| 摘要 |
PROBLEM TO BE SOLVED: To store data by efficiently using a storage area and to write data in an easy-to-analyze form by counting the word length of inputted data and writing the data to the memory with a specific count value. SOLUTION: The data width of one line of the memory 11 is 32 bits and the word length of the inputted serial data D0 is 40 bits. The word length of the inputted serial data D0 is counted by a word length counter 13 and a long- word length counter 20. When the count reaches 32, a coincidence circuit 15 generates a coincidence signal and data of 32-bit width are written in the 1st line of the memory 11. Once only 8 bits are counted from then, a long-word coincidence circuit 22 generates a coincidence signal. Consequently, data of 8-bit width are stored in the 2nd line of the memory 11. Data of 40-bit word length are stored in two lines of the memory 11.
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