| 摘要 |
A general purpose register circuit that stores and outputs desired data as required by a program stored in a storage device, has a memory cell which is connected to a word line and a bit line for writing and reading of the data; and a multiplexer circuit which is connected to the bit line at an input thereof and to a control line for transmitting an output selection signal and selectively outputs one of the value of the data read from the memory cell and input thereto via the bit line and a fixed value, according to the output selection signal input thereto.
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