st8024ctr STMicroelectronics, st8024ctr Datasheet
st8024ctr
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st8024ctr Summary of contents
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... CLKDIV1 and CLKDIV2 signals) with synchronous frequency changes Order codes Part number Temperature range ST8024CDR - °C ST8024CTR - °C December 2006 and GND) DD ■ Non-inverted control of RST via pin RSTIN ■ ISO 7816, GSM11.11 and EMV (payment systems) compatibility ■ ...
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Contents Contents 1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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ST8024 1 Diagram Figure 1. Block diagram Diagram 3/30 ...
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Pin configuration 2 Pin configuration Figure 2. Pin connections Table 1. Pin description Pin N° Symbol 1 CLKDIV1 Control of CLK Frequency 2 CLKDIV2 Control of CLK Frequency 3 5V/ PGND Power Ground for Step-Up converter 5 ...
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ST8024 Table 1. Pin description Pin N° Symbol 20 RSTIN Card Reset Input from MCU 21 V Supply Voltage DD 22 GND Ground 23 OFF Interrupt to MCU (active Low) 24 XTAL1 Crystal or external clock input 25 XTAL2 Crystal ...
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Maximum ratings 3 Maximum ratings Table 2. Absolute maximum ratings Symbol V V Supply Voltage DD, DDP Voltage on pins XTAL1, XTAL2, 5V/3V, RSTIN, AUX2UC, V AUX1UC, I/OUC, CLKDIV1, CLKDIV2, PORADJ, CMDVCC, n1 PRES, PRES and OFF V Voltage on ...
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ST8024 4 Electrical characteristics Table 5. Electrical characteristics over recommended operating condition (V 5V 10MHz, unless otherwise noted. Typical values are to T XTAL Symbol Parameter V Supply voltage DD Supply voltage for the V DDP voltage doubler ...
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Electrical characteristics Table 6. Step-up Converter (V Typical values are to T Symbol Parameter f Clock Frequency CLK Threshold voltage for Step Converter to change to th(vd-vf) voltage follower Output Voltage on pin V V UP(av) (average value) ...
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ST8024 Table 8. Crystal connection (pins XTAL1 and XTAL2) (V unless otherwise noted. Typical values are to T Symbol Parameter External capacitance on C XTAL1,2 pins XTAIL1, XTAIL2 f Crystal Frequency XTAL Frequency applied on pin f XTAL1 XTAL1 High ...
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Electrical characteristics Table 10. Data lines to card reader (pins I/O, AUX1 AND AUX2 with integrated 11kΩ Pull-up resistor values are 25°C) A Symbol Parameter t Data Input transition time T(DI) t Data ...
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ST8024 Table 13. Reset output to card reader (pin RST) (V otherwise noted. Typical values are to T Symbol Parameter Output Voltage in Inactive V O(inactive) Mode I Output Current O(inactive) t RSTN to RST Delay D(RSTIN-RST) V Low Level ...
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Electrical characteristics Table 15. Control inputs (PINS CLKDIV1, CLKDIV2, CMDVCC, RSTIN AND 5V/ 3.3V DDP Note 5 25° Symbol Parameter V Input voltage LOW IL V Input voltage HIGH Input leakage ...
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ST8024 Table 19. Timing (V = 3.3V 25°C) A Symbol Parameter t Activation time ACT t Deactivation time DE Start of the windows for sending t 3 CLK to card End of the windows for ...
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Functional description 5 Functional description Throughout this document it is assumed that the reader is familiar with ISO7816 terminology. 5.1 Power supply The supply pins for the IC are V signals interfacing with the system controller are referred to V ...
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ST8024 Figure 4. Voltage supervisor 5.2.2 With an external divider on pin PORADJ If an external resistor bridge is connected to pin PORADJ (R1 and R2 in following occurs: - The internal threshold voltage V hysteresis, therefore ...
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Functional description Table 20. Clock frequency selection CLKDIV1 The status of pins CLKDIV1 and CLKDIV2 must not be changed simultaneously; a delay minimum between changes is needed; the minimum duration of any ...
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ST8024 5.5 Inactive mode After a Power-on reset, the circuit enters the inactive mode. A minimum number of circuits are active while waiting for the microcontroller to start a session: – All card contacts are inactive (approximately 200 Ω to ...
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Functional description Figure 5. Activation sequence using RSTIN and CMDVCC Figure 6. Activation sequence at t 18/30 3 ST8024 ...
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ST8024 5.7 Active mode When the activation sequence is completed, the ST8024 will be in its active mode. Data are exchanged between the card and the microcontroller via the I/O lines. The ST8024 is designed for cards without V internal ...
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Functional description must stay below the specified maximum current value. For reasons 100 nF capacitor with an ESR < 100 mΩ should be tied to CGND near to pin V nF capacitor with the same ESR should ...
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ST8024 Figure 9. Emergency deactivation sequence (card extraction) Functional description 21/30 ...
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Application 6 Application Figure 10. Application diagram (1) These capacitors must be of the low ESR-type and be placed near the IC (within 100 mm). (2) ST8024 and the microcontroller must use the same V (3) Make short, straight connections ...
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ST8024 7 Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. These packages have a Lead-free second level interconnect. The category of second level interconnect is marked on the package and on the ...
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Package mechanical data DIM. MIN 0.1 b 0. 17.70 E 10. 7.40 L 0.50 S 24/30 SO-28 MECHANICAL DATA mm. TYP MAX. 2.65 0.3 0.49 0.32 0.5 45˚ (typ.) 18.10 ...
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ST8024 DIM. MIN 0.05 A2 0.8 b 0.19 c 0.09 D 9.6 E 6 0˚ L 0.45 TSSOP28 MECHANICAL DATA mm. TYP MAX. 1.2 0.15 1 1.05 0.30 0.20 9.7 9.8 6.4 6.6 4.4 ...
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Package mechanical data DIM. MIN 12 10.8 Bo 18.2 Ko 2.9 Po 3.9 P 11.9 26/30 Tape & Reel SO-28 MECHANICAL DATA mm. TYP MAX. 330 13.2 30.4 11.0 18.4 3.1 4.1 ...
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ST8024 DIM. MIN 12 10.8 Bo 18.2 Ko 2.9 Po 3.9 P 11.9 Tape & Reel SO-28 MECHANICAL DATA mm. TYP MAX. 330 13.2 30.4 11.0 18.4 3.1 4.1 12.1 Package mechanical ...
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Package mechanical data Tape & Reel TSSOP28 MECHANICAL DATA DIM. MIN 12 6.8 Bo 10.1 Ko 1.7 Po 3.9 P 11.9 28/30 mm. TYP MAX. MIN. 330 13.2 0.504 0.795 2.362 22.4 ...
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ST8024 8 Revision history Table 22. Revision history Date Revision 18-Mar-2004 4 27-Jun-2006 5 13-Dec-2006 6 Pag. 10, fig. 4, RSTIN ==> CLK. Add package TSSOP28 and new template. The comment point 5 on page 22 has been removed. Revision ...
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