Multiple microcontroller hard disk drive control architecture

Details Multiple microcontroller hard disk drive control architecture Multiple microcontroller hard disk drive control architecture

1993-03-05

1993-11-09

Chun, Debra A.

Dynamic magnetic information storage or retrieval

Head

Core

360 7812, 364DIG2, 36492792, 36492799, 3649269, 36492693, 3649521, 36493701, G06F 1314

Patent

active

052610586

ABSTRACT:
A disk drive architecture controls the transfer of data between a host processor interface and a recording media that includes one or more disk surfaces for storing data. A low-level data controller controls the transfer of data between the disk surfaces and a data buffer. An interface controller controls the transfer of data between the host interface and the data buffer. An arbiter and buffer controller, responsive to data transfer requests from the low-level and interface controllers, arbitrates data storage and retrieval accesses of the data buffer. The low-level and interface controllers operate substantially independent of one another in performing their respective control operations. Consequently, data is transferred bi-directionally through the data buffer at the optimum timing for both controllers.

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