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ATA5791_14 Datasheet, PDF (1/8 Pages) ATMEL Corporation – Embedded AVR Microcontroller Including RF Transmitter | |||
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ATA5791
Embedded AVR Microcontroller Including RF Transmitter
and Complete LF Functionality for Passive Entry/Passive
Start Keys
SUMMARY DATASHEET
This is a summary document.
The complete document is
available under NDA. For more
information, please contact
your local Atmel sales office.
Features
â System solution for immobilizer and passive entry/passive start (PEPS)
functionality
â Optional integrated open source immobilizer software stack supports automotive
immobilizer applications (CMMI certified)
â Integrated ultra-low power flash AVR® (8-bit) microcontroller
â 2112-byte EEPROM
â 32-bit unique device identification number
â Available in small 5x7 QFN 38-pin package
Contactless Transponder
â LF contactless transponder operation in passive and active modes
â Integrated codecs for enhanced LF communication range
â Ultra low-power AES-128 cryptographic engine for using immobilizer and PEPS
applications
â Access protected area for two 128-bit secret keys for device authentication
â Optional one 128-bit transport key for initial configuration
â LF receive data integrity check (CRC-4/CRC-8)
3D LF 125kHz LF Receiver
â 1.2mVpp wake-up sensitivity for all receiver channels
â Supply current for LF receiver active (4.7µA/listen mode)
â Logarithmic 8-bit digital RSSI for simultaneous field strength measurement of all
three receiver channels
â Two different identification (ID) registers
â Programmable data frame length of the ID
9241AS-RKE-02/12
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