Telecoms, Datacoms, Wireless, IoT


Complete ISM reference design for wireless game controllers

18 May 2005 Telecoms, Datacoms, Wireless, IoT

Atmel is offering a complete ISM 2,4 GHz reference design primarily intended for wireless gaming applications. It combines Atmel's low-cost 2,4 GHz Smart RF transceiver and AVR Flash Microcontroller series, the ATmega48/88/168. Link ranges beyond 10 m are possible, allowing users to freely move and ignore radio-specific limitations such as link range, line of sight or battery power drain.

The design measures only 17 x 28 mm and is based on standard low-cost two-layer board material. Both the ATR2406 Industrial/Scientific/Medical frequency band (ISM) transceiver IC and the ATmega48/88/168, are clocked from a single crystal and operate at the same supply voltage, reducing system costs. Various components such as antenna, balun and filters are printed elements to ensure low bill of materials.

The company's proprietary Smart RF firmware implements an adaptive frequency hopping scheme, allowing robust and reliable data transmission even in crowded RF environments. The data rate enables throughput of up to 704 Kbps, while the over-the air data-rate is 1,152 Mbps. Burst-mode operation reduces the current drain of the batteries.



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