摘要 |
Memory systems and memory control methods are described. According to one aspect, a memory system includes a plurality of memory cells individually configured to store data, program memory configured to store a plurality of first executable instructions which are ordered according to a first instruction sequence and a plurality of second executable instructions which are ordered according to a second instruction sequence, substitution circuitry configured to replace one of the first executable instructions with a substitute executable instruction, and a control unit configured to execute the first and second executable instructions to control reading and writing of the data with respect to the memory, wherein the control unit is configured to execute the first executable instructions according to the first instruction sequence, to execute the substitute executable instruction after the execution of the first executable instructions, and to execute the second executable instructions according to the second instruction sequence as a result of execution of the substitute executable instruction. |