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ATA5700

Status: In Production

Overview
Documents
Development Environment
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Device Overview

Summary

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 Flash
    • 2 kBytes EEPROM with secure conditional Access
    • 128 Bit AES Crypto Engine built in Hardware with secured and fast access
    • 19 GPI/Os
    • 2 SPI and 2 TWI Interfaces, Debug Wire
  • 3D Low Frequency Receiver:
    • Frequency: 100 to 125 kHz
    • Integrated Resonance Frequency Tuning for 3 D Antenna
    • Integrated Quality Factor tuning for 3D Antenna
    • Programmable Q-Factor for the Receive Mode
    • Programmable Receiver Sensitivity
    • Ultra Low Power LF Polling Mode
    • High RSSI accuracy for accurate distance measurement
    • Low Frequency vector calculation unit to support Relay Attack Countermeasures
  • 3 D Transponder
    • 3 D Transponder operation in parallel with or without battery
    • Support Biphase, Manchester modulations with programmable NRZ code insertion for code violation
    • Autonomous Operating Codec for enhanced communication range: Manchester (Uplink) and BPLM/QPLM(downlink)
    • Power Management unit
  • Complex Power Management unit with low Power POR and Brown out detection
  • Fast Voltage Monitor for battery control
  • Programmable Battery charging
  • Supply Voltage: 2.1 V to 4.2V
  • Operating Temperature: -40C to 85C
  • +/-4kV HBM ESD at all pins
  • Small 5x7 mm2 QFN Wettable flanks, 38 pins

Parametrics
Name
Value
Temp# Range Min (deg C)
-40
Temp# Range Max (deg C)
85
Automotive Capable
Yes
Operating Voltage (Vcc)
2.0 to 4.2

Documents

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Development Environment

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