描述 Description

A fully integrated Ultra- low-power solution based on 8-bit AVR core and AES-128 Crypto Engine, the ATA5700 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 Receiver SensitivityUltra Low Power LF Polling ModeHigh RSSI accuracy for accurate distance measurementLow Frequency vector calculation unit to support Relay Attack Countermeasures3 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.