Subj : Re: New Pico2 To : All From : John Larkin Date : Mon Aug 12 2024 19:43:38 XPost: sci.electronics.design On Mon, 12 Aug 2024 18:41:59 +0200, Lasse Langwadt wrote: >On 8/11/24 23:07, John Larkin wrote: >> On Sun, 11 Aug 2024 14:04:36 -0700, John Larkin >> wrote: >> >>> On Sun, 11 Aug 2024 21:45:42 +0100, Andy Burns >>> wrote: >>> >>>> Surprised nobody has mentioned the Pico2 boards (based on RP2350A or >>>> RP2350B chips, instead of RP2040). >>>> >>>> 2x ARM cores plus 2x RISC-V cores (perm any 2 from 4) >>>> 150 MHz with FPU instead of 133MHz without >>>> lower power consumption >>>> more I/O pins (B model only?) >>>> >>>> I really ought to buy a couple for tinkering ... >>>> >>>> official boards not available yet, but 3rd party boards are, e.g. >>>> >>>> >>>> >>> >>> As of now, Digikey shows no stock on the Pico2 and doesn't recognize >>> the RP2350 chip as a product. Ditto Mouser. >>> >>> The fast floats look great. I wonder how fast they are. >> >> The RP2350 data sheet is 1347 pages! >> > >read the part on how the build in buck converter needs a custom inductor >with polarity marking to work, and tell there is something seriously >wrong with it The polarized inducor is strange. I'd expect that a small shielded inductor would work fine. It is interesting to have a switching regulator on a CPU chip... near a 12-bit ADC! The Pi designs struggle to save pennies and microwatts, which not all of us care about. --- SoupGate-Win32 v1.05 * Origin: Agency HUB, Dunedin - New Zealand | Fido<>Usenet Gateway (3:770/3) .