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ST8024CDR Fiches technique(PDF) 4 Page - STMicroelectronics |
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ST8024CDR Fiches technique(HTML) 4 Page - STMicroelectronics |
4 / 30 page Pin configuration ST8024 4/30 2 Pin configuration Figure 2. Pin connections Table 1. Pin description Pin N° Symbol Name and function 1 CLKDIV1 Control of CLK Frequency 2 CLKDIV2 Control of CLK Frequency 35V/3V VCC selection pin. 4 PGND Power Ground for Step-Up converter 5 C1+ External Cap. for Step-Up converter 6VDDP Power Supply for Step-Up converter 7 C1- External Cap. Step-Up converter 8VUP Output of Step-Up converter 9PRES Card Presence Input (Active Low) 10 PRES Card Presence Input (Active High) 11 I/O Data Line to and from card (C7) (internal 11k Ω pull-up resistor connected to VCC) 12 AUX2 Auxiliary line to and from card (C8) (internal 11k Ω pull-up resistor connected to VCC) 13 AUX1 Auxiliary line to and from card (C4) (internal 11k Ω pull-up resistor connected to VCC) 14 CGND Ground for card signal (C5) 15 CLK Clock to card (C3) 16 RST Card Reset (C2) 17 VCC Supply Voltage for the card (C1) 18 VTHSEL Deactivation threshold selector pin (under voltage lock-out) 19 CMDVCC Start activation sequence input (Active Low) |
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