ST8024 STMicroelectronics, ST8024 Datasheet
ST8024
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ST8024 Summary of contents
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... DDP 6 DESCRIPTION OR V The ST8024 is a complete low cost analog DD DDP interface for asynchronous 3V and 5V smart cards. It can be placed between the card and the microcontroller with few external components to perform functions. ST8024 is a direct replacement of ST8004. Main applications are: smartcard readers for Set Top identification, Pay TV ...
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... ST8024 Figure 1: Block Diagram www.DataSheet4U.com 2/23 ...
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... Crystal connection (leave this pin open if external clock is used) MCU data I/O line (internal 11kΩ pull-up resistor connected to V Non-inverting Receiver Input (internal 11kΩ pull-up resistor connected to V Non-inverting Receiver Input (internal 11kΩ pull-up resistor connected to V ST8024 ) ...
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... ST8024 Table 3: 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 card contact pins I/O, RST, AUX1, AUX2 and CLK n2 V Voltage on pins V n3 MIL-STD-883 class 3 on card contact pins, PRES and PRES ...
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... Min. Typ. 2.7 4 30pF 30pF; L 2.35 2.45 50 100 1.18 1.21 1. -25 to 85° 10MHz, unless otherwise noted. Typical Min. Typ. 2.2 5.2 5.8 3.8 4.1 5.2 5.7 3.5 3.9 ST8024 = 3.3V DDP Max. Unit 6.5 V 6.5 V 6.5 1.2 mA 1.5 0 200 100 2.55 V 150 mV 1. 0.25 mV µA 1 0.56 W Max. Unit 3.2 MHz 6 ...
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... ST8024 Table 7: Card Supply Voltage Characteristics (V unless otherwise noted. Typical values are to T Symbol Parameter C External Capacitance on pin VCC Card Supply Voltage CC (including ripple voltage) V Ripple voltage (Peak to Peak value) (RIPPLE) (P- Card Supply Current CC S Slew Rate www.DataSheet4U.com R Table 8: Crystal Connection (PINS XTAL1 AND XTAL2) (V unless otherwise noted ...
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... < - 40µA 0. -0.4 CC 1 10MHz, unless otherwise noted. XTAL Min. Typ ST8024 = 3.3V DDP Max. Unit 0 +0.1 CC 0 µA µA 600 13 kΩ 1.2 µs 0.1 µs mA Max. Unit +0 ...
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... ST8024 Table 12: Internal Oscillator (V Typical values are Symbol Parameter f Frequency of internal OSC(INT) oscillator Table 13: Reset Output To Card Reader (PIN RST) (V otherwise noted. Typical values are to T Symbol Parameter V Output Voltage in Inactive O(inactive) Mode I Output Current O(inactive) t RSTN to RST Delay D(RSTIN-RST) ...
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... 5V 10MHz, unless otherwise noted. XTAL Min. Typ. 90 -15 -70 -20 150 Min. Typ 140 ST8024 = 25°C) (Note a Max. Unit 0 +0 µA µ 25°C) a Max. Unit 0 kΩ Max. Unit 120 mA ...
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... ST8024 Figure 3: Definition of output and input transition times FUNCTIONAL DESCRIPTION Throughout this document it is assumed that the reader is familiar with ISO7816 terminology. POWER SUPPLY The supply pins for the IC are V interfacing with the system controller are referred to V controller. All card reader contacts remain inactive during power-on or power-off. ...
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... CLKDIV1 and CLKDIV2 (see Table 20). is overridden by the external voltage and by the hysteresis, therefore: th2 + V /2) bridge hys(ext /2) bridge hys(ext typ. hys(ext) is doubled to approximately 16 ms XTAL XTAL XTAL Frequency selection is made XTAL ST8024 11/23 ...
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... ST8024 Table 20: Clock frequency selection; (note 1) CLKDIV1 NOTE 1: The status of pins CLKDIV1 and CLKDIV2 must not be changed simultaneously; a delay minimum between changes is needed; the minimum duration of any state of CLK is eight periods of XTAL1. The frequency change is synchronous, which means that during transition no pulse is shorter than 45% of the smallest period, and that the first and last clock pulses about the instant of change have the correct width ...
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... LOW until this moment 7T). 1 and t ; CLK will start at this moment CMDVCC 1 where times the period RSTIN may be set HIGH in order to 5 INDICATION card present card not present ST8024 13/23 ...
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... ST8024 Figure 6: Activation sequence at t ACTIVE MODE www.DataSheet4U.com 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 non-volatile memory). DEACTIVATION SEQUENCE When a session is completed, the microcontroller sets the CMDVCC line HIGH ...
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... PRES or PRES and output OFF goes LOW. voltage accuracy, a 100 nF capacitor with an ESR < 100 mΩ should be tied and 100 nF capacitor with the same ESR should be tied to CGND near card CC DD too low or current from V DDP supply is detected by the supply supervisor, this ST8024 too high) UP 15/23 ...
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... ST8024 Figure 8: Behavior of OFF, CMDVCC, PRES and V Figure 9: Emergency deactivation sequence (card extraction) www.DataSheet4U.com 16/23 CC ...
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... 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 between CGND, C5 and the ground connection to the capacitor. (4) Mount one low ESR-type 100 nF capacitor close to pin V (5) Mount one low ESR-type 100 nF capacitor close to C1 contact (less than 100 mm from it) ...
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... ST8024 DIM. MIN 0.1 b 0. 17.70 E 10. 7.40 L 0.50 S www.DataSheet4U.com 18/23 SO-28 MECHANICAL DATA mm. TYP MAX. 2.65 0.3 0.49 0.32 0.5 45˚ (typ.) 18.10 10.65 1.27 16.51 7.60 1.27 ˚ (max.) 8 inch MIN. TYP. MAX. 0.104 0.004 0.012 0.014 0.019 0.009 0.012 0.020 0.697 0.713 0.393 0.419 0.050 0.650 0.291 0.300 0.020 0.050 0016023 ...
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... E1 4 0˚ L 0.45 www.DataSheet4U.com 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 4.48 0.65 BSC 8˚ 0.60 0.75 ST8024 inch MIN. TYP. MAX. 0.047 0.002 0.004 0.006 0.031 0.039 0.041 0.007 0.012 0.004 0.0079 0.378 0.382 0.386 0.244 0.252 0.260 0.169 0.173 0.176 0.0256 BSC 0˚ 0.018 0.024 ...
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... ST8024 DIM. MIN 12 10.8 Bo 18.2 Ko 2.9 Po 3.9 P 11.9 www.DataSheet4U.com 20/23 Tape & Reel SO-28 MECHANICAL DATA mm. TYP MAX. 330 13.2 30.4 11.0 18.4 3.1 4.1 12.1 inch MIN. TYP. MAX. 12.992 0.504 0.519 0.795 2.362 1.197 0.425 0.433 0.716 0.724 0.114 0.122 0.153 0.161 0.468 0.476 ...
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... DIM. MIN 12 6.8 Bo 10.1 Ko 1.7 Po 3.9 P 11.9 www.DataSheet4U.com Tape & Reel TSSOP28 MECHANICAL DATA mm. TYP MAX. 330 13.2 22.4 7 10.3 1.9 4.1 12.1 ST8024 inch MIN. TYP. MAX. 12.992 0.504 0.519 0.795 2.362 0.882 0.268 0.276 0.398 0.406 0.067 0.075 0.153 0.161 0.468 0.476 21/23 ...
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... ST8024 Table 22: Revision History Date 31-Jan-2005 www.DataSheet4U.com 22/23 Revision 1 First Release. Description of Changes ...
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