| 摘要 |
A method and circuit for updating a software register is disclosed, wherein the software register is updated using data received through a data I/O pad, and the updated data is read and transferred to the outside through the data I/O pad. The disclosed method of updating the software register includes the steps of receiving necessary data from a data I/O pad, writing the data received from the data I/O pad into the software register, thereby updating the software register, and reading the updated data from the software register, and transferring the data to the outside through the data I/O pad.
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