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System on a Chip (SoC)

System on a Chip (SoC). An Overview David Cheung Christopher Shannon. Presentation Overview. What is a SoC? Implementation Options Design Advantages Disadvantages TigerSHARC Future of SoCs Tolapai example. What is a SoC?.

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System on a Chip (SoC)

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  1. System on a Chip (SoC) An Overview David Cheung Christopher Shannon

  2. Presentation Overview • What is a SoC? • Implementation Options • Design • Advantages • Disadvantages • TigerSHARC • Future of SoCs • Tolapai example

  3. What is a SoC? • Necessary components of a computer system embedded on a single silicon die. • SiP – System in a Package : multiple die in a single package. • SoP – System on a Package : multiple layers of discrete components

  4. A typical SoC will contain: • A processor • Onboard execution memory (SRAM) • Peripheral systems & interfaces connected to the processing core via a SoC bus • Many microcontrollers may contain FLASH memory for program storage

  5. How is a SoC implemented? • ASIC – Application Specific IC, very integrated, yet very expensive • FPGA – Cheaper to implement, field reprogrammable • Programmable Devices – Off the shelf devices, quick to program, cheap.

  6. SoC Design: • IP hardware blocks and software blocks developed in parallel • Hardware in CAD • Software in development environment • Emulated and verified on FPGA • Place and Route, created in silicon

  7. SoC Advantages • Decreased power consumption • Increased reliability • Smaller board space • Can be cheaper when using ready to go components

  8. SoC Disadvantages • Extremely high design cost (for the actual chip) • Large silicon space may be required • Component testing may be difficult • Prototyping may take longer • Intellectual property (IP) issues

  9. TigerSHARC • TigerSHARC contains several SoC components: • Execution memory • Processing Core • Peripheral interface: • Link ports • EBIU port • JTAG port • Ext. flags, timers, DMA, etc

  10. Where are SoCs Headed? • More tightly integrates SoCs will result in smaller electronic products that use less power, are faster, and more reliable • Nano scale robots for fighting human diseases, curing diseases.

  11. Intel Tolapai • The XScale replacement is not a pure processor, but rather a tightly integrated SoC • Does away with many supporting chips (North, South bridges as found in typical systems) • Aimed at mobile devices market (PDAs, cell phones, etc)

  12. ADSP-BF561 Dual Core Blackfin SoC

  13. Dallas DS80C Network Microcontroller

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