WRITING APPARATUS, SEMICONDUCTOR MEMORY CARD, WRITING PROGURAM, AND WRITING METHOD

摘要

The SD memory cards that writer (101) detection sliding component (1) constitutes slide switch are in first position or the second position. Device driver (60) master computer (100) setting memory block in SD memory cards to can write state, when sliding part is at first position. On the other hand, when slide unit is located at the second position, the memory block of device driver is set as can be in the partial memory area other than write state. This part protection zone (25) is can be even when protected field (25) be set as can not write state.