FEATURES
I I I I I Integrated circuit smart card interface 3 V, 1.8 V or 1.2 V smart card supply Low power consumption in inactive mode Three protected, half duplex, bidirectional buffered input/output lines (C4, C7 and C8) VCC regulation: N 3 V, 1.8 V or optionally 1.2 V at ± 5 % using one 220 nF and one 470 nF low ESR multilayer ceramic capacitor. N Current pulse handling for pulses of 40 nAs at VCC = 3 V, 15 nAs at VCC = 1.8 V or VCC = 1.2 V up to 20 MHz Thermal and short-circuit protection for all card contacts Automatic activation and deactivation sequences triggered by short-circuit, card take-off, overheating, falling VDD(INTF) and VDD(INTREGD) Enhanced card-side ElectroStatic Discharge (ESD) protection of > 6 kV Clock signal using the internal oscillator or an external crystal (≤ 26 MHz) connected to pin XTAL1 Card clock generation up to 20 MHz with synchronous frequency changes of fxtal, 1⁄ f 1 1 2 xtal, ⁄4 fxtal or ⁄8 fxtal using pins CLKDIV1 and CLKDIV2 Non-inverted control...