| 摘要 |
An expandable integrated circuit (IC) and an operation procedure thereof are provided. The expandable IC comprises the CPU and a RAM for writing data or program for correction into the CPU so that the manufacturer need not replace the ROM when the data or program in IC needs to be corrected or modified. Therefore, not only the replacement cost of ROM can be avoided but also the recordable or executable program can be effectively expanded and thereby providing great convenience to the manufacturer.
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