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| GreenSIDE STW51000 SUPER INTEGRATED DSP ENGINE DATA BRIEF 1 Product Features Super Integrated SoC including 2 x ST140 quad MAC DSP engines running at 600MHz and 1 x ARM926 Micro Controller running at 300MHz Double Quad-MAC units Double Quad-ALU (32 and 40-bit) 4800 MMacs/s - 29000 Mops - 7500 Mips Convolutional Decoder Engine: - 256 x 12.2 kpbs AMR voice users - Programmable Code Parameters to support multi-standards (W-CDMA, TD-SCDMA, CDMA2000 and EDGE) Turbo Decoder Engine: - 28 x 384 kbps (8 iterations) - Programmable Code Parameters to support multi-standards (W-CDMA, TD-SCDMA and CDMA2000) - Includes CRC Processing - Hardware Interleaver with multi-standard support Two 32-channel DMA Engines 16Mbit Central Memory shared among DSPs, C and DMA Engines One 32-bit External Memory Controller One external Master Interface One 32-bit Communication Interface Two Multi-Channel Serial Ports Two Ethernet MAC One 16-bit UTOPIA Level 2 Interface 32-bit General Purpose I/Os Two 32-bit Timers Programmable PLL Clock Generator IEEE-1149.1 (JTAG) Development tools available Baseband modem SW deliverables available Figure 1. Package PBGA/HSP-569 Table 1. Order Codes Part Number STW51000AT Package PBGA/HSP-569 Conditional Instructions to reduce code size and overhead Built-in Coprocessor Interfaces for highly optimized Instruction Definition Compiler Friendly Instruction Set for high performance critical DSP Routines directly from C 8, 16, 32 and 40-bit Data Support Circular and bit-reversed Data addressing modes 32x16 bit Multiplier eases floating point to fixed point conversion 8-bit Overflow protection Bit Manipulation Normalization, Saturation Zero Overhead Loops 32Kbytes L1 Program Cache and 64Kbytes L1 Data Cache 3 ARM926 Features 32/16-bit RISC Architecture 32-bit ARM Instruction Set for maximum performance and flexibility 16-bit Thumb Instruction set for high code density Built-in Memory Management Unit for OS Support 32Kbytes L1 Program Cache 16KBytes L1 Data Cache 2 ST140 Features 32-bit Load/Store Architecture 16-bit, 32-bit or 128-bit (SLIW) Instruction Set for high performance / high code density trade off April 2005 This is preliminary information on a new product now in development. Details are subject to change without notice. Rev. 2 1/8 GreenSIDE - STW51000 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 processor core providing a total of 29000 Mops, 7500 Mips, 4800MMacs/s, 16Mb of embedded SRAM memory, 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-performance peripherals. As a highly-integrated baseband modem solution, GreenSIDE offers a unique opportunity 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 Integration race. It offers a true System-on-Chip solution, including multiple embedded cores, and infrastructure application specific IP elements. Figure 2. GreenSIDE ASSP Block Diagram ETM GreenSIDE Data Cache ARM 926 Program Cache Parallel Com. Interfaces UART Timers ITC UART Timers ITC Program Cache Program Cache ST140 Data Cache ST140 DMA DSP Bus Switch DSP Bus Switch VIC Debug Cross Bar Core Periph 1 x UARTs 32-bit GPIO System Control PLL 2 x 32-bit Timers COPRO Turbo Decoder Engine Convolutional Decoder Engine External Memory Interface DMA Periph 2 x Ethernet MAC 2x MSP UTOPIA GMM 2 MB (SRAM) 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 Engine, 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 processing capability. GreenSIDE also includes an ARM926 micro-controller, used as a master for the complete system. It allows the setup of peripherals within the system, and schedules the DSP task execution. 