| 摘要 |
The present invention relates to a solid-state image pickup device, a driving control method, and an image pickup apparatus that are capable of performing, in the case of changing the resolution of AD conversion, changing of only a pulse that needs to be changed, with a more simplified configuration. In a case where the mode of the resolution of AD conversion is a 9-bit mode, a decoder 102 operates only an H counter 104. In a case where the mode of the resolution of AD conversion is a 10-bit mode or a 12-bit mode, the decoder 102 stops a counting operation by the H counter 104 and starts counting by an idle counter 106 when the count value of the H counter 104 reaches a start count value stored in a register 101, and resumes counting by the H counter 104 when the count value of the idle counter 106 reaches the number of counts stored in the register 101. The present invention is applicable, for example, to an image sensor employing a column AD conversion method.
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