30 oct. 2025 iso ISO/IEC 7816-2 Pin # Name Description 1 VCC +5 V or 3.3 V DC 2 Reset Card Reset (Optional) 3 CLOCK Card Clock 4 AS Application Specific 5 GND Ground 6 VPP +21 V DC [Programming], or NC 7 I/O In/out [Data] 8 AS Application Specific
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