| 摘要 |
A write pulse generator is provided with an adjusting section which adjusts a width of write pulses to be generated, a plurality of registers in which control values of adjusting made by the adjusting section are set, a selecting section which selects a control value from the registers and supplies the control value to the adjusting section, and a timing generator. The registers are successively arranged in a plurality of stages so that the control values are successively copied to the registers in subsequent stages. The timing generator generates timings at which the control values are successively copied to the registers in the subsequent stages. The selecting section selects and supplies to the adjusting section the control value held by a register in a final stage.
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