Semiconductor memory

Details Semiconductor memory Semiconductor memory

2011-05-03

2011-05-03

Alphonse, Fritz (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S702000, C714S718000

Reexamination Certificate

active

07937645

ABSTRACT:
A conversion control unit sets a converting function of a write data conversion unit or a read data conversion unit enabled or disabled for each controller. Accordingly, for a controller which needs original external data, the external data can be inputted and outputted, whereas for a controller which needs converted internal data, the internal data can be inputted and outputted. A data converting function of a conventional controller can be realized in a semiconductor memory, which can reduce the load on the controller. As a result, the performance of a system can be improved. A disabled controller which has no access right cannot read correct data (original data before conversion). Hence, the security of data written into the semiconductor memory can be protected.

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