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STW51000 Datasheet(PDF) 2 Page - STMicroelectronics |
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STW51000 Datasheet(HTML) 2 Page - STMicroelectronics |
2 / 8 page GreenSIDE - STW51000 2/8 4 Overview/Description GreenSIDE is a cost-effective, System-on-Chip device that targets applications in wireless infrastructure equipment. The device combines two quad-MAC ST140 DSP cores, a standard ARM926-EJS RISC pro- cessor core providing a total of 29000 Mops, 7500 Mips, 4800MMacs/s, 16Mb of embedded SRAM mem- ory, dedicated Turbo Decoding Engine (TDE) for Data error correction, and Convolutional Decoding Engine (CDE) for Voice error correction for 2.5G and 3G standards, with a complete set of high-perfor- mance peripherals. As a highly-integrated baseband modem solution, GreenSIDE offers a unique oppor- tunity to significantly reduce the overall cost/channel and cost/MIPS. The GreenSIDE Super Integrated DSP Engine is based on the ST Open Wireless Infrastructure Platform. This is an extendable solution comprising hardware, software and integration tools used to develop a cost effective Wireless Infrastructure silicon solutions in a very short time. The GreenSIDE ASSP is designed to be extremely flexible to suit all leading-edge wireless standards such as W-CDMA, CDMA2000, TD-SCDMA and EDGE. GreenSIDE is a step forward in the System Inte- gration race. It offers a true System-on-Chip solution, including multiple embedded cores, and infrastruc- ture application specific IP elements. Figure 2. GreenSIDE ASSP Block Diagram 5 Architecture Overview The GreenSIDE architecture is designed using ASIC Methodology. It employs re-usable embeddable cores as well as application specific IP blocks such as a Turbo Decoder Engine, Convolution Decoder En- gine, UTOPIA Interface, Multi-channel Serial Ports, Ethernet MAC, etc. The GreenSIDE Super Integrated DSP Engine includes two ST140 Digital Signal Processing CPUs. Each ST140 is a Quad-MAC DSP engine, able to process up to 24 complete W-CDMA modems for 12.2 kbps voice users. Having two ST140 instances provides the support of 48 above defined voice users process- ing capability. GreenSIDE also includes an ARM926 micro-controller, used as a master for the complete system. It al- lows the setup of peripherals within the system, and schedules the DSP task execution. ² GreenSIDE DMA Periph 2 x Ethernet MAC 2x MSP External Memory Interface VIC UTOPIA Core Periph System Control PLL 2 x 32-bit Timers 32-bit GPIO 1 x UARTs COPRO Convolutional Decoder Engine Turbo Decoder Engine Parallel Com. Interfaces Cross Bar Data Cache Program Cache ETM ST140 DSP ITC Timers UART Bus Switch ITC Timers UART Bus Switch DMA GMM 2 MB (SRAM) ARM 926 ST140 DSP |
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