2/8 Data Cache GreenSIDE - STW51000 The GreenSIDE bus architecture is based on the Multi-Layer AHB (Transfer Cross Bar). This bus architecture provides a large amount of bandwidth in the system, and prevents the bus architecture from being a bottleneck. A 16Mbit memory provides a data exchange capability between CPUs. It allows storage of a collection of data coming from Fast Serial Ports or other DMA-based peripherals. 6 ST140 Overview The ST140 is a 32-bit MCU/16-bit DSP Load/Store architecture, which provides full DSP-MCU capability. This capability is hosted by a comprehensive 32-bit Instruction set plus a 16-bit Instruction set for high code density, and a specific instruction mode offering an increased level of parallelism suitable for high performance DSP operations. The ST140 architecture is designed for maximum code efficiency for both micro-controller code and vector DSP code, even when programmed with "C" Language. The 32 x 40-bit data registers correspond to "C" data types and allow high precision results. The 17 x 32-bit Pointer / Index registers provide easy data access and the 3 hardware loop controllers are managed using C. The ST140 Compiler checks for parallel arguments at the instruction level, checks blocks of code, determines critical paths and dependencies and re-orders instructions to benefit from the predication and to maximize speed. The ST140 is fully pipelined for maximum efficiency; while data accesses are access decoupled for minimum access latency and reduced need to use the Data Registers. ST140 includes a 32Kbytes Program and 64 Kbytes Data Cache for high performance execution. Table 2. ST140 Benchmarks Functions Real Block IFR Simple-Sample FIR Complex Block FIR LMS IIR Vector Dot Product Vector Add Vector Maximum FFT Radix-4 T/4 + 14 (T + 0.5) x N + 13 T/2 + 16 N/A N/4 + 11 N / 2 + 11 N/4+10 Formula (T+1) x N/4 + 24 N 40 1 40 1 1 40 40 40 256 5 2 B T 16 16 16 16 M Cycles 194 18 673 28 8 21 31 20 1380 N : Nb of Points - B: Nb of Sections - T: Nb of Taps - M: Nb of New Relative Maxima 7 ARM Sub-System Overview The GreenSIDE ASSP is based on the open ARM PrimeXSysTM platform built around the ARM926 core and includes a set of Peripherals and an AMBA Multi-Layer AHB system bus for maximized throughput. The ARM Sub System contains a set of standard Peripherals including Timers, Watchdog, 32-bit GPIOs, and Clock/System Controller. Beside the standard peripherals the ARM Sub system also contains a set of high-speed DMA Peripherals including Multi-Channel Serial Ports, UTOPIA interface, Turbo Decoder Engine and Convolutional Decoder Engine. Three DMA Engine manage all DMA operations over the System. An Interrupt Controller with 32 standard interrupts and 16-vectored interrupts provides a simple software interface to the interrupt system. For expansion purpose, two External Memory Controllers can address SRAM, Flash, ROM or I/O Devices. Those External Devices can be accessed by either DSPs or MCU. 3/8 GreenSIDE - STW51000 8 Wireless Development Library STMicroelectronics provides a complete set of libraries that implement complete Layer 1 of wireless standards such as EDGE, WCDMA FDD Release 4, 5, 6, TD-SCDMA, CDMA2000 1xEV-DO, 1xEV-DV, optimized for the GreenSIDE device and platform. 