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It'd be trivial to add 5v/3a since there's an entire secondary microcontroller on the board. Hook up the required 5.1k resistors and measure the voltages to see if you can draw more than 500mA. If that cortex-m0+ KL02 has the space an entire PD stack could be loaded but you'd really want input...

OK interesting. Would adding input dma be a huge lift? If it's display agnostic for output would make for a good hyper display backend

Ah this is very useful. Assuming I can get https://github.com/TeensyUser/doc/wiki/FLEXIO to write the streams to memory, the actual signal processing is pretty straightforward. If that parallel IO library comes out that'd be all I need.

Is input (externally clocked) supported by this library?

It's an option, as well as telling the ADC/Front End to sample at a lower rate. https://datasheets.maximintegrated.com/en/ds/MAX2771.pdf is the front end. It spits out up to 4 bits (2bit I, 2bit Q) every cycle. I have 2 of them I want to interface with. Could also cut that down to just 1bit of...

I have a use case which involves consuming 8x1bit samples @ up to 44MHz via an external clock (so 44MBps/352Mbps). I've got a teensy micromod lying around, and I'd like to do some fairly hefty DSP on it: running 8092FFT + some other processing is there any hope of having the Cortex M7 keep up at...

This rules and is exactly what I’ve been hunting for. Awesome work!