This is a controller chip produced by Toshiba, often found in Toshiba TransMemory USB drives. It handles the communication between the computer and the NAND flash memory.
Plug your USB drive into a USB 2.0 port (avoid USB 3.0 ports for this process). tc58nc6623 sss6698ba mptool work
8GB-32GB USB 2.0 Flash Drives (e.g., Toshiba TransMemory, Kingston DataTraveler) This is a controller chip produced by Toshiba,
USB 2.0 High Speed (Max bandwidth capped at 480 Mbps) tc58nc6623 sss6698ba mptool work
This stands for Mass Production Tool . It is a low-level software utility used at the factory to format, partition, and "burn" firmware into the controller chip. Why You Might Need This