G - Physics – 06 – F
Patent
G - Physics
06
F
354/230.82
G06F 15/00 (2006.01) G06F 9/26 (2006.01)
Patent
CA 1127316
ABSTRACT OF THE DISCLOSURE A control unit contains a memory in which a program having command words is stored, a condition multiplexer with which it is determined whether a condition indicated in a command word exists, and an address unit in which the actual address of the command word to be targeted in the memory resides. For executing interruptions in the program sequencing at any given moment, a further multiplexer, a further address unit and at least one address register are provided, Upon occurrence of an interrupt request, the actual address is brought into the address register and the address of the next command word to be processed is supplied to the address unit by way of the further multiplexer. After termination of the processing of the interrupt request, the content of the address register is again applied to the address unit by means of the further multiplexer. The through-connecting of the further multiplexer is controlled by the further address unit.
321108
Aktiengesellschaft Siemens
Fetherstonhaugh & Co.
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