9 NODE B - GreenSIDE Implementation Examples Figure 3. W-CDMA Node-B (1-Carrier, 96 voice users) - 2 chip-based RF - PA - Analog Chip Rate Inner Modem / Outer Modem GreenSIDE MSP TDE CDE ARM ADC ST140 RX ASIC 926 Comm. Interface MSP Ethernet Memory ST140 Backplane UTOPIA RF GreenSIDE MSP TDE CDE ARM PA DAC ST140 TX ASIC 926 Ethernet 48 voice channels per GreenSIDE Figure 4. W-CDMA Node-B (1-Carrier, 128 voice users) - 3 chip-based RF - PA - Analog Inner Modem Outer Modem Comm. Interface MSP Memory ST140 UTOPIA Chip Rate Symbol Rate MSP TDE CDE ARM 926 Memory ST140 Comm. Interface ADC ST140 UTOPIA RF PA DAC MSP GreenSIDE Ethernet RX ASIC TDE MSP Comm. Interface CDE ARM 926 Memory ST140 4 TX ASIC MSP TDE CDE ST140 UTOPIA MSP Ethernet GreenSIDE Backplane ARM 926 Memory ST140 Comm. Interface MSP UTOPIA GreenSIDE Ethernet RX ASIC ST140 64 voice channels per GreenSIDE for inner modem Rx and Tx 128 voice channels per GreenSIDE for outer modem Rx and Tx 4/8 GreenSIDE - STW51000 10 Development Support STMicroelectronics provides a complete set of development tools around the GreenSIDE Super Integrated DSP Engine, to evaluate the performance, and to develop, debug, and integrate Application Code on the chip via an ARM/DSP environment, providing multi-Core Development/Debug capabilities. 10.1 Software Development Tools: Software Development Tools for ARM and ST140 include an Integrated Development Environment tool, the C/C++ Compiler, Assembler and Linker Code Generation, the Instruction Set Simulator and the OSaware Debugger application for Simulation and Emulation Debug. Beside standard Software Development Tools, RTOS dedicated tools for application-level debugging and analysis of embedded applications are available. It includes Runtime Debugging, System and Process information viewing, Manual Process Control, System Event Tracing and Monitoring, Memory Analysis and Message Search, CPU usage analysis and more. 10.2 Software Libraries GreenSIDE silicon comes along with a Chip Support Package, which includes low level driver software (to configure and use GreenSIDE peripherals), RTOS Support (commercial OS porting to GreenSIDE platform) and application specific libraries (ATM, TCP/IP, ...). 10.3 Hardware development tools In addition to Software Development Tools, a complete set of Hardware tools help GreenSIDE users to speed-up the development of new applications. The GreenSIDE Evaluation Board is used to evaluate GreenSIDE performance, as well as to develop Software Application. It offers a basic set of peripherals in addition to the GreenSIDE built-in peripherals. 5/8 GreenSIDE - STW51000 11 Package Information Figure 5. PBGA/HSP-569 (40x40x2.46mm) Mechanical Data & Package Dimensions mm DIM. MIN. A A1 A2 b D D1 D2 E E1 E2 e F H ddd eee fff 39.80 0.60 39.80 0.36 1.73 0.75 40.00 38.10 34.50 40.00 38.10 34.50 1.27 0.95 27.00 0.20 0.30 0.15 40.20 1.567 0.90 40.20 0.024 1.567 TYP. MAX. 2.46 0.142 0.068 0.029 1.575 1.500 1.358 1.575 1.500 1.358 0.05 0.037 1.062 0.008 0.012 0.006 1.583 0.035 1.583 MIN. TYP. MAX. 0.097 inch OUTLINE AND MECHANICAL DATA PBGA/HSp-569 (40x40x2.46mm) Heat Spreader Plastic Ball Grid Array B e D D1 BOTTOM VIEW F A F ddd C A A1 D2 E1 e A2 C SEATING PLANE (1) - The terminal A1 corner must be identified on the top surface by using a corner chamfer, ink or metallized markings, or other feature of package body or integral heatslug - A distinguishing feature is allowable on the bottom surface of the package to identify the terminal A1 corner. - Exact shape of each corner is optional. 7572866 A 6/8 E2 E H GreenSIDE - STW51000 12 Revision History Table 3. Revision History Date 22-mar-2005 04-apr-2005 Revision 1 2 First Issue. Updated the Section 1 first point "Micro Controller". Updated the Section 7 "PrimeXSysTM". Description of Changes 7/8 GreenSIDE - STW51000 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners (c) 2005 STMicroelectronics - All rights reserved STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com 8/8 |
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