Baochip-1x: A Mostly-Open, 22nm SoC for High Assurance Applications
bunnie's blog [Unofficial]
March 10, 2026
One of my latest projects is the Baochip-1x, a mostly-open, full-custom silicon chip fabricated in TSMC 22nm, targeted at high assurance applications. It’s a security chip, but far more open than any other security chip; it’s also a general purpose microcontroller that fills a gap in between the Raspberry Pi RP2350 (found on the Pi […]
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