From Friday, April 19th (11:00 PM CDT) through Saturday, April 20th (2:00 PM CDT), 2024, ni.com will undergo system upgrades that may result in temporary service interruption.
We appreciate your patience as we improve our online experience.
From Friday, April 19th (11:00 PM CDT) through Saturday, April 20th (2:00 PM CDT), 2024, ni.com will undergo system upgrades that may result in temporary service interruption.
We appreciate your patience as we improve our online experience.
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图 1
图 2
为了强行地让单循环定时循环(SCTL)使用新的分频时钟, 右键点击SCTL左侧的定时配置区, 然后选择 配置输入节点 如图3所示。 在配置定时循环对话框中, 选择选择时钟源 单选框并在可选时钟源下面点击刚才上一步中配置的分频时钟, 最后单击 确定。 如图4所示。 现在这个 SCTL 就会以刚才分频所得的时钟频率来运行了。
图 3
图 4
注意: 由于一些 FPGA 定时的了限制条件, 有些程序代码可能不能在高于 40Mhz 的时钟频率下进行编译。 编译报告摘要会显示一个错误告知该程序代码不能以目前这个分频来进行编译。
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