ATA5795C_14 Datasheet, PDF (1/8 Pages) ATMEL Corporation – Embedded AVR Microcontroller Including RF Transmitter

ATA5795C
Embedded AVR Microcontroller Including RF Transmitter
and Immobilizer LF Functionality for Remote Keyless
Entry
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 remote keyless entry functionality
● Optional integrated open source immobilizer software stack supports automotive
immobilizer applications (CMMI certified)
● Integrated ultra-low power flash Atmel^® AVR^® (8-bit) microcontroller
● 2112-byte EEPROM
● 32-bit unique device identification number
● Available in small 5x5 QFN32 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 use of immobilizer and RKE
applications
● Access protected area for two 128-bit secret keys for device authentication
● Optional one 128-bit transport key for initial configuration
● LF receiver data integrity check (CRC-4/CRC-8)
RF Transmitter
● Fully integrated fractional-N PLL, VCO and loop filter covering 315MHz and
433MHz (software programmable)
● Output power programmable from –0.5 to +12.5dBm
● Supports ASK and FSK modulation with data rate up to 40Kbit/s
● Extended battery lifetime due to fast start-up time, low operating voltage and low
supply current
9182DS-RKE-04/14