If you elect to use a hardware board, you will observe that after reset
is asserted via its
push-button switch, each time the push-button switch for ONE_PULSE is pressed, the LED for TWO_PULSES will blink twice, verifying that CSM1 works as indicated in Waveform 9.7.
The 50 MHz shown in Figure 9.18 for the signal CLK is the frequency provided on an FPGA board such as a BASYS2 or NEXYS2 board. The frequency forSLOW_CLK is (50 106)/222 = 11.9209 Hz, or about 12 cycles per second. If this circuit is operated at a slower frequency
it may not function properly because the duration of the signal ONE_PULSE may not be
.. the period of SLOW_CLK. If the circuit is operated too fast, you will not be able to observe
blinking of the LED, which is provided by the signal TWO_PULSES.
If you elect to use a hardware board, you will observe that after reset
is asserted via its
push-button switch, each time the push-button switch for ONE_PULSE is pressed, the LED for TWO_PULSES will blink twice, verifying that CSM1 works as indicated in Waveform 9.7.
The 50 MHz shown in Figure 9.18 for the signal CLK is the frequency provided on an FPGA board such as a BASYS2 or NEXYS2 board. The frequency forSLOW_CLK is (50 106)/222 = 11.9209 Hz, or about 12 cycles per second. If this circuit is operated at a slower frequency
it may not function properly because the duration of the signal ONE_PULSE may not be
.. the period of SLOW_CLK. If the circuit is operated too fast, you will not be able to observe
blinking of the LED, which is provided by the signal TWO_PULSES.
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