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Atmel® Corporation announces its new full duplex RF transceiver ICs ATA5824 and ATA5823. These two devices are optimized for automotive keyless entry/passive entry go (PEG) and tire pressure monitoring (TPMS) systems. The ATA5824 and the ATA5823 provide full duplex functionality, which helps to secure RF systems against automotive theft and other unauthorized system access. In addition, the devices enable system cost reduction since in automotive applications, only one transceiver will be needed for car access plus TPMS functions instead of one transceiver for each system. The ATA5823 is designed for 313 to 316 MHz, whereas the ATA5824 operates at 433 to 435 MHz and 867 to 870 MHz. Both transceivers are pin- and functionally identical. They support data rates of 1 kBaud to 20 kBaud (FSK) and 1 kBaud to 10 kBaud (ASK) in Manchester, Bi-phase or other codes in transparent mode.

Atmel