•  Three input pins for 125 kHz LF input signals•  High input detection sensitivity (3 mVPP, typical)•  Demodulated data, Carrier clock or RSSI output selection•  Input carrier frequency: 125 kHz, typical•  Input modulation frequency: 4 kHz, maximum•  8 internal Configuration registers•  Bidirectional transponder communication (LF talk back)•  Programmable antenna tuning capacitance (up to 63 pF, 1 pF/step)•  Low standby current: 5 μA (with 3 channels enabled), typical•  Low operating current: 15 μA (with 3 channels enabled), typical•  Serial Peripheral Interface (SPI) with internal MCU and external devices•  Supports Battery Back-up mode and batteryless operation with external circuits8/14-Pin Flash-Based, 8-Bit CMOS MicrocontrollersWith nanoWatt Technology

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