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Hackday Article: SiFive Releases Smaller, Lower Power RISC-V Cores

By June 25, 2018May 12th, 2021No Comments

Today, SiFive has released two new cores designed for the lower end of computing. This adds to the company’s existing portfolio of microcontrollers and SoCs based on the Open RISC-V ISA. Over the last two years, SiFive has introduced a number of cores based on the RISC-V ISA, an Open Architecture ISA that gives anyone to design and develop a microcontroller or microprocessor platform. These two new cores fill out the low-power end of SiFive’s core portfolio.
The two new cores included in the announcement are the SiFive E20 and E21, both meant for low-power applications, and according to SiFive presentations, they’re along the lines of an ARM Cortex-M0+ and ARM Cortex-M4. This is a core — it’s not a chip yet — but since the introduction of SiFive’s first microcontrollers, many companies have jumped on the RISC-V bandwagon. Western Digital, for example, has committed to using the RISC-V architecture in SoCs and as controllers for hard drive, SSDs, and NASes.
 
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