| 摘要 |
PROBLEM TO BE SOLVED: To provide a memory access device that can modify the capability of a bus driver according to the setting of the access speed and the number of wait for a memory and halts unnecessary bus signal output at the instant of access termination for realizing optimal power consumption. SOLUTION: In the memory access device, as its constitution, a wait control part 101, output drivers 120 to 135 and an output driver control part 102 are provided, and the output drivers 120 to 135 are individually controlled by output driver control signals 150 to 153 from the output driver control part 102.
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