发明名称 MEMORY WRITE METHOD AND OPTICAL TRANSCEIVER
摘要 <P>PROBLEM TO BE SOLVED: To provide a memory write method for reducing the frequency of writing to a nonvolatile memory (EEPROM or the like) in an optical transceiver in an adjustment process and the like before a product is shipped. <P>SOLUTION: According to the memory write method by the optical transceiver which includes an optical transmission sub-assembly, an optical reception sub-assembly, an EEPROM, a RAM, and a controller unit accessible to the EEPROM and the RAM, the controller unit stores adjustment data to the RAM (S13) in response to a write request of the adjustment data of the optical transceiver (S12) and writes the adjustment data stored to the RAM to the EEPROM together with a check code (S15) in response to a write request of the check code to the adjustment data (S14). <P>COPYRIGHT: (C)2010,JPO&INPIT
申请公布号 JP2010160679(A) 申请公布日期 2010.07.22
申请号 JP20090002329 申请日期 2009.01.08
申请人 SUMITOMO ELECTRIC IND LTD 发明人 TANAKA HIROMI
分类号 G06F12/16;H04B10/40;H04B10/50;H04B10/564;H04B10/60;H04B10/69 主分类号 G06F12/16
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