System on a Chip (SoC) - University of Calgary

System on a Chip (SoC) - University of Calgary

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?

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 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 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. 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

SoC Advantages Decreased power consumption Increased reliability Smaller board space

Can be cheaper when using ready to go components 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

TigerSHARC TigerSHARC contains several SoC components:

Execution memory Processing Core Peripheral interface: Link ports EBIU port JTAG port

Ext. flags, timers, DMA, etc 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.

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) ADSP-BF561 Dual Core Blackfin SoC

Dallas DS80C Network Microcontroller

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