入门指南

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Datasheet under NDA

Please contact Product Marketing: Jedidi.kamouaa@Microchip.com


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 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 Manchester violation code
    • 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
  • UHF Transmitter
    • Frac-N PLL
    • Programmable Output Power
    • Supports 3 bands with a single Crystal of 24 MHz: 310-318 MHz, 418-477 Mhz and 868-956 MHz
    • Supports  ASK, FSK and GFSK modulation
    • Integrated loop Antenna Tuning
    • 80kbits/s datarate in buffered Manchester coded mode
  • 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

关键参数

参数

Flash (kBytes):

32 kBytes

CPU:

8-bit AVR

SPI:

2

Pin Count:

38

TWI (I2C):

2

Max I/O Pins:

19

Operating Voltage (Vcc):

2.1 to 4.2

Temp. Range (deg C):

-40 to 85

Max. Operating Freq. (MHz):

6 MHz

Temp. Sensor:

No