A data processing system is provided with a flash memory including a plurality of blocks and capable of erasing stored data collectively in units of block and a memory control unit for accessing the flash memory, the memory control unit having a control circuit for formatting the flash memory according...http://www.google.com/patents/US6411552?utm_source=gb-gplus-sharePatent US6411552 - Data processing system, block erasing type memory device and memory medium storing program for controlling memory device
