Контакт | Имя | Описание |
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 |