Baseband Processing
From 2G to 3G cellular and beyond
The baseband processor in a mobile handset IC includes modem processing and often voice processing. The ZSP architecture was designed with multiple features such as multiple ALU and MAC per-cycle, single-cycle Viterbi instruction, native complex arithmetic functions and the Z.Turbo™ accelerator. The mid-range ZSP400 can handle both 2G and 2.5G modem and voice processing with a single core, as opposed to having to employ two cores or hardwired logic using other DSP architectures in the same class. ZSP500 and beyond can perform 3G baseband processing such as in WCDMA, CDMA-EVDV and TD-SCDMA. The Z.Turbo™ accelerator enables power-efficient performance boost for special functions such as Turbo coding, Viterbi and Cholesky. Many wireless industry leaders, including Datang, UTStarcom, Huawei, Skyworks, and VIA Telecom have licensed the ZSP processor for mobile and cellular applications.
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Software-compatible DSP cores from ZSP200 to
Industry's best code density - EEMBC certified 
User-customizable Z.Turbo™ technology for 
Off-the-shelf voice codecs such as GSM-AMR, EFR, 
3rd-party support for Layer 1, 2, 3 software 
Amba AHB support for ease-of-integration with 
Unified ZSP+ARM RTOS and development tools 
Power-efficient baseband core 
Cost-efficient designs with compact instruction set 
Software-compatible and scalable architecture 
Customers can add their own market 
