G - Physics
06
F
G06F 12/02 (2006.01) G05B 15/02 (2006.01) G06F 12/16 (2006.01)
Patent
CA 2534255
A control apparatus includes an RAM capable of rewriting data; a data writing unit that writes a predetermined length of data output to the RAM in an arbitrary area of the RAM on the basis of an address signal for designating an address of the RAM and an effective area definition signal for defining an area effective in writing the predetermined length of data into the RAM; a judgment unit that judges whether the writing of the predetermined length of data into the RAM by the data writing unit is to be prohibited or not; and a rewriting prohibition unit that changes the effective area definition signal to a signal invalidating the writing of the whole predetermined length of data when the judgment unit makes a decision that the writing is to be prohibited:
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Kabushiki Kaisha Toshiba
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