Programmable hardware timing was used in design of microsecond synchronizer based on ISA bus, after pulse generated by oscillator was divided frequency, it was sent to 8254 to count.
基于IS A总线的微秒级同步器采用可编程硬件定时，由晶振发出脉冲经分频后送入8254计数。
2
In laboratory 100% pulse noise propagating from outside to generator direction along the bus bar are recognized accurately.
实验室中识别沿母线向发电机方向传播的脉冲干扰的正确率达到了100%。
3
The methods and process of the measurement & calibration of ARINC429 bus emulator using digital oscillograph and pulse code generator are introduced.