The ATA5790N AVR microcontroller (MCU) packs an AES-128 immobilizer protocol stack and a 3D LF receiver in a single 5 mm x 7 mm QFN38 package. Paired with the ATA5830 RF transmitter, the ATA5790N is suitable for high-volume uni- and bi-directional car key fobs for passive entry and passive start systems. Features include 16k Flash and 2k EEPROM, a listening mode current consumption of less than 4.5 mA, and an AES-128 cryptographic engine. Pricing starts at $1.80 each/10,000. ATMEL CORP., San Jose, CA. (408) 441-0311.
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