| 摘要 |
<p>PROBLEM TO BE SOLVED: To minimize the number of times of polling required for confirming writing and to shorten a time required for writing in a device writing device writing data in each address confirming finish of writing by polling operation. SOLUTION: In a device writing device writing data in each address confirming finish of writing by polling operation in which after it is confirmed that data is read out after writing data, it is compared with written data, and the both are coincident, a state signal outputted by the device indicates finish of writing, and performing writing operation of a next address is repeated, when polling operation of plural times are performed until finish of writing of one address is confirmed, finish of writing is confirmed surely by polling operation of the first time by inserting a waiting time into operation of the device writing device and delaying timing of polling operation of the device writing device.</p> |
