二进制计数器型真格雷码计数器及其多路测时
True Gray Code Counter Based on Binary Counter and Its Application to Computer Measurement for Multi-channel Time-sequence
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摘要: 将二进制计数器和异或门组合在一起相当于准格雷码计数器；用二进制计数器驱动 T' 触发器，可以容易实现真正的格雷码计数器。用 CPLD 实现的格雷码计数器加+多锁存器结构，方便了多路时序的计算机测量，已成功地应用于一种控制程序的延时时间测量中。Abstract: The combination of binary counter and XOR gate is equal to a pseudo Gray code counter.The true Gray code counter can be done by binary counter driving T'-type flip-flop (T'-ff).By the structure of Gray code counter adding multi flip-latch with CPLD, the computer measurement for multi-channel time-sequence is implemented easily.The circuit was successful in applying in delay time measurement for control program.
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