On Sun, Sep 8, 2024 at 10:53 AM Pete Soper via TriEmbed <triembed@triembed.org> wrote: > > Just about every central processor under the sun has "errata" (plural of > erratum) or "hardware bugs" when it first comes out. The RP2350 is continuing > this tradition. It appears that external pull downs may be a workaround. > > https://hackaday.com/2024/09/04/the-worsening-raspberry-pi-rp2350-e9-erratum-situation/ > > (In a former life I worked on compiler back ends and part of my job was to > recognize intermediate code patterns and generate safe equivalent machine > code sequences to steer around errata in the National 32K and Motorola 88K > chips. Some of you may recall the Intel integer divide bug that forced a > recall as an extreme example. With problems like this it was sometimes > possible to avoid the machine instruction patterns that triggered the boo boo. > > But this RP GPIO latch bug appears to be in peripheral hardware and > unavoidable in some circumstances. The question is how unusual is the Bus > Pirate use case? Conversely, how likely are most users to ever encounter > this? We should watch for a high S/N statement by the RP org in the near > future.) > Pete > And I ordered a Raspberry Pi Pico 2...
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