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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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ST7SCR Datenblatt(PDF) 10 Page - STMicroelectronics |
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ST7SCR Datenblatt(HTML) 10 Page - STMicroelectronics |
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10 / 101 page  ST7SCR 10/101 PIN DESCRIPTION Figure 5. Smartcard Interface Reference Application - 24-Pin SO Package Note 1: C1 and C2 must be located close to the chip. Note 2: Refer to section 6 on page 21 & Section 14.4.3 Crystal Resonator Oscillators. LED0 DM DP USBVcc OSCIN OSCOUT VPP DIODE CRDCLK CRDRST CRDVCC PA6 CRDIO C8 CRDDET PA0 VDDA C4 GNDA PA1 NC GND VDD SELF VDD CL1 CL2 C4 C5 C6 VDD L1 C3 D1 R LED C1 C2 VDD D+ D- Mandatory values for the external components : L1 : 10 µH, 2 Ohm C4 : 4.7 µF,ESR 0.5 Ohm C3 : 1 nF Crystal 4.0 MHz, Impedance max100 Ohm Cl1, Cl2 2) D1: BAT42 SHOTTKY C5 : 470 pF C6 : 100 pF C2 : 100nF 1) C1 : 4.7 µF 1) R : 1.5kOhm |
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