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6 pin Simcard proprietary connector layout
6 pin Simcard proprietary connector
at the card
8 pin SMARTCARD proprietary connector layout
8 pin SMARTCARD proprietary connector
at the card
A smart card, chip card, or integrated circuit card, is a pocket-sized card with embedded integrated circuits. Described by ISO 7816 standard. Used in cellular phones, pay TVs, ATM cards, etc.

There are two broad categories of ICCs. Memory cards contain only non-volatile memory storage components, and perhaps dedicated security logic. Microprocessor cards contain volatile memory and microprocessor components.

 

Pin Name Description
1 VCC +5 VDC power supply input (optional use by the card)
2 RESET Either used itself (reset signal supplied from the interface device) or in combination with an interal reset control circuit (optional use by the card). If internal reset is implemented, the voltage supply on Vcc is mandatory
3 CLOCK Clocking or timing signal (optional use by the card)
4 GND Ground (reference voltage)
5 Vpp Programing voltage input (optional). This contact may be used to supply the voltage required to program or to erase the internal non-volatile memory.
6 I/O Input or Output for serial data to the integrated circuit inside the card
7 I/O or N/C Input or Output for data or not connected
8 AS or N/C Application specific or not connected

The dialogue between the interface device and the the card shall be conducted through the consecutive operations:

Interfacing smart card isn't a simple task. Links in the following source(s) section leads to description of signals, timings, etc.

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