| 摘要 |
A driving circuit of the display unit includes a driving circuit including a read only memory and a rewritable nonvolatile memory. The rewritable nonvolatile memory stores display quality specifying information for specifying the display quality of a display panel connected to the driving circuit. The read only memory stores the display quality initial information used for initialization of the display quality of an optional display panel. By preferentially using the information stored in the rewritable nonvolatile memory, it is possible to drive the display panel at an optimum display quality in the normal state. Moreover, even when it is impossible to normally read data from the rewritable nonvolatile memory, it is possible to drive the display panel at an initial-state display quality by using the data in the read only memory.
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