| 摘要 |
PROBLEM TO BE SOLVED: To reduce occupancy area of hardware.SOLUTION: A selector includes: an interface which is connected at least to a clock signal line and a chip select signal line of output lines of a first device; a plurality of interfaces which are connected to chip select signal lines of each of a plurality of second devices which operate in synchronization with a clock signal of the first device; a measurement part which measures a clock frequency of the first device; and a selection part which selects the chip select signal line to be connected to any of the plurality of second devices according to the clock frequency of the first device, measured by the measurement part, and outputs the chip select signal from the first device to the selected chip select signal line. |
