Silicon Wave and RF Micro Devices have introduced the SiW3500 UltimateBlue IC, a complete single-chip CMOS Bluetooth solution. The SiW3500 helps speed time to market and implements new features found in Bluetooth Specification Version 1.2, including faster connecting times, adaptive frequency hopping (AFH) for improved coexistence of Bluetooth with other 2,4 GHz devices, and extended SCO for improved voice transmissions. The highly integrated circuit combines a direct conversion radio modem with an ARM7TDMI processor core, Bluetooth baseband logic, and complete protocol software in ROM. The SiW3500 chip is a complete platform that can execute additional upper layer protocol stack and application software functions, including additional complex audio processing algorithms such as noise cancellation without a separate DSP.
An on-chip 50 Ω RF matching network requires no external matching component for direct connection to antenna. The device supports all standard mobile phone reference clock frequencies. An integrated 32-bit ARM7TDMI processor core enables an open software development platform facilitating the integration of upper layer stack and profiles. It comes in 96-pin 6 x 6 mm VFBGA package, and bumped die option.
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