描述 Description

A fully integrated Ultra-low-power solution based on 8-bit AVR core and AES-128 Crypto Engine, the ATA5702 is ideal for Automotive Passive Entry/Start (PEPS), Automotive Remote Keyless Entry (RKE) or/and consumer access via any wearable applications. It features:

Ultra Low Power AVR Microcontroller with:32 kBytes user Flash2 kBytes EEPROM with secure conditional Access128 Bit AES Crypto Engine built in Hardware with secured and fast access19 GPI/Os2 SPI and 2 TWI Interfaces, Debug Wire3D Low Frequency Receiver:Frequency: 100 to 125 kHzIntegrated Resonance Frequency Tuning for 3 D AntennaIntegrated Quality Factor tuning for 3D AntennaProgrammable Q-Factor for the Receive ModeProgrammable Manchester violation codeProgrammable Receiver SensitivityUltra Low Power LF Polling ModeHigh RSSI accuracy for accurate distance measurementLow Frequency vector calculation unit to support Relay Attack CountermeasuresUHF TransmitterFrac-N PLLProgrammable Output PowerSupports 3 bands with a single Crystal of 24 MHz: 310-318 MHz, 418-477 Mhz and 868-956 MHzSupports ASK, FSK and GFSK modulationIntegrated loop Antenna Tuning80kbits/s datarate in buffered Manchester coded mode3 D Transponder3 D Transponder operation in parallel with or without batterySupport Biphase, Manchester modulations with programmable NRZ code insertion for code violationAutonomous Operating Codec for enhanced communication range: Manchester (Uplink) and BPLM/QPLM(downlink)Power Management unitComplex Power Management unit with low Power POR and Brown out detectionFast Voltage Monitor for battery controlProgrammable Battery chargingSupply Voltage: 2.1 V to 4.2VOperating Temperature: -40C to 85C+/-4kV HBM ESD at all pinsSmall 5x7 mm2 QFN Wettable flanks, 38 pins

NOTE: Hardware User Manual, Software User Manual and a wide assortment of application notes are available upon request.