3 ms·
MicroSD cards have a fully functional 32-bit microcontroller in them, it manages the write leveling and bad sector mitigation, but it's a fully fledged CPU othe
by gambiting 5y ago
MicroSD cards have a fully functional 32-bit microcontroller in them, it manages the write leveling and bad sector mitigation, but it's a fully fledged CPU otherwise.
- bayindirh 5y agoAnd, there's a couple of great write-ups about them [0][1]. [0]: https://www.bunniestudios.com/blog/?p=3554 https://www.bunniestudios.com/blog/?p=3554 [1]: https://i.blackhat.com/us-18/Wed-August-8/us-18-Valadon-Reversing-a-Japanese-Wireless-SD-Card-From-Zero-to-Code-Execution.pdf https://i.blackhat.com/us-18/Wed-August-8/us-18-Valadon-Reve...