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SiFive RISC-V CPU cores to power NASA’s next spaceflight computer | Tobias Mann, The Register

By September 6, 2022September 10th, 2022No Comments

After more than two decades, the space agency’s PowerPC love affair appears to be at an end.

Chip designer SiFive said Tuesday its RISC-V-compatible CPU cores will power NASA’s just-announced High-Performance Spaceflight Computer (HPSC).

The computer system will form the backbone for future manned and unmanned missions, including those to the Moon and Mars. Its microprocessor will be developed under a three-year $50 million contract with SiFive and Microchip, the system-on-chip designer and home to the PIC microcontroller family.

The HPSC’s processor replaces the aging PowerPC-based BAE RAD750, which was introduced more than two decades ago, and has flown in countless spacecraft, including the Curiosity and Perseverance rovers and the James Web Space Telescope.

Read the full article. 

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