BB0702_datasheetSTwBX5GSM/GPRS Digital Baseband ControllerPRELIMINARY DATA■ GSM/DCS or GSM/PCS phase 2+ ■ GPRS class 10 ■ HR, FR, EFR, AMR vocoders ■ ARM7TDMITM core (up to 39MHz) ■ Proprietary DSP core (up to 78MHz) with all memory on-chip■ Flash interface with up to 256Mbits address space ■ Wide range of external interfacesD N RA A L FT U SEAPPLICATION■ Voice memo, multi-language recognition and conversation recording ■ Polyphonic melodies ■ I/O supply 1.88V ■ Advanced CMOS processprocessor is in charge of the Layer 2 and Layer 3 protocol software as well as the Man-Machine Interface. External SRAM memories are required. In idle mode, the core supply may be reduced to 1.35V (with 1.88V I/Os) ensuring a long battery life.■ IC core supply 1.35V minimum■ Idle consumption 200uA (core at 1.3……
猜您喜欢
评论