2 ms·
You're right; it looks like SD cards implement a protocol on top of SPI. They don't just map the content to SPI addresses. So a flash chip won't look like an SD
by ajb 2y ago
You're right; it looks like SD cards implement a protocol on top of SPI. They don't just map the content to SPI addresses. So a flash chip won't look like an SD card to the OS
- Neywiny 2y agoRight. Unsure if it's possible that any SD controller has a secret SPI mode. This seems like a ridiculously niche product. Which is fine but just something to keep in the toolbelt.