/1.8V) . 14
Card presence inputs (pins PRES and PRES) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Interrupt output (pin OFF NMOS drain with integrated 20 kΩ pull-up resistor to V
Protection and limitation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Clock frequency selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Card presence indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
V
SO-28 small outline, package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
TSSOP-20 package mechanical data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
TSSOP-28 package mechanical data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
SO-28 tape and reel mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
TSSOP-20 tape and reel mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
TSSOP-28 tape and reel mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
CC
selection settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
CC
DD
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Doc ID 17709 Rev 3
List of tables
DD
) . . . . 14
3/33

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