发明名称 CONTROL DEVICE AND OPTICAL DISK DEVICE USING IT
摘要 <p><P>PROBLEM TO BE SOLVED: To provide a control device operated based on program data, in which operation of a control circuit can be changed by independently rewriting data in a program memory contained in LSI by an easy and inexpensive method. <P>SOLUTION: The control device comprises a ROM, a SRAM, a means for writing data to the SRAM, a selection means selecting an output of the ROM or SARM according to an address supplied to the ROM and the SRAM, and a control means for outputting the address to the ROM and the SRAM to operate the output of the selection means as program data. <P>COPYRIGHT: (C)2007,JPO&INPIT</p>
申请公布号 JP2007220126(A) 申请公布日期 2007.08.30
申请号 JP20070041667 申请日期 2007.02.22
申请人 HITACHI LTD 发明人 ISHIKAWA YOSHINORI;TADA YUKINOBU;SOMA KAZUAKI;AOKI DAN
分类号 G05B19/02;G06F11/00;G11B7/085 主分类号 G05B19/02
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