Control arrangement for magnetic bubble memories

Details Control arrangement for magnetic bubble memories Control arrangement for magnetic bubble memories

G - Physics

11

C

352/37.3

G11C 19/08 (2006.01) G06F 3/00 (2006.01) G06F 13/28 (2006.01)

Patent

CA 1183263

CONTROL ARRANGEMENT FOR MAGNETIC BUBBLE MEMORIES Abstract of the Disclosure An arrangement for incorporating a magnetic bubble memory (MBM) into a system having a system processor and a direct access storage (RAM) utilizes digital command words that represent basic MBM data operations. The processor controls the MBM indirectly by assembling strings of command words in RAM which are transferred to a control interface individually by a direct memory access device. The interface then translates the command words into a set of control signals that are applied to the drive system of the MBM. Each string of command words preferably corresponds to a complete memory read or write operation or a major portion thereof.

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