On 1/19/23 21:55, Bill Degnan via cctalk wrote: > My catweasel 4, which I assume is more or less the same thing works fine in > a p3 pentium system. Is the hreaseweazle totally different? >
Not really. I do the same as the Catweasel, but with a STM32F407 board running at 168MHz. The capture clock can go as high as 84MHz, so better than the Catweasel. I image to SD and also do histograms on the fly as I'm reading. It's what I've been saying for years--a cheap MCU can both emulate a floppy (the Gotek uses a lowly STM32F107) as well as obtain accurate transition samples. I've also got a STM32F767 board that one day, I hope to hook to the analog output of the read amplifiers. The ADC on that thing can run at a 45MHz sample clock. When I get round tuit... My board has about 8 MB of PSRAM; more than enough for a track's worth of analog samples. --Chuck
