Disk drive comprising a motor driver IC employing a serial interface for initiating the transmission of real-time status data to a controller IC
US6560056B1 · kind B1 · utility
113Cited by
8References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 31, 2001 |
| Grant date | May 6, 2003 |
| Priority date | — |
| Expiry date | Dec 27, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B15/1816
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A disk drive is disclosed comprising a disk, a head actuated radially over the disk, a spindle motor for rotating the disk, a controller integrated circuit (IC) for generating spindle motor control data, and a motor driver IC. The motor driver IC comprises commutation circuitry for commutating the spindle motor, a status register for storing real-time status data associated with operation of the motor driver IC, and a serial interface for receiving the spindle motor control data from the controller IC and for initiating a transfer of the real-time status data to the controller IC.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.