subsequent information exchange between the card and the interface device.
connection and activation of the contacts by the interface device.The dialogue between the interface device and the the card shall be conducted through the consecutive operations: Please note that there are great variations in connector shape:
Input or Output for serial data (half-duplex) to the integrated circuit inside the card.ĪUX2, optionally used for USB interfaces and other uses. ISO/IEC 7816-3:2006 designates it SPU, for either standard or proprietary use, as input and/or output. This contact may be used to supply the voltage required to program or to erase the internal non-volatile memory. ISO/IEC 7816-3:1997 designated this as a programming voltage: an input for a higher voltage to program persistent memory (e.g., EEPROM). Provides the card with a clock signal, from which data communications timing is derivedĪUX1, optionally used for USB interfaces and other uses.
If internal reset is implemented, the voltage supply on Vcc is mandatory Either used itself (reset signal supplied from the interface device) or in combination with an interal reset control circuit (optional use by the card). Reset signal, used to reset the card's communications. +5 VDC power supply input (optional use by the card) Physical, electrical and other characteristic of Smart cards are described by the ISO/IEC 7810 and ISO/IEC 7816 series of standards. Smart cards can provide identification, authentication, data storage, strong security authentication for single sign-on (SSO) and application processing. Microprocessor cards contain volatile memory and microprocessor components. A smart card, chip card, or integrated circuit card (ICC) is any pocket-sized card with embedded integrated circuits.
Memory cards contain only non-volatile memory storage components, and perhaps dedicated security logic.