Peripheral unit controller

Details Peripheral unit controller Peripheral unit controller

1979-09-20

1984-01-24

Shaw, Gareth D.

Boots, shoes, and leggings

G06F 1516

Patent

active

044280440

ABSTRACT:
A synchronization scheme is used in a peripheral unit controller which consists of two duplicated units whose outputs are matched. In addition, each duplicated unit contains a pair of microprocessors whose outputs are also matched. The synchronization scheme allows each microprocessor to run its own diagnostics independently, and to synchronize itself with the other microprocessor of the pair. After the synchronization occurs in both microprocessor pairs, the duplicated units are synchronized. Synchronization is achieved by using a real-time clock and the interrupt structure of each microprocessor.

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