1. System Overview The MT6205B is a highly integrated baseband processor optimized specially for multi-media enabled GSM terminal. Combining the 32-bit ARM7TDMITM RISC processor core, proprietary low-power digital signal processor, user interface, radio control, audio codec, baseband codec, and other GSM specific analog and digital hardware, the MT6205B completes the best single-chip solution for GSM phone with multi-media function. The typical application can be shown as Figure 1.