Microprogram control type data processor

Abstract

Abstract PURPOSE:To easily execute the fault analysis of the whole system by stopping all processors simultaneously or in any processing by utilizing a non-maskable interruption with the highest priority. CONSTITUTION:When a microprogram in a memory 41 included in a processor 11 executes a microinstruction for stopping the whole system, an interruption signal is generated from an interruption signal generating circuit 31 and transmitted to processors 12 to 1m. Interruption generating circuits 22 to 2m generate non-maskable interruptions(NMI) with the highest priority in respective processors to execute NMI microinstructions in respective memories 42 to 4m. The NMI microinstruction informs each processor information to a processor state informing area allocated to each processor and then stops the operation of each processor. In the case of executing the fault analysis of the whole system thereafter, the analysis can be easily executed.

Inventors

• 👤 Shinji Kobayashi
• 👤 信二 小林

Bibliographic Details