| 摘要 |
<p>PURPOSE:To select the display data with high reliability in accordance with the prescribed priority by using a reset signal generating circuit, plural flip-flops and a priority deciding circuit. CONSTITUTION:A priority deciding circuit 4 delivers a display data selection signal based on the prescribed priority information and the memory information showing whether a microprocessor is working normally or not. The 1st and 2nd processors set the flip-flops allocated to each processor in a cycle shorter than that of a reset signal (a). Then all flip-flops are reset by the signal (a). Thus the display data to be displayed by a processor having no correct working is suppressed by the circuit 4. In such a way, the display data of the highly reliable processors are displayed 6.</p> |
