| 摘要 |
A clock handoff circuit outputting data in synchronism with a first clock input thereto as output data in synchronism with a second clock, includes: a dual port RAM capable of performing writing and reading independently of each other; a write address control section controlling write addresses of the dual port RAM in which the input data is written; a blank address detecting section detecting blank addresses among the write addresses in which the input data is not written; and a read address conversion section converting the write addresses of the dual port RAM excluding the blank address into read addresses from which the output data are read out.
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