ATA5790N_14 Datasheet, PDF (1/8 Pages) ATMEL Corporation – Embedded AVR Microcontroller Including Complete LF

ATA5790N
Embedded AVR Microcontroller Including 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
● System solution for immobilizer and passive entry/passive start (PEPS)
functionality
● Optional integrated open source immobilizer software stack supports automotive
immobilizer applications (CMMI certified)
● Integrated ultra-low power flash AVR^® (8-bit) microcontroller
● 2112-byte EEPROM
● 32-bit unique device identification number
● Available in small 5x7 QFN 38-pin package
Contactless Transponder
● LF contactless transponder operation in passive and active modes
● Integrated codecs for enhanced LF communication range
● Ultra low-power AES-128 cryptographic engine for using immobilizer and PEPS
applications
● Access protected area for two 128-bit secret keys for device authentication
● Optional one 128-bit transport key for initial configuration
● LF receive data integrity check (CRC-4/CRC-8)
3D LF 125kHz LF Receiver
● 1.2mVpp wake-up sensitivity for all receiver channels
● Supply current for LF receiver active (4.7µA/listen mode)
● Logarithmic 8-bit digital RSSI for simultaneous field strength measurement of all
three receiver channels
● Two different identification (ID) registers
● Programmable data frame length of the ID
9238CS-RKE-06/14