Manual/User Guide
Page 125
... fixing the data output from the head IC to a certain level by Automatic Gain Control (AGC), the Read circuit converts the waveform digitally by the firmware in MEEPRML method as a total process through analog filter circuit, ADC circuit, FIR filter circuit and Viterbi detection circuit. (3) 32/34 RLL decoding circuit The...
... fixing the data output from the head IC to a certain level by Automatic Gain Control (AGC), the Read circuit converts the waveform digitally by the firmware in MEEPRML method as a total process through analog filter circuit, ADC circuit, FIR filter circuit and Viterbi detection circuit. (3) 32/34 RLL decoding circuit The...
Manual/User Guide
Page 129
...operation To read /write request, the MPU issues a seek command to the DSP to move . When the DSP receives this command, the DSP drives the voice coil motor, via the digital-to-analog converter and power amplifier, to move to the steady-state angular frequency. (2) Rotational speed ...to a target cylinder. This control is used depending on the specific data side. C141-E128-01EN 8 - 13 A predetermined target speed is done by firmware by an internal command from the MPU. (2) Seek operation When the host issues a data read or write data from a low rotational frequency up to ...
...operation To read /write request, the MPU issues a seek command to the DSP to move . When the DSP receives this command, the DSP drives the voice coil motor, via the digital-to-analog converter and power amplifier, to move to the steady-state angular frequency. (2) Rotational speed ...to a target cylinder. This control is used depending on the specific data side. C141-E128-01EN 8 - 13 A predetermined target speed is done by firmware by an internal command from the MPU. (2) Seek operation When the host issues a data read or write data from a low rotational frequency up to ...