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Dumb, but hopefully easy question... Can the external PSRAM on a Teensy 4.x be used as program memory, or just data? i.e. if I have a 2 MByte program, can it be loaded in PSRAM? Thanks!

Quick question- Just how fast is the PSRAM on a Teensy 4.1? Basically, I'm trying to figure out if it would be fast enough to store a framebuffer for VGA or not. Thanks!

I've had a not-completely original idea that I've been kicking around for a while... The Commodore 64 was designed to allow an alternate processor (specifically the Z80) to take over the bus and replace the 6510 running the computer. Here's a link to a schematic of the CP/M cartridge...

I recently bought a teensy 3.6. I'd like to use it to make a multi-effect system for guitar, because I've never owned one that I've really liked. (I like the effects built-in to most line 6 products, but I don't like the interface so much.) Feature wise, I'm looking to be able to do mostly...